阅读说明：本技术 一种闸墩钢木组合大模板结构及其施工方法 (Gate pier steel-wood combined large formwork structure and construction method thereof ) 是由 陈吉亮 孙建成 张庆伟 张鹏飞 王冬 王慧 王进利 于 2021-01-18 设计创作，主要内容包括：本发明公开了一种闸墩钢木组合大模板结构及其施工方法,包括面板、矩形框架、横向围檩和龙骨,所述矩形框架由槽钢两端两两焊接相连组成,所述龙骨通过焊接纵向固定于矩形框架内,由两根间距设置的槽钢组成横向围檩通过焊接横向固定于矩形框架内,所述龙骨与横向围檩通过焊接固定连接,所述面板覆盖于矩形框架和龙骨上面,与矩形框架和龙骨通过螺栓固定连接。本发明通过钢模板和木模板结合组成的钢木组合大模板结构,解决了墩、墙结构冬季施工保温问题,本发明具有模板稳定性强,经济适用,操作简单、便于施工的优点。(The invention discloses a gate pier steel-wood combined large formwork structure and a construction method thereof, and the gate pier steel-wood combined large formwork structure comprises a panel, a rectangular frame, a transverse enclosing purlin and a keel, wherein the rectangular frame is formed by welding two ends of channel steel in pairs, the keel is longitudinally fixed in the rectangular frame through welding, the transverse enclosing purlin is formed by two channel steel arranged at intervals and is transversely fixed in the rectangular frame through welding, the keel and the transverse enclosing purlin are fixedly connected through welding, and the panel covers the rectangular frame and the keel and is fixedly connected with the rectangular frame and the keel through bolts. The steel-wood combined large formwork structure formed by combining the steel formwork and the wood formwork solves the problem of heat preservation of pier and wall structures in winter construction.)

1. The utility model provides a big template structure of gate pier steel-wood combination, a serial communication port, include panel (1), rectangular frame (2), transversely enclose purlin (4) and fossil fragments (5), rectangular frame (2) link to each other by two liang of welding in channel-section steel both ends and constitute, fossil fragments (5) are vertically fixed in rectangular frame (2) through the welding, transversely enclose purlin (4) and comprise the channel-section steel that two intervals set up, transversely be fixed in rectangular frame (2) through the welding in, fossil fragments (5) and transversely enclose purlin (4) through welded fastening connection, panel (1) covers on rectangular frame (2) and fossil fragments (5), passes through bolt fixed connection with rectangular frame (2) and fossil fragments (5).

2. The gate pier steel-wood combined large formwork structure according to claim 1, wherein the panel (1) is high-strength plywood.

3. The gate pier steel-wood combined large formwork structure according to claim 1, wherein the number of the keels (5) is multiple, and the multiple keels (5) are longitudinally arranged from top to bottom at uniform intervals.

4. The gate pier steel-wood combined large template structure according to claim 1, wherein the number of the transverse enclosing purlins (4) is 2, and the 2 transverse enclosing purlins (4) are distributed in the rectangular frame (2) in a left-right symmetrical mode.

5. The gate pier steel wood combined large template structure according to claim 4, wherein the 2 transverse enclosing purlins (4) comprise a left transverse enclosing purlin (8) and a right transverse enclosing purlin (9), left split bolt holes (7) are arranged on the left transverse enclosing purlin at uniform intervals, right split bolt holes (10) are arranged on the right transverse enclosing purlin at uniform intervals, and the left split bolt holes (7) correspond to the right split bolt holes (10) in position.

6. The gate pier steel-wood combined large template structure according to claim 5, wherein the number of the left split bolt holes (7) is the same as that of the right split bolt holes (10), and the number of the right split bolt holes (10) is more than or equal to 4.

7. The gate pier steel-wood combined large formwork structure according to claim 1, wherein the rectangular frame (2) is provided with 2 hanging plates (3) on the long frame, the 2 hanging plates (3) are symmetrically arranged on the rectangular frame (2) on the long frame, and the hanging plates (3) are provided with circular hanging holes (11).

8. The gate pier steel-wood combined large formwork structure according to claim 1, wherein splicing bolt holes (6) are formed in the borders of the rectangular frame (2), and the splicing bolt holes (6) are uniformly arranged on the peripheral borders of the rectangular frame (2) at intervals.

