阅读说明：本技术 超高垂直岩质边坡的多支撑悬挑脚手架结构 (Multi-support overhanging scaffold structure of ultrahigh vertical rock slope ) 是由 刘宝奎 夏志雄 张治平 付连著 高明显 杨俊斌 刘骏 张远荣 于 2021-08-16 设计创作，主要内容包括：本发明涉及超高岩质边坡脚手架搭建的技术领域,公开了超高垂直岩质边坡的多支撑悬挑脚手架结构,包括多个沿着超高岩质边坡的高度依序间隔布置的架体,架体包括悬挑梁,悬挑梁的内端嵌入在岩体中,悬挑梁的下方设有多个呈倾斜布置的斜撑杆,沿着背离岩体的方向,多个斜撑杆间隔平行布置；悬挑梁上设有脚手架,脚手架的底部嵌入固定在悬挑梁中,脚手架的内侧与岩体固定连接；工人在下部脚手架或岩质边坡上施工悬挑梁以及多个斜撑杆,在悬挑梁上逐步往上施工脚手架,脚手架的底部嵌入在悬挑梁中,自下而上依序施工多个架体,并且架体之间依序间隔布置,从而整个脚手架结构则处于悬挑状态布置在超高岩质边坡上,结构简单,施工方便。(The invention relates to the technical field of construction of ultrahigh rock slope scaffolds, and discloses a multi-support cantilever scaffold structure of an ultrahigh vertical rock slope, which comprises a plurality of frame bodies sequentially arranged at intervals along the height of the ultrahigh rock slope, wherein each frame body comprises a cantilever beam, the inner end of the cantilever beam is embedded into a rock mass, a plurality of inclined support rods which are obliquely arranged are arranged below the cantilever beam, and the plurality of inclined support rods are arranged at intervals in parallel along the direction deviating from the rock mass; a scaffold is arranged on the cantilever beam, the bottom of the scaffold is embedded and fixed in the cantilever beam, and the inner side of the scaffold is fixedly connected with a rock mass; the workman is under construction cantilever beam and a plurality of diagonal brace on lower part scaffold frame or rock matter side slope, progressively up construction scaffold frame on the cantilever beam, the bottom embedding of scaffold frame is in the cantilever beam, constructs a plurality of support bodies according to the preface from bottom to top to according to preface interval arrangement between the support body, thereby whole scaffold structure then is in the state of encorbelmenting and arranges on super high rock matter side slope, simple structure, construction convenience.)

1. A multi-support overhanging scaffold structure of an ultrahigh vertical rock slope is characterized by comprising a plurality of frame bodies which are sequentially arranged at intervals along the height of the ultrahigh rock slope;

the frame body comprises a cantilever beam which is horizontally arranged, the inner end of the cantilever beam is embedded in a rock body, and the outer end of the cantilever beam extends outwards away from the rock body; a plurality of inclined supporting rods which are obliquely arranged are arranged below the cantilever beam, the upper ends of the inclined supporting rods are butted at the bottom of the cantilever beam, and the lower ends of the inclined supporting rods are embedded in a rock body; a plurality of the inclined supporting rods are arranged in parallel at intervals along the direction departing from the rock body;

be equipped with the scaffold on the cantilever beam, the bottom embedding of scaffold is fixed in the cantilever beam, the scaffold has the inboard towards rock mass side slope, the inboard of scaffold is through linking wall spare and rock mass fixed connection.

2. The multi-support overhanging scaffold structure of an ultra-high vertical rock slope as claimed in claim 1, wherein a connecting plate fixed on the rock body is provided between a plurality of the diagonal braces, a through hole is provided in the connecting plate, and the lower end of the diagonal brace passes through the through hole; the connecting plate is provided with a lower ejector block, the lower ejector block is positioned at the lower side of the through hole, and the lower ejector block is connected with the inclined support rod from bottom to top.

3. The multi-support cantilever scaffold structure of ultra-high vertical rock slope as claimed in claim 2, wherein the bottom plate of the cantilever beam is connected with a reinforcing plate having a groove with an open bottom, the groove having a connection surface facing the length direction of the diagonal brace, the upper end of the diagonal brace is embedded and fixed in the groove and connected with the connection surface from bottom to top.

