Pouring component applied to open caisson construction and open caisson construction method
阅读说明：本技术 应用于沉井施工的浇注构件及沉井施工方法 (Pouring component applied to open caisson construction and open caisson construction method ) 是由 刘华 严啸啸 谢婷婷 杨镇 柳国强 赵之峰 于 2020-06-16 设计创作，主要内容包括：本申请涉及一种应用于沉井施工的浇注构件,其包括外模,外模面板,面板侧壁上分别固定连接有连接块一、连接块二,连接块一上开设有插接通槽,连接块二上固定连接有插接块,插接块的侧壁上开设有容纳槽,容纳槽中滑动连接有限位板,容纳槽中固定连接有用于推动限位板移动的推动弹簧,本申请具有缩短整个沉井制作的施工时间,提高沉井制作的效率的效果；本申请还涉及一种使用应用于沉井施工的浇注构件的沉井施工方法,具有外模固定、拆卸简单,可以缩短整个沉井制作的施工时间,提高沉井制作的效率的作用。(The application relates to a pouring component applied to open caisson construction, which comprises an outer die and an outer die panel, wherein the side wall of the panel is fixedly connected with a first connecting block and a second connecting block respectively, the first connecting block is provided with a splicing through groove, the second connecting block is fixedly connected with a splicing block, the side wall of the splicing block is provided with a containing groove, the containing groove is slidably connected with a limiting plate, and a pushing spring for pushing the limiting plate to move is fixedly connected in the containing groove; the application also relates to a sunk well construction method using the pouring member applied to sunk well construction, which has the effects of fixing an external mold, being simple to disassemble, shortening the construction time of manufacturing the whole sunk well and improving the efficiency of manufacturing the sunk well.)
1. The utility model provides a be applied to pouring component of open caisson construction, includes external mold (1), external mold (1) includes 4 vertical panel (11) that set up, its characterized in that: the panel (11) is fixedly connected with a first connecting block (7) and a second connecting block (31) respectively on two side walls arranged along the vertical direction, the first connecting block (7) and the second connecting block (31) are arranged along the plate direction parallel to the panel (11), a splicing through groove (8) is formed in the first connecting block (7), the inner cavity of the splicing through groove (8) is arranged along the plate direction perpendicular to the panel (11), the second connecting block (31) is fixedly connected with a splicing block (9) on the side wall facing away from the panel (11), two adjacent splicing blocks which are mutually perpendicular are arranged on the panel (11), the splicing block (9) and the splicing through groove (8) can be spliced in a matched manner, a containing groove (12) is formed in the side wall of the splicing block (9), a limiting plate (13) is connected in the containing groove (12) in a sliding manner, and a pushing spring (14) used for pushing the limiting plate (13) to move is fixedly connected in the containing, and the limiting plate (13) can be in sliding fit with the side wall of the first connecting block (7).
2. The pouring member applied to open caisson construction according to claim 1, wherein: fixedly connected with locating piece (17) on the lateral wall of connecting block (7), constant head tank (18) have been seted up on locating piece (17), limiting plate (13) slidable pegs graft in constant head tank (18), swivelling joint has screens board (23) in constant head tank (18), the face direction setting of perpendicular to limiting plate (13) is followed in screens board (23), offer fan-shaped scarce groove (24) that are used for screens board (23) cross-under on screens board (23), offer screens groove (32) that are used for screens board (23) to rotate the block on limiting plate (13).
3. The pouring member applied to open caisson construction according to claim 2, wherein: fixedly connected with connecting rod (25) on the face of screens board (23), the face direction setting of perpendicular to screens board (23) is followed in connecting rod (25), offer on locating piece (17) and be used for connecting rod (25) gliding groove (26), it link up with constant head tank (18) to go groove (26), connecting rod (25) cross-under is in going groove (26).
4. The pouring member applied to open caisson construction according to claim 1, wherein: fixedly connected with catch bar (15) on the face of limiting plate (13), catch bar (15) set up along the face direction of perpendicular to limiting plate (13), offer on grafting piece (9) and be used for catch bar (15) removal shifting chute (16), shifting chute (16) link up with holding tank (12), catch bar (15) cross-under is in shifting chute (16).
