CN214169145U - Reverse construction method bottom plate well hole formwork system - Google Patents
Reverse construction method bottom plate well hole formwork system Download PDFInfo
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- CN214169145U CN214169145U CN202022571382.7U CN202022571382U CN214169145U CN 214169145 U CN214169145 U CN 214169145U CN 202022571382 U CN202022571382 U CN 202022571382U CN 214169145 U CN214169145 U CN 214169145U
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Abstract
The utility model provides a bottom plate and well hole formwork system for reverse construction method, which comprises a supporting frame, a well hole formwork and an adjustable jacking, wherein the well hole formwork comprises a bottom formwork and a plurality of vertical formworks, the bottom formwork and the vertical formworks are respectively arranged at the bottom and the periphery of a bottom plate well hole formed by binding bottom plate reinforcing steel bars, a plurality of longitudinal battens are arranged at intervals on the side of the bottom formwork away from the bottom plate reinforcing steel bars, a plurality of vertical battens are respectively arranged at intervals on the side of the vertical formwork away from the bottom plate reinforcing steel bars, the bottom of the supporting frame is arranged on the longitudinal battens in the well hole formwork, the top of the supporting frame is supported on the bottom surface of an upper-layer structural beam plate constructed in advance by the reverse construction method through the adjustable jacking, a heavy object for reverse pressure is arranged on the top surface of the upper-layer structural beam plate corresponding to the supporting frame, the upper-layer structural beam plate constructed by the reverse construction method supports the supporting frame of the well hole formwork below the bottom plate, the problems that the carrying difficulty of the heavy object of the hanging mould of the reverse construction pit is high and the hidden danger of the back pressure of the heavy object is high are solved, and labor and cost are saved.
Description
Technical Field
The utility model belongs to the technical field of the construction, especially, relate to a bottom plate well hole formwork method.
Background
And after the reinforcement of the bottom plate of the reverse basement is finished, carrying out pit formwork construction of a dewatering well and an elevator shaft. Traditional pit hangs mould adopts the heavy object backpressure in order to prevent that pit template promptly enters the hole template come-up when the concreting.
However, the number of steel supports at the bottom of the pit is increased due to the fact that the counter pressure heavy object is too heavy, the pit template floats upwards due to the fact that the counter pressure heavy object is too light, and the heavy object carrying difficulty and heavy object counter pressure hidden danger in the reverse construction method construction of the pit hanging template are large, and a large amount of labor cost is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reverse construction method bottom plate well hole formwork system utilizes the upper strata structure beam slab that reverse construction method construction was accomplished to support the well hole template of lower floor's bottom plate, has solved among the prior art reverse construction method construction pit and has hung the problem that the mould heavy object transport degree of difficulty is big, heavy object back pressure hidden danger is many, practices thrift labour and cost.
In order to solve the technical problem, the utility model provides a following technical scheme:
a bottom plate well hole formwork supporting system for a reverse construction method, which comprises a supporting frame, a well hole formwork and an adjustable jacking, the pit template comprises a bottom template and a plurality of vertical templates, the bottom template and the vertical templates are respectively arranged at the bottom and the periphery of the bottom plate pit formed by binding the bottom plate reinforcing steel bars, the adjacent vertical templates are connected in a sealing way, the lower ends of the vertical templates are respectively connected to the periphery of the bottom template in a sealing way, a plurality of longitudinal battens are arranged on the side of the bottom template far away from the bottom plate steel bar at intervals, a plurality of vertical battens are respectively arranged on the side of the vertical template far away from the bottom plate steel bar at intervals, the bottom of the support frame is arranged on a longitudinal batten in the well hole template, the top of the support frame is supported on the bottom surface of an upper-layer structural beam plate which is constructed in advance by a reverse construction method through an adjustable jacking, and a heavy object for back pressure is arranged on the top surface of the upper-layer structural beam plate corresponding to the support frame.
Preferably, in the above-mentioned formwork system for a bottom plate shaft hole of a reverse construction method, the support frame is formed by connecting vertical rods, horizontal rods and vertical rods and erecting steel pipe fasteners.
Preferably, in the above-mentioned formwork system for a bottom plate shaft hole of a reverse construction method, the adjustable jacking brackets are respectively arranged on the tops of the vertical rods of the supporting frames.
Preferably, in the above-mentioned formwork system for a bottom plate and a shaft hole of a top-down construction method, the adjustable jacking is supported on the bottom surface of the upper-layer structural beam plate through jacking battens.
Preferably, in the above-mentioned formwork system for a bottom plate shaft hole of a reverse construction method, a plurality of protective cushion blocks are respectively arranged between the bottom formwork and the bottom plate shaft hole at intervals.
Preferably, in the formwork system for the bottom plate and the shaft hole of the top-down construction method, a plurality of protective cushion blocks are arranged between the vertical formwork and the bottom shaft hole at intervals.