4. The multi-support cantilever scaffold structure of an ultra-high vertical rock slope as claimed in any one of claims 1 to 3, wherein the cantilever beam comprises a plurality of section steels and a plurality of parallel channel steels spaced apart from each other, the inner ends of the section steels are embedded in the rock mass, the outer ends of the section steels extend outwards away from the rock mass, the plurality of channel steels are spaced apart from each other along the length direction of the section steels, and the channel steels cross the plurality of section steels and are respectively fixedly connected with the plurality of section steels; the opening of channel-section steel up, and extend along channel-section steel length direction and arrange, the bottom embedding of scaffold frame is in the opening of channel-section steel.

5. The multi-support overhanging scaffold structure of an ultra-high vertical rock slope of claim 4, wherein the scaffold comprises a plurality of vertical rods arranged longitudinally and a plurality of small horizontal rods arranged horizontally, the inner ends of the small horizontal rods are fixedly connected with a rock mass through wall connecting pieces, and the outer ends of the small horizontal rods are arranged to extend away from the rock mass; the bottom embedding of pole setting is in the opening of channel-section steel, little horizontal pole respectively with a plurality of pole setting fixed connection.

6. The multi-support cantilever scaffold structure for ultra-high vertical rock slope as claimed in claim 5, wherein the inner end of the wall connecting member is embedded in the rock mass in a downward-inclined manner, the outer end of the wall connecting member is exposed outside the rock mass to form a connecting end, and the inner end of the small cross bar is fixedly connected with the connecting end of the wall connecting member.

7. The multi-support cantilever scaffold structure of ultra-high vertical rock slope of claim 4, wherein the cantilever beam is connected with a diagonal galvanized steel wire rope, the lower end of the diagonal galvanized steel wire rope is connected with the outer end of the section steel, and the upper end of the diagonal galvanized steel wire rope is fixedly connected with the rock mass.

8. The multi-support overhanging scaffold structure of an ultra-high vertical rock slope as claimed in claim 4, wherein the section steel has an insertion section inserted into the rock mass, the rock mass is provided with an insertion hole, a plurality of ring ribs are welded to the periphery of the insertion section, and a plurality of ring ribs are extended and arranged along the length direction of the insertion section at intervals; the insertion section and the ring ribs are inserted into the insertion holes, and concrete is filled in the insertion holes.

9. The multi-support overhanging scaffold structure of an ultra-high vertical rock slope as claimed in claim 8, wherein both sides of the section steel are respectively provided with an inner concave area, the ring rib is provided with a plurality of inner barbed strips, and the inner barbed strips are arranged along the circumference of the ring rib at intervals; the inner end of the inner barb strip is connected to the annular rib, the outer end of the inner barb strip extends into the concave area, and the inner barb strip deviates from the section steel in the direction from inside to outside along the inner barb strip.

10. The multi-support overhanging scaffold structure of an ultra-high vertical rock slope of claim 9, wherein the ring rib is provided with a plurality of outer barb strips, and the plurality of outer barb strips are arranged at intervals along the circumferential direction of the ring rib; the inner of outer barb strip is connected on the ring muscle, the outer end deviation shaped steel of outer barb strip extends outwards and arranges, and along outer barb strip from interior and outside direction, the outer barb strip is deviated shaped steel slope and is arranged, the outer end of outer barb strip is connected on the lateral wall of jack.

Technical Field

The invention relates to the technical field of construction of scaffolds for ultrahigh rock slopes, in particular to a multi-support overhanging scaffold structure for ultrahigh vertical rock slopes.

Background

The side slope is a slope formed naturally or artificially, is one of the most basic geographic environments in human process activities, and is also the most common process form in engineering construction.

The types of the side slopes are various, and in order to prevent the side slopes from overturning, sliding and the like, protection is generally required to be carried out on the side slopes so as to ensure safety; in general, a scaffold is erected on a side slope, and then a worker carries out protection construction on the scaffold.

In the prior art, for the ultra-high steep rock slope, especially the ultra-high steep rock slope with the height more than 50 meters, a scaffold cannot be erected on the ultra-high steep rock slope, so that the defects that the protection construction on the ultra-high steep rock slope is extremely difficult, even cannot be implemented and the like are caused.

Disclosure of Invention

The invention aims to provide a multi-support overhanging scaffold structure of an ultrahigh vertical rock slope and aims to solve the problem that a scaffold cannot be erected on the ultrahigh rock slope in the prior art.