5. The pouring member applied to open caisson construction according to claim 1, wherein: fixedly connected with cushion (10) on the lateral wall of grafting piece (9), cushion (10) extrude the laminating with the inner wall of grafting logical groove (8).
6. The pouring member applied to open caisson construction according to claim 2, wherein: fixedly connected with dead lever (27) on the top surface of panel (11), dead lever (27) set up along the face direction that is on a parallel with panel (11), dead lever (27) one side is kept away from to panel (11) top surface rotates and is connected with joint pole (28), draw-in groove (29) have been seted up on joint pole (28), adjacent and two that mutually perpendicular set up draw-in groove (29) on panel (11) rotate the block with dead lever (27).
7. The pouring member applied to open caisson construction according to claim 6, wherein: the anti-skidding thread (30) is arranged on the rod body of the fixing rod (27), and the anti-skidding thread (30) is abutted to the inner groove wall of the clamping groove (29).
8. A caisson construction method using the pouring member for caisson construction according to claim 7, wherein: including S1: measuring and lofting a foundation pit;
s2: paving: after the field is leveled, sleepers are adopted to be densely paved along the peripheral direction of the open caisson, and gaps among the sleepers are filled with sand;
s3: prefabricating the open caisson, and manufacturing a pouring component: s3-1: the internal mold (2) is built and fixed;
s3-2: the outer mold (1) is built and fixed: the panels (11) are placed on the sleeper along the vertical direction, every two adjacent panels (11) are vertically arranged on the outer side of the inner mold (2) in a surrounding mode, a gap to be poured is reserved between the inner mold (2) and the outer film, when the two adjacent panels (11) are spliced and fixed, the insertion blocks (9) on the panels (11) are matched and inserted into the insertion through grooves (8), the insertion blocks (9) are inserted into the insertion through grooves (8), the rear limiting plates (13) are inserted into the positioning grooves (18) in a sliding mode under the action of the pushing springs (14), then, the clamping plate (23) is rotated to enable the clamping plate (23) to be clamped in the clamping groove (32) in a rotating mode, then the clamping rods on the panels (11) are rotated to enable the clamping rods on the two adjacent panels (11) which are perpendicular to each other to be clamped with the fixing rod (27) in a rotating mode, when the clamping rod (28) is rotated by hand, the clamping rod (28) is clamped with the fixing rod (27) in a rotating mode, and therefore the panels (11) are spliced and fixed;
s3-3: pouring concrete: pouring concrete into a gap between the outer die (1) and the inner die (2);
s3-4: disassembling the external mold (1) and the internal mold (2): after the concrete pouring is finished and the concrete reaches the design strength, disassembling the outer die (1) and the inner die (2) to form a prefabricated open caisson;
s4: the cushion is drawn, after the outer mold (1) and the inner mold (2) are disassembled, the cushion is drawn, the sleepers are drawn, and the cushion drawing is carried out in a partitioning, sequential, symmetrical and synchronous mode;
s5: digging and sinking;
s6: cleaning a base, crushing rock blocks by using a pneumatic rock drilling machine, sucking the crushed rock blocks by using a suction dredge until the rock blocks reach a designed elevation, and removing precipitated sludge;
s7: wellbore filling and capping.
Technical Field
The application relates to the field of open caisson manufacturing construction, in particular to a pouring component applied to open caisson construction and an open caisson construction method.
Background
The open caisson is a deep foundation or underground engineering construction process which is characterized in that an open reinforced concrete cylinder body is firstly manufactured on the ground or a pit, after the cylinder body reaches a certain strength, soil is dug in the well to gradually reduce the soil surface, and the cylinder body of the open caisson overcomes the frictional resistance between the cylinder body and the soil wall and sinks and positions continuously.