Known by the technical scheme who discloses above, compare with prior art, the beneficial effect of the utility model is as follows:
the utility model provides a reverse construction method bottom plate well cave formwork system, which comprises a supporting frame, a well cave formwork and an adjustable jacking, wherein the well cave formwork comprises a bottom formwork and a plurality of vertical formworks, the bottom formwork and the plurality of vertical formworks are respectively arranged at the bottom and the periphery of a bottom plate well cave formed by binding bottom plate reinforcing steel bars, the adjacent vertical formworks are connected in a sealing way, the lower ends of the vertical formworks are respectively connected around the bottom formwork in a sealing way, a plurality of longitudinal battens are arranged at intervals on the side of the bottom formwork away from the bottom plate reinforcing steel bars, a plurality of vertical battens are respectively arranged at intervals on the side of the vertical formwork away from the bottom plate reinforcing steel bars, the bottom of the supporting frame is arranged on the longitudinal battens in the well cave formwork, the top of the supporting frame is supported on the bottom surface of an upper layer structural beam plate constructed in advance through a reverse construction method through the adjustable jacking, a heavy object used for reverse pressure is arranged at the position of the supporting frame on the top surface of the upper layer structural beam plate, the supporting frame of the lower well opening template is supported by the upper-layer structural beam plate which is constructed by the reverse construction method, the problems that the carrying difficulty of heavy objects of the hoisting template of the reverse construction pit is high, the hidden danger of the back pressure of the heavy objects is high are solved, and labor and cost are saved.
Drawings
Fig. 1 is a schematic structural diagram of a bottom plate manhole formwork supporting system according to an embodiment of the present invention;
in the figure: 1-bottom plate, 2-well hole, 3-bottom template, 4-vertical template, 5-longitudinal batten, 6-vertical batten, 7-support frame, 71-vertical rod, 72-cross rod, 8-adjustable jacking, 9-upper structure beam plate, 10-heavy object, 11-jacking batten and 12-protection cushion block.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. The technical contents and features of the present invention will be described in detail below with reference to the accompanying drawings by way of examples. It should be further noted that the drawings are in simplified form and are not to precise scale, and are provided for the purpose of facilitating and clearly explaining the embodiments of the present invention. For convenience of description, the directions of "up" and "down" in the following description are the same as the directions of "up" and "down" in the drawings, but this should not be construed as limiting the technical solution of the present invention.
Referring to fig. 1, the embodiment provides a bottom plate and pit supporting system for a top-down construction method, which includes a supporting frame 7, a pit template and an adjustable top support 8, wherein the pit template includes a bottom template 3 and a plurality of vertical templates 4, the bottom template 3 and the plurality of vertical templates 4 are respectively disposed at the bottom and the periphery of a bottom plate pit 2 formed by binding steel bars of a bottom plate 1, the adjacent vertical templates 4 are hermetically connected, the lower ends of the vertical templates 4 are respectively and vertically connected to the periphery of the bottom template 3 in a sealing manner, a plurality of longitudinal battens 5 are disposed at intervals on the side of the bottom template 3 away from the steel bars of the bottom plate 1, a plurality of vertical battens 6 are respectively disposed at intervals on the side of the vertical template 4 away from the steel bars of the bottom plate 1, the bottom of the supporting frame 7 is disposed on the longitudinal battens 5 in the pit template, the top of the supporting frame 7 is supported on the bottom surface of an upper-layer structural beam plate 9 which is constructed in advance by the top-down construction method through the adjustable top-down construction method, and a heavy object 10 for back pressure is arranged on the top surface of the upper-layer structural beam plate 9 corresponding to the support frame 7.
The utility model provides a bottom plate well hole formwork system of reverse construction method, including support frame 7, well hole template and adjustable top support 8, the well hole template includes bottom template 3 and a plurality of vertical template 4, bottom template 3 and a plurality of vertical template 4 set up respectively in bottom and all around of bottom plate well hole 2 that bottom plate 1 reinforcement formed, and adjacent vertical template 4 is sealed and connected, and the lower extreme of vertical template 4 seals respectively and connects perpendicularly around bottom template 3, the interval is equipped with a plurality of vertical battens 5 on the side of bottom template 3 that keeps away from bottom plate 1 reinforcing bar, the interval is equipped with a plurality of vertical battens 6 respectively on the side of vertical template 4 that keeps away from bottom plate 1 reinforcing bar, the bottom of support frame 7 sets up on the vertical battens 5 in the well hole template, the top of support frame 7 supports on the bottom surface of upper structure beam board 9 through the contrary construction method of doing things in advance through adjustable top support 8, the position, corresponding to the support frame 7, on the top surface of the upper-layer structural beam plate 9 is provided with the weight 10 for back pressure, the upper-layer structural beam plate 9 which is constructed by the reverse construction method is used for supporting the support frame 7 of the lower well opening template, the problems that the carrying difficulty of the weight 10 for hanging the template in the reverse construction pit is high, the hidden danger of back pressure of the weight 10 is high are solved, and labor and cost are saved.