9. A construction method of a gate pier steel wood combined large template structure is characterized by comprising the following steps:

step 1, processing split bolts according to the width of a gate pier required by design, enabling the length of the split bolts to meet the width requirement of the gate pier, correspondingly assembling the formed gate pier steel-wood combined large template layer by layer, after assembling one layer, performing internal thread penetrating split combined structure construction, enabling two sides to ascend synchronously, inserting and combining drawn wires layer by layer, but not fastening;

step 2, after the gate pier steel wood combined large template is assembled, checking the gate pier steel wood combined large templates one by one, and temporarily fastening the split bolts;

step 3, entering a correction and reinforcement link of the gate pier steel-wood combined template after fastening is completed, fixing one end of a steel wire rope on a gate bottom plate embedded anchor bolt by using a turnbuckle bolt and a chain block, and fixing one end of the steel wire rope on a steel pipe node of a template purlin to correct a gate pier steel-wood large template;

step 4, carrying out concrete pouring construction after the correction is finished;

step 5, completing concrete construction, and performing demolding construction from top to bottom after demolding conditions are met;

and 6, after demolding is finished, removing the tension rod, performing concrete exposed surface treatment, finishing the process construction, and entering the next process construction.

Technical Field

The invention relates to the field of water conservancy equipment, in particular to a gate pier steel-wood combined large template structure and a construction method thereof.

Background

In water conservancy and hydropower engineering, the construction of various sluice pier is a major difficulty of the engineering, and particularly in cold seasons, the appearance quality of the concrete of the sluice pier is directly influenced by the construction of the sluice pier template.

In the traditional gate pier construction, steel templates of 1.5m multiplied by 0.9m and 1.5m multiplied by 0.6m are generally adopted, and steel frame pipe surrounding purlins, jackscrews, dovetail clamps, U-shaped clamps or screws, split screw technology or internal screw split combined structures are adopted for construction.

The existing gate pier template construction process is not beneficial to concrete heat preservation because the concrete surface is in contact with the steel template when gate pier large-volume concrete construction is carried out in cold seasons due to strong heat conductivity of the steel template, and the appearance quality is influenced because temperature cracks are easily generated after concrete molding.

Disclosure of Invention

The invention improves the combined structure of the steel-wood template in the conventional large template construction, so that the steel template and the wood template in the combined template can respectively exert the advantages, and the combined template has stability and heat preservation simultaneously. Effectively solve the heat preservation problem of winter gate pier concrete construction, improve concrete appearance quality. The invention can meet the requirement of the stability of the template, is economical and applicable, is simple to operate and convenient to construct, and has heat insulation performance during winter construction.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention adopts the following technical scheme:

a gate pier steel wood combined large template structure is characterized by comprising a panel, a rectangular frame, a transverse purlin and a keel,

the rectangular frame is formed by two pairwise welding at two ends of channel steel, the keel is longitudinally fixed in the rectangular frame through welding, the transverse enclosing purlin is formed by the channel steel arranged at two intervals and is transversely fixed in the rectangular frame through welding, the keel and the transverse enclosing purlin are fixedly connected through welding, the panel covers the rectangular frame and the keel, and is fixedly connected with the rectangular frame and the keel through bolts.

According to the gate pier steel wood combined large template structure, the panel is the high-strength plywood.

Aforementioned big template structure of gate pier steel-wood combination, the radical of fossil fragments is many, many fossil fragments from top to bottom evenly spaced longitudinal arrangement.

According to the gate pier steel wood combined large template structure, the number of the transverse enclosing purlins is 2, and the 2 transverse enclosing purlins are distributed in the rectangular frame in a bilateral symmetry mode.

The gate pier steel wood combined large template structure is characterized in that the 2 transverse enclosing purlins comprise a left transverse enclosing purlin and a right transverse enclosing purlin, left transverse enclosing purlins are provided with left split bolt holes at uniform intervals, right transverse enclosing purlins are provided with right split bolt holes at uniform intervals, and the left split bolt holes correspond to the right split bolt holes in position.

According to the gate pier steel wood combined large template structure, the number of the left split bolt holes is the same as that of the right split bolt holes, and the number of the right split bolt holes is more than or equal to 4.

According to the gate pier steel wood combined large template structure, the hanging plates are arranged on the rectangular frame, the number of the hanging plates is 2, the 2 hanging plates are symmetrically arranged on the rectangular frame, and the hanging plates are provided with the circular hanging holes.