The prior Chinese patent with the publication number of CN106988334A discloses an open caisson supporting structure and an open caisson construction method, which mainly comprise the following steps: measuring and lofting a foundation pit; step two: paving, namely, after leveling the field, densely paving the field along the peripheral direction of the open caisson by adopting common sleepers, and filling gaps among the sleepers with sand; step three: prefabricating the open caisson, erecting a support mold on the sleeper, and manufacturing a pouring member; step four: the cushion is drawn, after the concrete reaches the designed strength, the cushion is drawn in a partitioning, sequential, symmetrical and synchronous way; step five: excavating soil and sinking, wherein a sectional hollowed-out cutting edge template is adopted at the upper part of the open caisson; step six: cleaning a base, crushing rock blocks by using a pneumatic rock drilling machine, sucking the crushed rock blocks by using a suction dredge until the rock blocks reach a designed elevation, and removing precipitated sludge; step seven: sealing the bottom of the open caisson, and pouring underwater concrete into the open caisson by adopting a vertical guide pipe method to seal the bottom; step eight: wellbore filling and capping.
Referring to fig. 1, the casting component in the third step includes an
Enclose at
However, although the panel structure in the external mold is simple, the connection and fixation between adjacent panels are inconvenient, a large number of positioning channel steel and positioning angle steel need to be welded in advance, and then the positioning channel steel and the positioning angle steel are bolted and fixed by using positioning bolts.
Disclosure of Invention
In order to make the external mold fixed, dismantle simply, shorten the engineering time of whole open caisson preparation, improve the efficiency of open caisson preparation, first aspect, this application provides a casting component for open caisson construction, adopts following technical scheme:
a pouring member applied to open caisson construction comprises an outer die, wherein the outer die comprises 4 vertically arranged panels, the side walls of two sides of the panel arranged along the vertical direction are respectively and fixedly connected with a first connecting block and a second connecting block, the first connecting block and the second connecting block are both arranged along the direction parallel to the panel surface of the panel, the first connecting block is provided with a splicing through groove, the inner cavity of the inserting through groove is arranged along the direction vertical to the panel surface of the panel, the side wall of the two connecting blocks back to the panel is fixedly connected with an inserting block, the inserting blocks on the two adjacent panels which are mutually vertically arranged can be matched and inserted with the inserting through groove, the side wall of the insertion block is provided with a containing groove, a limit plate is connected in the containing groove in a sliding way, fixedly connected with is used for promoting the promotion spring that the limiting plate removed in the holding tank, the limiting plate can slide with the lateral wall of connecting block one and laminate.
Through adopting the above technical scheme, two piece adjacent panel concatenations make the grafting piece on the panel peg graft with peg graft and lead to the groove cooperation and peg graft when fixed, the grafting piece is pegged graft and is led to the groove after grafting, the limiting plate slidable under the effect that promotes the spring is laminated in the lateral wall of grafting piece, thereby it is fixed to make the panel concatenation, welding position channel-section steel has been avoided to this kind of fixed mode, the location angle steel, the installation time of external mold has been saved, simultaneously, avoided using positioning bolt, the problem of inconvenient is dismantled because of positioning bolt corrosion leads to the panel has been solved, be favorable to the quick dismantlement of external mold, thereby can shorten the engineering time of whole open caisson preparation, the efficiency of open caisson preparation is.
Preferably, fixedly connected with locating piece on the lateral wall of connecting block one, the constant head tank has been seted up on the locating piece, limiting plate slidable pegs graft in the constant head tank, swivelling joint has the screens board in the constant head tank, the screens board sets up along the face direction of perpendicular to limiting plate, offer the fan-shaped scarce groove that is used for the screens board cross-under on the screens board, offer the screens groove that is used for the screens board rotation block on the limiting plate.
Through adopting above-mentioned technical scheme, but the limiting plate can peg graft in the constant head tank when sliding, rotates the screens board afterwards and can make the screens board rotate the block in the screens groove, and this kind of setting can improve the stability that the limiting plate set up, avoids the limiting plate to receive external force and removes the fastness that influences the grafting piece and peg graft through the groove grafting, is favorable to connecting more firmly between two adjacent panels.
Preferably, the connecting rod is fixedly connected to the surface of the clamping plate, the connecting rod is arranged along the direction perpendicular to the surface of the clamping plate, a sliding groove for the connecting rod to slide is formed in the positioning block, the sliding groove is communicated with the positioning groove, and the connecting rod is connected in the sliding groove in a penetrating mode.