The invention is realized in this way, the multi-support overhanging scaffold structure of the ultrahigh vertical rock slope comprises a plurality of frame bodies which are sequentially arranged at intervals along the height of the ultrahigh rock slope;

the frame body comprises a cantilever beam which is horizontally arranged, the inner end of the cantilever beam is embedded in a rock body, and the outer end of the cantilever beam extends outwards away from the rock body; a plurality of inclined supporting rods which are obliquely arranged are arranged below the cantilever beam, the upper ends of the inclined supporting rods are butted at the bottom of the cantilever beam, and the lower ends of the inclined supporting rods are embedded in a rock body; a plurality of the inclined supporting rods are arranged in parallel at intervals along the direction departing from the rock body;

be equipped with the scaffold on the cantilever beam, the bottom embedding of scaffold is fixed in the cantilever beam, the scaffold has the inboard towards rock mass side slope, the inboard of scaffold is through linking wall spare and rock mass fixed connection.

Furthermore, a connecting plate fixed on a rock body is arranged among the inclined supporting rods, a through hole is formed in the connecting plate, and the lower ends of the inclined supporting rods penetrate through the through hole; the connecting plate is provided with a lower ejector block, the lower ejector block is positioned at the lower side of the through hole, and the lower ejector block is connected with the inclined support rod from bottom to top.

Furthermore, a bottom plate of the cantilever beam is connected with a reinforcing plate, the reinforcing plate is provided with a groove with an opening at the bottom, the groove is provided with a connecting surface facing the length direction of the inclined supporting rod, and the upper end of the inclined supporting rod is embedded and fixed in the groove and is connected with the connecting surface from bottom to top.

Furthermore, the cantilever beam comprises a plurality of section steels and a plurality of channel steels arranged in parallel at intervals, the inner ends of the section steels are embedded into a rock mass, the outer ends of the section steels extend outwards away from the rock mass, the channel steels are arranged at intervals along the length direction of the section steels, and the channel steels cross the section steels and are respectively fixedly connected with the section steels; the opening of channel-section steel up, and extend along channel-section steel length direction and arrange, the bottom embedding of scaffold frame is in the opening of channel-section steel.

Furthermore, the scaffold comprises a plurality of vertical rods which are longitudinally arranged and a plurality of small cross rods which are horizontally arranged, the inner ends of the small cross rods are fixedly connected with a rock body through wall connecting pieces, and the outer ends of the small cross rods are arranged in a mode of deviating from the rock body in an extending mode; the bottom embedding of pole setting is in the opening of channel-section steel, little horizontal pole respectively with a plurality of pole setting fixed connection.

Furthermore, the inner end of the wall connecting piece is embedded into a rock body in a downward inclined manner, the outer end of the wall connecting piece is exposed outside the rock body to form a connecting end, and the inner end of the small cross rod is fixedly connected with the connecting end of the wall connecting piece.

Furthermore, an inclined galvanized steel wire rope is connected to the cantilever beam, the lower end of the inclined galvanized steel wire rope is connected with the outer end of the section steel, and the upper end of the inclined galvanized steel wire rope is fixedly connected with a rock body.

Further, the section steel is provided with an insertion section inserted into a rock body, an insertion hole is formed in the rock body, a plurality of annular ribs are welded to the periphery of the insertion section, and the annular ribs extend and are arranged along the length direction of the insertion section at intervals; the insertion section and the ring ribs are inserted into the insertion holes, and concrete is filled in the insertion holes.

Furthermore, both sides of the section steel are respectively provided with an inward concave area, the annular rib is provided with a plurality of inner barb strips, and the inner barb strips are arranged at intervals along the circumferential direction of the annular rib; the inner end of the inner barb strip is connected to the annular rib, the outer end of the inner barb strip extends into the concave area, and the inner barb strip deviates from the section steel in the direction from inside to outside along the inner barb strip.

Furthermore, a plurality of outer barb strips are arranged on the annular rib and are arranged at intervals along the circumferential direction of the annular rib; the inner of outer barb strip is connected on the ring muscle, the outer end deviation shaped steel of outer barb strip extends outwards and arranges, and along outer barb strip from interior and outside direction, the outer barb strip is deviated shaped steel slope and is arranged, the outer end of outer barb strip is connected on the lateral wall of jack.

Compared with the prior art, the multi-support overhanging scaffold structure of the ultrahigh vertical rock slope, provided by the invention, has the advantages that when the scaffold structure needs to be constructed on the ultrahigh rock slope, workers can directly construct an overhanging beam and a plurality of inclined support rods on a lower scaffold or the rock slope, then gradually construct the scaffold upwards on the overhanging beam, the bottom of the scaffold is embedded into the overhanging beam, so that the scaffold and the overhanging beam are stably connected, the inner side of the scaffold is fixedly connected with a rock mass, a plurality of frame bodies are sequentially constructed from bottom to top, and the frame bodies are sequentially arranged at intervals, so that the whole scaffold structure is arranged on the ultrahigh rock slope in an overhanging state, the structure is simple, and the construction is convenient.