According to the gate pier steel wood combined large template structure, the splicing bolt holes are formed in the frame of the rectangular frame, and the splicing bolt holes are uniformly arranged in the frame around the rectangular frame at intervals.

A construction method of a gate pier steel wood combined large template structure is characterized by comprising the following steps:

step 1, processing split bolts according to the width of a gate pier required by design, enabling the length of the split bolts to meet the width requirement of the gate pier, correspondingly assembling the formed gate pier steel-wood combined large template layer by layer, after assembling one layer, performing internal thread penetrating split combined structure construction, enabling two sides to ascend synchronously, inserting and combining drawn wires layer by layer, but not fastening;

step 2, after the gate pier steel wood combined large template is assembled, checking the gate pier steel wood combined large templates one by one, and fastening the split bolts;

step 3, entering a correction and reinforcement link of the gate pier steel-wood combined template after fastening is completed, fixing one end of a steel wire rope on a gate bottom plate embedded anchor bolt by using a turnbuckle bolt and a chain block, and fixing one end of the steel wire rope on a steel pipe node of a template purlin to correct a gate pier steel-wood large template;

step 4, carrying out concrete pouring construction after the correction is finished;

step 5, completing concrete construction, and performing demolding construction from top to bottom after demolding conditions are met;

and 6, after demolding is finished, removing the tension rod, performing concrete exposed surface treatment, finishing the process construction, and entering the next process construction.

Drawings

FIG. 1 is a schematic structural view of a gate pier steel-wood combined large template of the invention;

FIG. 2 is a top view of a gate pier steel-wood combined large template structure of the invention;

fig. 3 is a schematic structural view of two corresponding gate pier steel-wood combined large templates fixed by split bolts.

The meaning of the reference numerals:

1-panel 2-rectangular frame 3-hanger plate 4-transverse steel purlin

5-keel 6-splicing bolt hole 7-left split bolt hole 8-left transverse purlin

9-right transverse surrounding purlin 10-right split bolt hole 11-circular lifting hole.

Detailed Description

The structure of the gate pier steel-wood combined large formwork of the present invention is further described in detail with reference to fig. 1 to 3 of the accompanying drawings.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1, 2 and 3, a big template structure of gate pier steel-wood combination, including panel 1, rectangular frame 2, transversely enclose purlin 4 and fossil fragments 5, rectangular frame 2 comprises two liang of welding in channel-section steel both ends and links to each other, fossil fragments 5 are through welding longitudinal fixation in rectangular frame 2, constitute by the channel-section steel that two intervals set up and transversely enclose purlin 4 and transversely be fixed in rectangular frame 2 through the welding in, fossil fragments 5 and transversely enclose purlin 4 through welded fastening and be connected, panel 1 covers on rectangular frame 2 and fossil fragments 5, passes through bolt fixed connection with rectangular frame 2 and fossil fragments 5. A general gate pier steel-wood combined large template adopts a large steel keel frame with the size of 3.0m multiplied by 1.8m as a gate pier steel-wood template supporting structure, firstly, a channel steel with the size of 80mm is adopted to manufacture a steel keel rectangular frame 2 and a keel 5, and then two transverse steel enclosing purlins 4 are arranged. Each transverse surrounding purlin 4 is composed of channel steel (80 mm) with the distance of 50mm, and finally the panel 1 is fixed on the steel keel frame through bolts. Further, the panel 1 is a high strength plywood. The high-strength plywood is one of common wooden templates in engineering construction, is in contact with a concrete surface, and plays a role in heat preservation when concrete is poured in cold seasons in winter. In the present embodiment, the panel 1 is made of high-strength plywood.

As shown in figure 1, the gate pier steel-wood combined large template structure is characterized in that the number of the keels 5 is multiple, and the keels 5 are uniformly and longitudinally arranged from top to bottom at intervals. The keel 5 plays a role in supporting the gate pier steel-wood combined large template structure. In this embodiment, fossil fragments 5 are 80 mm's channel-section steel, through welding vertically fixed in rectangular frame in, the radical of fossil fragments 5 is many, also is many 80 mm's channel-section steel, indulges by the welding from top to bottom even interval and is fixed in rectangular frame in. The number of the keels 5 is set according to the structural size of the gate pier steel-wood combined large template, in this embodiment, the gate pier steel-wood combined large template is 3.0m × 1.8m, and the number of the keels 5 is 9.