Through adopting above-mentioned technical scheme, the setting of connecting rod is convenient for the workman to the screens board rotate when installation or dismantlement external mold.
Preferably, fixedly connected with catch bar on the face of limiting plate, the catch bar sets up along the face direction of perpendicular to limiting plate, offer the shifting chute that is used for the catch bar to remove on the grafting piece, the shifting chute link up with the holding tank, the catch bar cross-under is in the shifting chute.
Through adopting above-mentioned technical scheme, the setting of catch bar is convenient for the workman and is removing the limiting plate when the installation or dismantle the external mold.
Preferably, fixedly connected with cushion on the lateral wall of grafting piece, cushion and the extrusion laminating of the inner wall that the logical groove was led to in the grafting.
Through adopting above-mentioned technical scheme, being provided with of cushion does benefit to and makes the grafting piece more firm with the logical groove grafting of pegging graft.
Preferably, the top surface of the panel is fixedly connected with a fixed rod, the fixed rod is arranged along the direction parallel to the panel surface of the panel, one side, away from the fixed rod, of the top surface of the panel is rotatably connected with a clamping rod, the clamping rod is provided with a clamping groove, and the clamping groove and the fixed rod on the panel are rotatably clamped in two adjacent mutually perpendicular modes.
Through adopting above-mentioned technical scheme, rotate the joint pole, make the draw-in groove on the joint pole fixed with the dead lever block, be favorable to making two adjacent panels connect more firmly.
Preferably, the rod body of the fixing rod is provided with anti-slip patterns, and the anti-slip patterns are abutted to the inner groove wall of the clamping groove in a fit manner.
Through adopting above-mentioned technical scheme, the frictional force between dead lever and the draw-in groove can be increased to the antiskid line, is favorable to making joint pole and dead lever block more firm.
In a second aspect, the present application provides a caisson construction method for a pouring member applied to the above caisson construction, which adopts the following technical scheme:
a caisson construction method using a pouring member applied to the caisson construction, comprising S1: measuring and lofting a foundation pit;
s2: paving: after the field is leveled, sleepers are adopted to be densely paved along the peripheral direction of the open caisson, and gaps among the sleepers are filled with sand;
s3: prefabricating the open caisson, and manufacturing a pouring component: s3-1: building and fixing the internal mold;
s3-2: and (3) building and fixing an outer mold: the panels are placed on the sleeper along the vertical direction, every two adjacent panels are vertically surrounded on the outer side of the inner mold, a gap to be poured is reserved between the inner mold and the outer film, when two adjacent panels are spliced and fixed, the inserting blocks on the panels are matched and inserted with the inserting through grooves, the inserting blocks are inserted into the inserting through grooves, the limiting plates are inserted into the positioning grooves in a sliding mode under the action of the pushing springs, then the clamping plates are rotated to enable the clamping plates to be rotatably clamped in the clamping grooves, then the clamping rods on the panels are rotated, the clamping rods on the two adjacent panels which are perpendicular to the panels are rotatably clamped with the fixing rods, and therefore the panels are spliced and fixed;
s3-3: pouring concrete: pouring concrete into a gap between the outer die and the inner die;
s3-4: disassembling the external mold and the internal mold: after the concrete pouring is finished and the concrete reaches the design strength, disassembling the outer mold and the inner mold to form a prefabricated open caisson;
s4: drawing the cushion, after the outer mold and the inner mold are disassembled, drawing the cushion, and drawing the sleeper away, wherein the cushion drawing is performed in a partitioning, sequential, symmetrical and synchronous manner;
s5: digging and sinking;
s6: cleaning a base, crushing rock blocks by using a pneumatic rock drilling machine, sucking the crushed rock blocks by using a suction dredge until the rock blocks reach a designed elevation, and removing precipitated sludge;
s7: wellbore filling and capping.
By adopting the technical scheme, the external mold is simple and quick to construct, fix and disassemble, the construction time for manufacturing the whole open caisson is shortened, and the efficiency for manufacturing the open caisson is improved.