Drawings

FIG. 1 is a schematic front view of a multi-support cantilever scaffold structure for an ultra-high vertical rock slope according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic top view of a cantilever beam provided by the present invention;

FIG. 5 is a schematic front view of the attachment ring and the grip tab provided by the present invention;

FIG. 6 is a schematic front view of the section steel and the ring rib provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-6, preferred embodiments of the present invention are shown.

The multi-support overhanging scaffold structure of the ultrahigh vertical rock slope comprises a plurality of support bodies arranged along the height of the ultrahigh rock slope at intervals according to the sequence, and the adjacent support bodies are arranged at intervals, so that the problem of interference between the adjacent support bodies can be avoided, the support bodies are arranged according to the sequence, and the requirement of arranging the scaffold structure on the ultrahigh rock slope can be met.

The frame body comprises a cantilever beam which is horizontally arranged, the inner end of the cantilever beam is embedded in the rock body 500, and the outer end of the cantilever beam extends outwards away from the rock body 500; a plurality of inclined supporting rods which are obliquely arranged are arranged below the cantilever beam, the upper ends of the inclined supporting rods are butted at the bottom of the cantilever beam, and the lower ends of the inclined supporting rods are embedded in the rock body 500; a plurality of inclined supporting rods are arranged in parallel at intervals along the direction departing from the rock body 500; the arrangement of the cantilever beam can be more stable by utilizing the support of the plurality of inclined supporting rods.

Be equipped with the scaffold on the cantilever beam, the bottom embedding of scaffold is fixed in the cantilever beam, and the scaffold has the inboard towards rock slope, the inboard and the rock mass 500 fixed connection of scaffold. In this way, the scaffolding, the cantilever beam and the rock mass 500 form an integrated stable structure.

Above-mentioned many supports of perpendicular rock matter side slope of superelevation that provide scaffold structure of encorbelmenting, when needs construction scaffold structure on the rock matter side slope of superelevation, the workman can be directly be under construction cantilever beam and a plurality of diagonal brace on lower scaffold or rock matter side slope, then progressively up construction scaffold on the cantilever beam, the bottom embedding of scaffold is in the cantilever beam, it is firm to make to be connected between scaffold and the cantilever beam, the inboard and rock mass 500 fixed connection of scaffold, construct a plurality of support bodies according to the preface from bottom to top, and according to preface interval arrangement between the support body, thereby whole scaffold structure then is in the state of encorbelmenting and arranges on the rock matter side slope of superelevation, moreover, the steam generator is simple in structure, and convenient construction.

A connecting plate 102 fixed on the rock body 500 is arranged among the plurality of diagonal braces, a through hole is arranged in the connecting plate 102, and the lower end of each diagonal brace penetrates through the through hole; the connecting plate 102 is provided with a lower top block 110, and the lower top block 110 is positioned at the lower side of the through hole and is connected with an inclined stay bar from bottom to top.

Utilize the lower kicking block 110 of connecting plate 102, can be connecting the diagonal brace from bottom to top, strengthen the support intensity of diagonal brace, and through connecting plate 102, connect a plurality of diagonal braces as an organic whole structure, strengthen the whole support ability of a plurality of diagonal braces.

The bottom plate of cantilever beam is connected with gusset plate 103, and gusset plate 103 has bottom open-ended recess, and the recess has the connection face towards the length direction of diagonal brace, and the upper end embedding of diagonal brace is fixed in the recess, and is connecting the face from bottom to top.

The bottom of the cantilever beam is connected into a whole through the reinforcing plate 103, and then the upper end of the inclined strut is embedded into the groove, so that the inclined strut is conveniently connected with the bottom of the cantilever beam, and moreover, the upper end of the inclined strut is connected with the connecting surface, so that the transmission of the supporting force between the inclined strut and the cantilever beam is more stable.

Along the direction from top to bottom, the plurality of inclined supporting rods comprise upper supporting rods 101 and lower supporting rods 100, and a buffer structure is arranged between the upper supporting rods 101 and the lower supporting rods 100; the buffer structure comprises a middle part 107, a plurality of upper supporting bars 105 extend upwards from the middle part 107, the upper ends of the upper supporting bars 105 are butted with the upper supporting bars 101, a plurality of lower supporting bars 106 extend downwards from the middle part 107, and the lower ends of the lower supporting bars 106 are butted with the lower supporting bars 100.