As shown in fig. 1, 2 and 3, the gate pier steel wood combined large formwork structure is characterized in that the number of the transverse enclosing purlins 4 is 2, and the 2 transverse enclosing purlins 4 are distributed in the rectangular frame 2 in a bilateral symmetry mode. Form by the channel-section steel that two intervals set up and transversely enclose purlin 4 and transversely be fixed in rectangular frame 2 through the welding in, transversely enclose the purlin and play the effect of consolidating big template of whole gate pier steel wood combination and fossil fragments, transversely enclose the number of purlin 4 and be 2, 2 transversely enclose purlin 4 bilateral symmetry and distribute in rectangular frame 2, transversely enclose purlin 4's symmetric distribution and make the big template of gate pier steel wood combination accept evenly, non-deformable. Further, 2 transversely enclose purlin 4 and transversely enclose purlin 9 including a left side and transversely enclose purlin 8 and right side, a left side transversely encloses on the purlin even interval and sets up to left split bolt hole 7, the right side transversely encloses on the purlin even interval and sets up to right split bolt hole 10, left side split bolt hole 7 is located and is corresponding with right split bolt hole 10 position. The split bolt holes are used for enabling the split bolts to penetrate through the split bolt holes and the opposite gate pier steel-wood combined large template to form a stable structure. Further, the number of the left split bolt holes 7 is the same as the number of the right split bolt holes 10, and the number of the right split bolt holes 10 is greater than or equal to 4. The setting of split bolt hole number is according to the big template size decision of gate pier steel-wood combination, and the big template size of gate pier steel-wood combination is big, and the power that two big templates size combination of gate pier steel-wood combination fixed needs just also big, and the number of split bolt hole just also is more like this. In this embodiment, the left split bolt hole 7 is 20mm in diameter of the split bolt hole 10, and 4 holes are arranged at each transverse purlin 4 according to the distance 700mm, and the two transverse purlins 4 have 8 holes. When the template is installed, the opposite pull bolts penetrate through the corresponding pull bolt holes and the opposite template to form a stable structure.

As shown in fig. 1 and 2, the gate pier steel-wood combined large formwork structure is characterized in that hanging plates 3 are arranged on a long frame of a rectangular frame, the number of the hanging plates 3 is 2, the 2 hanging plates 3 are uniformly arranged on the long frame of the rectangular frame 2 at intervals, and circular hanging holes 11 are formed in the hanging plates 3. In the operation, need to hoist the big template of gate pier steel wood combination and assemble concatenation and correction, so need set up hanger plate 3 on the long frame of rectangular frame 2, set up circular lewis hole 11 on hanger plate 3 and place the lifting hook and set up for hoisting the big template of gate pier steel wood combination.

As shown in fig. 3, splicing bolt holes 6 are arranged on the frame of the rectangular frame 2, and the splicing bolt holes 6 are uniformly arranged on the frame around the rectangular frame 2 at intervals. In the construction, the two gate pier steel-wood combined large templates are spliced by penetrating bolts through splicing bolt holes 6 arranged on the frame in the splicing process.

Further, the embodiment also discloses a construction method of the gate pier steel-wood combined large template structure, which comprises the following steps:

step 1, processing split bolts according to the width of a gate pier required by design, enabling the length of the split bolts to meet the width requirement of the gate pier, correspondingly assembling the formed gate pier steel-wood combined large template layer by layer, after assembling one layer, performing internal thread penetrating split combined structure construction, enabling two sides to ascend synchronously, inserting and combining drawn wires layer by layer, but not fastening;

step 2, after the gate pier steel wood combined large template is assembled, checking the gate pier steel wood combined large templates one by one, and temporarily fastening the split bolts;

step 3, entering a correction and reinforcement link of the gate pier steel-wood combined template after fastening is completed, fixing one end of a steel wire rope on a gate bottom plate embedded anchor bolt by using a turnbuckle bolt and a chain block, and fixing one end of the steel wire rope on a steel pipe node of a template purlin to correct a gate pier steel-wood large template;

step 4, carrying out concrete pouring construction after the correction is finished;

step 5, completing concrete construction, and performing demolding construction from top to bottom after demolding conditions are met;

and 6, after demolding is finished, removing the tension rod, performing concrete exposed surface treatment, finishing the process construction, and entering the next process construction.

The above description is only for the purpose of illustrating specific embodiments of the present invention, and should not be construed as limiting the scope of the present invention, and all equivalent changes, modifications, or equivalent scaled-up or down made according to the design spirit of the present invention should be considered as falling within the scope of the present invention.