To sum up, the application comprises the following beneficial technical effects:
through the arrangement of the inserting blocks, the inserting through grooves and the limiting plates, the outer die can be quickly and simply installed and disassembled, the construction time of manufacturing the whole open caisson can be shortened, and the efficiency of manufacturing the open caisson is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a casting member in the prior art;
FIG. 2 is a schematic view for embodying the overall structure of a casting member;
FIG. 3 is a schematic view of an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of an enlarged view at B in FIG. 2;
FIG. 5 is a schematic view of a cross-sectional view of the retaining plate;
fig. 6 is a flow chart of a method of open caisson construction.
Description of reference numerals: 1. an outer mold; 11. a panel; 2. an inner mold; 21. a template; 22. a side plate; 3. reinforcing channel steel; 4. positioning channel steel; 5. positioning angle steel; 6. positioning the bolt; 7. a first connecting block; 8. a through groove is inserted; 9. an insertion block; 10. an elastic pad; 12. accommodating grooves; 13. a limiting plate; 14. a push spring; 15. a push rod; 16. a moving groove; 17. positioning blocks; 18. positioning a groove; 19. mounting grooves; 20. a transfer lever; 23. a clamping plate; 24. a fan-shaped notch; 25. a connecting rod; 26. a row groove; 27. fixing the rod; 28. a clamping and connecting rod; 29. a card slot; 30. anti-skid lines; 31. a second connecting block; 32. screens groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses be applied to pouring component of open caisson construction, refer to fig. 2, including
Referring to fig. 2,
Referring to fig. 2 and 3, a plug-in through groove 8 is formed in the first connecting
Referring to fig. 2 and 3, the second connecting
Referring to fig. 2 and 3, an elastic pad 10 is fixedly connected to a side wall of the insertion block 9, and when the insertion block 9 is inserted into the insertion through groove 8, the elastic pad 10 is pressed against an inner wall of the insertion through groove.
Referring to fig. 5, the sidewall of the insertion block 9 is provided with a receiving groove 12, and an inner cavity of the receiving groove 12 is rectangular. Sliding connection has limiting plate 13 in holding tank 12, and limiting plate 13 is the cuboid setting.
Referring to fig. 5, a pushing spring 14 for pushing the limiting plate 13 to move is fixedly connected to the accommodating groove 12, one end of the pushing spring 14 is fixedly connected to a side wall of the accommodating groove 12 facing the notch of the accommodating groove, and the other end of the pushing spring is fixedly connected to a side wall of the limiting plate 13. Under the pushing of the pushing spring 14, the limit plate 13 can be in sliding fit with the side wall of the first connecting
Referring to fig. 5, the plate surface of the limiting plate 13 is fixedly connected with a push rod 15, and the push rod 15 is disposed in a cylindrical shape and is disposed along a direction perpendicular to the plate surface of the limiting plate 13. The insertion block 9 is provided with a moving groove 16 for moving the push rod 15, the inner cavity of the moving groove 16 is cuboid and is communicated with the pin groove, and the push rod 15 is penetrated in the moving groove 16.
Referring to fig. 5, in the
Referring to fig. 5, a mounting groove 19 is formed on a side wall of the positioning groove 18, and a cross section of an inner cavity of the mounting groove 19 is disposed in a fan shape. An adapter rod 20 is rotatably connected in the mounting groove 19, and the adapter rod 20 is arranged in a direction parallel to the plate surface of the limiting plate 13.
Referring to fig. 5, a locking plate 23 is fixedly connected to the adapter rod 20, and the locking plate 23 is disposed along a direction perpendicular to the surface of the limiting plate 13. Offer the fan-shaped groove 24 that lacks that is used for the screens board 23 cross-under on the screens board 23, the contained angle that fan-shaped lacks groove 24 is 90 degrees, and fan-shaped lateral wall that lacks groove 24 can rotate with the lateral wall of constant head tank 18 and align to make limiting plate 13 can slide to the constant head tank 18 smoothly. The limiting plate 13 is provided with a blocking groove 32 for rotationally blocking the blocking plate 23, and the inner cavity of the blocking groove 32 is rectangular.