In this way, by the buffering function of the intermediate piece 107, when the cantilever beam is subjected to a large pressure or a vibration pressure, the inclined strut receives the pressure, and at this time, since the intermediate piece 107 is disposed between the upper strut 101 and the lower strut 100, and the intermediate piece 107 is connected to the upper strut 101 through the upper stay 105 and connected to the lower strut 100 through the lower stay 106, a buffering transmission is formed between the upper strut 101 and the lower strut 100, and a buffering whole is also formed between the upper strut 101 and the lower strut 100.

The middle part 107 is strip-shaped, and the middle part 107 and the diagonal brace are arranged in parallel, so that the length range of the middle part 107 can be enlarged; the bottom of the middle part of the upper stay 101 is provided with an upper concave section 104 which is concave upwards, and the upper end of the upper stay 105 is butted in the upper concave section 104 from bottom to top. When the cantilever beam bears the increased pressure, at the moment, the upper concave section 104 of the upper support rod 101 is appropriately deformed, at the moment, the deformation force is transmitted to the intermediate part 107 through the upper support bar 105, then transmitted to the lower support bar 106 and finally transmitted to the lower support rod 100, and thus, the deformation of the upper support rod 101 can be better buffered by the structures of the buffer structure and the lower support rod 100, so that the shock absorption effect can be achieved, and the shock absorption effect can also be achieved.

The depth of the upper stay 101 embedded in the rock body 500 is less than the depth of the lower stay 100 embedded in the rock body 500, so that the flexibility of the upper stay 101 is greater than that of the lower stay 100, when the cantilever beam bears larger pressure or bears vibration, the upper stay 101 can be firstly deformed properly, the deformation force is buffered through the middle buffer structure and is transmitted to the lower stay 100, the influence of vibration is eliminated through gradual transmission and buffering, and the rigid deformation caused by larger pressure is reduced.

Cantilever beam includes a plurality of parallel interval arrangement's channel-section steel 202 and a plurality of shaped steel 201, and the inner embedding of shaped steel 201 is in rock mass 500, and the outer end of shaped steel 201 deviates from rock mass 500 and outwards extends, and like this, shaped steel 201 is then to be the shape of encorbelmenting and arranges. The channel steel 202 is arranged at intervals along the length direction of the section steel 201, and the channel steel 202 spans the section steel 201 and is fixedly connected with the section steel 201; the channel 202 has an upwardly facing opening 203 and extends along the length of the channel 202, with the bottom of the scaffolding being embedded in the opening 203 of the channel 202.

Like this, the bottom of scaffold can be inlayed in the opening 203 of channel-section steel 202 for be connected between scaffold and the cantilever beam more firm, more connect as an organic whole, and also be convenient for the fixed connection between scaffold and the cantilever beam.

The scaffold comprises a plurality of vertical rods 301 and a plurality of small cross rods 302, the vertical rods 301 are arranged longitudinally, the small cross rods 302 are arranged horizontally, the inner ends of the small cross rods 302 are fixedly connected with a rock body 500 through wall connecting pieces, and the outer ends of the small cross rods 302 are arranged in a mode of extending away from the rock body 500; the bottom of the upright 301 is embedded in the opening 203 of the channel steel 202, and the small cross bars 302 are respectively fixedly connected with the upright 301.

The arrangement quantity and mode of the upright rods 301 and the small cross rods 302 can be determined according to actual needs, however, each small cross rod 302 needs to be simultaneously connected with a plurality of upright rods 301, the upright rods 301 can be arranged in a plurality of groups, the upright rods in the groups are respectively arranged at intervals, each upright rod group comprises a plurality of upright rods 301, the upright rods 301 in each group are arranged at intervals along the length direction of the small cross rods 302, and thus, each small cross rod 302 is correspondingly connected with the upright rods 301 in each group. A plurality of small crossbars 302 are arranged at intervals along the height direction of the vertical rod 301, so that the vertical rod 301 and the small crossbars 302 are combined to form a scaffold, and workers can directly perform construction and the like on the scaffold.

The embedding has even wall spare on the rock mass 500, and the inner of little horizontal pole 302 is with even wall spare fixed connection, and the wall spare embedding is in rock mass 500 earlier, with the inner of little horizontal pole 302 and even wall spare fixed connection again, the operation of being convenient for also can realize being connected little horizontal pole 302 and rock mass 500 effect as an organic whole.