Referring to fig. 2 and 3, a connecting rod 25 is fixedly connected to the surface of the clamping plate 23, and the connecting rod 25 is rectangular and is arranged along a direction perpendicular to the surface of the clamping plate 23. The positioning block 17 is provided with a row groove 26 for sliding the connecting rod 25, the row groove 26 is an arc-shaped groove and is communicated with the positioning groove 18, and the connecting rod 25 is connected in the row groove 26 in a penetrating manner.
Referring to fig. 2 and 4, a fixing rod 27 is fixedly connected to the top surface of the
Referring to fig. 2 and 4, the body of the fixing rod 27 is provided with anti-slip threads 30, and after the fixing rod 27 is rotatably engaged with the slot 29, the anti-slip threads 30 are abutted against the inner slot wall of the slot 29.
The implementation principle of the embodiment is as follows: the panels 11 are placed on a sleeper along the vertical direction, every two adjacent panels 11 are vertically arranged on the outer side of the inner mold 2 in a surrounding mode, a gap to be poured is reserved between the inner mold 2 and the outer membrane, when the two adjacent panels 11 are spliced and fixed, the inserting blocks 9 on the panels 11 are matched and inserted with the inserting grooves, the limiting plates 13 behind the inserting blocks 9 inserted in the inserting grooves are slidably inserted in the positioning grooves 18 under the action of the pushing springs 14, then the clamping plates 23 are rotated to enable the clamping plates 23 to be rotatably clamped in the clamping grooves 32, then the clamping rods on the panels 11 are rotated to enable the clamping rods on the two adjacent panels 11 perpendicular to the arrangement to be rotatably clamped with the fixing rods 27, then the clamping rods on the panels 11 are rotated to enable the clamping rods on the two adjacent panels 11 perpendicular to be rotatably clamped with the fixing rods 27, and therefore the panels 11 are spliced and fixed; when the external mold 1 needs to be disassembled, the clamping plate 23 is firstly rotated to separate the clamping plate 23 from the clamping groove 32, and then the limiting plate 13 is pushed by the push rod 15, so that the limiting plate 13 slides to the accommodating groove 12, and at the moment, the adjacent panels 11 can be detached.
The embodiment of the application also discloses a caisson construction method using the pouring member applied to the caisson construction, and referring to fig. 6, the caisson construction method comprises the steps of S1-S7.
Wherein, S1: foundation pit measurement lofting: determining the excavation depth of the foundation pit of the open caisson according to the geological conditions disclosed by the open caisson design drawing and the engineering geological report, and calibrating a center pile of the open caisson, a vertical-horizontal axis control pile and a foundation pit excavation side line according to a center seat of the open caisson after leveling the field.
S2: paving: and after the field is leveled, sleepers are adopted to be densely paved along the peripheral direction of the open caisson, and gaps among the sleepers are filled with sand.
S3: prefabricating the open caisson, and manufacturing a pouring component: s3-1: the internal mold 2 is built and fixed: centre form 2 includes the
S3-2: and (3) building and fixing the outer mold 1: make
S3-3: pouring concrete: concrete is poured into the gap between the
S3-4: disassembling the
S4: and (4) pad drawing, namely after the
S5: excavating and sinking, wherein the upper part of the open caisson adopts a sectional emptying edge foot template, sand and stones are backfilled after each section is emptied, backfill materials are gradually excavated in layers to enable the open caisson to sink, and engine oil is coated on the outer wall of the open caisson before sinking so as to reduce the lateral frictional resistance between the open caisson and soil during sinking.
S6: cleaning the base, crushing the rock block by a pneumatic rock drilling machine, sucking out the crushed rock block by a suction dredge until the rock block reaches the designed elevation, and removing the precipitated sludge.
S7: bottom sealing of the open caisson: the open caisson adopts a vertical conduit method to pour underwater concrete back cover, a steel conduit is vertically placed in each well hole, the top of the conduit is connected with a funnel, the neck of the funnel is provided with a ball plug and firmly picked by a rope, the funnel is filled with concrete, and the concrete is poured by a ball cutting method.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
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