The inner end of the wall connecting piece is embedded into the rock body 500 in a downward inclined manner, the outer end of the wall connecting piece is exposed outside the rock body 500 to form a connecting end, and the inner end of the small cross rod 302 is fixedly connected with the connecting end of the wall connecting piece. Thus, after the inner end of the small cross rod 302 is fixedly connected with the connecting end of the wall connecting piece, the inner end of the wall connecting piece is arranged obliquely downwards, so that the large pulling force of the small cross rod 302 can be borne, and the small cross rod 302 and the rock body 500 are ensured to be connected stably.

In this embodiment, the connecting end has a connecting ring 601 connected to the rock body 500, two opposite clamping pieces 602 are arranged on the connecting ring 601, the inner end of the small cross rod 302 is embedded into the connecting ring 601 and connected to the rock body 500, the two clamping pieces 602 are vertically and oppositely clamping the inner end of the small cross rod 302, the two clamping pieces 602 are passed through the bolt, the two clamping pieces 602 are relatively fixed, the two clamping pieces 602 clamp the inner end of the small cross rod 302, and meanwhile, the inner end of the small cross rod 302 and the two clamping pieces 602 are passed through the bolt, so that the clamping pieces 602 and the inner end of the small cross rod 302 are stably connected into a whole.

The upper end of the inclined stay bar is connected with the outer end part of the section steel 201, the cantilever beam is connected with an inclined galvanized steel wire rope 400, the lower end of the inclined galvanized steel wire rope 400 is connected with the section steel 201, and the upper end of the inclined galvanized steel wire rope 400 is fixedly connected with the rock body 500.

The section steel 201 is provided with an insertion section inserted into the rock body 500, an insertion hole is formed in the rock body 500, a plurality of annular ribs 800 are welded on the periphery of the insertion section, the annular ribs 800 are arranged around the periphery of the section steel 201 in a closed mode, and the annular ribs 800 extend along the length direction of the insertion section at intervals; the insertion section and the plurality of ring ribs 800 are inserted into the insertion holes filled with concrete.

Like this, utilize the concrete to combine the section of inserting of shaped steel 201 and whole rock mass 500 as an organic whole for it is firm to be connected between shaped steel 201 and the rock mass 500, secondly, through setting up a plurality of ring muscle 800, can make and combine more firm between shaped steel 201 and the concrete, and can strengthen shaped steel 201's bending resistance ability, makes shaped steel 201 can bear bigger weight.

Both sides of the section steel 201 are respectively provided with an inner concave area 803, the annular rib 800 is provided with a plurality of inner barb strips 801, and the inner barb strips 801 are arranged at intervals along the circumferential direction of the annular rib 800; the inner ends of the inner barbed strips 801 are connected to the annular rib 800, the outer ends of the inner barbed strips 801 extend into the concave area 803, and the inner barbed strips 801 are obliquely arranged away from the section steel 201 along the direction from the inside to the outside of the inner barbed strips 801.

The outer end of the inner barb strip 801 extends into the concave area 803, the concrete also fills the whole concave area 803, so that the concrete filled in the concave area 803 is better combined with the section steel 201, and in the condition that the outer part of the section steel 201 bears larger weight, the bending deformation resistance of the section steel 201 can be further enhanced due to the effect that the inner barb strip 801 is obliquely embedded into the concrete.

A plurality of outer barb strips 802 are arranged on the annular rib 800, and the plurality of outer barb strips 802 are arranged at intervals along the circumferential direction of the annular rib 800; the inner of outer barb strip 802 is connected on ring muscle 800, and the outer end of outer barb strip 802 deviates from shaped steel 201 and extends outwards and arranges, and along outer barb strip 802 from inside to outside direction, outer barb strip 802 deviates from shaped steel 201 and inclines to arrange, and the outer end of outer barb strip 802 is connected on the lateral wall of jack.

The outer end of the outer barb strip 802 extends to the outside of the section steel 201, can be better combined with the concrete outside the section steel 201, and in the outside of the section steel 201 bears a larger weight, because the effect of the outer barb strip 802 obliquely embedded in the concrete can further enhance the ability of the section steel 201 to resist bending deformation.

For example, 12# steel 201 may be selected as the steel 201, and 8# steel may be selected as the channel. The ultra-high vertical rock slope described above is not necessarily perfectly vertical theoretically, and may have a certain inclination angle, and may be partially convex or concave, where ultra-high refers to a height of about 30 m or more.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.