Through actual engineering test, the utility model provides a reverse construction method bottom plate well hole formwork system has braced system light and fast convenient, takes and tears the convenience open, has solved the reverse construction pit and has hung the big problem of the mould heavy object transport degree of difficulty, and in addition, concrete placement accomplishes that the shaping is effectual after tearing the mould open, practices thrift labour and cost.
Preferably, in the above-mentioned formwork system for a bottom plate shaft hole of a reverse construction method, the support frame 7 is formed by connecting the vertical rod 71, the horizontal rod 72 and the vertical rod by using steel pipe fasteners, which not only facilitates the construction of the support frame 7, but also has the advantage of stable support.
Preferably, in the above-mentioned reverse-construction-method bottom-plate manhole formwork system, the adjustable jacking brackets 8 are respectively arranged on the tops of the vertical rods 71 of the supporting frames 7.
Preferably, in the above-mentioned formwork system for a bottom plate and a shaft hole of a reverse construction method, the adjustable jacking 8 is supported on the bottom surface of the upper structural beam plate 9 through a jacking batten 11, and the bottom surface of the upper structural beam plate 9 is protected by arranging the jacking batten 11.
Preferably, in the above-mentioned formwork system for a bottom plate shaft hole of a reverse construction method, a plurality of protective cushion blocks 12 are respectively arranged between the bottom formwork 3 and the bottom plate shaft hole 2 at intervals, and a concrete protective layer of the bottom plate 1 can be ensured by arranging the protective cushion blocks 12.
Preferably, in the above-mentioned formwork system for a bottom plate and a shaft hole of a top-down construction method, a plurality of protective cushion blocks 12 are arranged between the vertical formwork 4 and the bottom shaft hole 2 at intervals, and a concrete protective layer of the bottom plate 1 can be ensured by arranging the protective cushion blocks 12.
Referring to fig. 1, a construction method of a bottom plate shaft hole formwork supporting system of the embodiment is as follows:
and step 1, binding reinforcing steel bars of the bottom plate 1 to form a bottom plate well hole 2.
And 3, arranging a support frame 7 in the bottom plate well 2, wherein the bottom of the support frame 7 is arranged on a longitudinal batten 5 in the well template, and the top of the support frame 7 is supported on the bottom surface of an upper-layer structural beam plate 9 which is constructed in advance by a reverse construction method through an adjustable jacking 8. The supporting frame 7 can be always supported on the bottom surface of the upper-layer structural beam plate 9 by arranging the adjustable jacking 8.
And 4, carrying out counter pressure on the weight 10 on the upper-layer structural beam plate 9 according to the depth of the bottom plate well 2 and the thickness of the bottom plate 1. Through setting up heavy object 10 back pressure support frame 7 on upper structure beam slab 9, can prevent that well hole template and support frame 7 from floating when pouring the construction, ensure that the degree of depth of well hole construction satisfies the requirement.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (6)
1. A bottom plate and well hole formwork supporting system for a reverse construction method is characterized by comprising a supporting frame, well hole formworks and an adjustable jacking, wherein each well hole formwork comprises a bottom formwork and a plurality of vertical formworks, the bottom formworks and the vertical formworks are respectively arranged at the bottom and the periphery of a bottom plate well hole formed by binding bottom plate reinforcing steel bars, the adjacent vertical formworks are connected in a sealing manner, the lower ends of the vertical formworks are respectively connected to the periphery of the bottom formwork in a sealing manner, a plurality of longitudinal battens are arranged on the side, away from the bottom plate reinforcing steel bars, of the bottom formwork at intervals, a plurality of vertical battens are respectively arranged on the side, away from the bottom plate reinforcing steel bars, of the vertical formworks at intervals, the bottom of the supporting frame is arranged on the longitudinal battens in the well hole formworks, the top of the supporting frame is supported on the bottom surface of an upper-layer structural beam plate which is constructed in advance through the reverse construction method through the adjustable jacking, and a heavy object for back pressure is arranged on the top surface of the upper-layer structural beam plate corresponding to the support frame.
2. The reverse construction method bottom plate manhole formwork system of claim 1, wherein the support frame is formed by connecting vertical rods, horizontal rods and vertical rods by steel pipe fasteners.
3. The reverse construction method bottom plate manhole formwork system of claim 2, wherein the adjustable jacking devices are respectively arranged on the tops of the vertical rods of the supporting frame.
4. The reverse construction method bottom plate manhole formwork system of claim 1, wherein the adjustable jacking is supported on the bottom surface of the upper structural beam plate by jacking battens.
5. The reverse construction method bottom plate well hole formwork system of claim 1, wherein a plurality of protective cushion blocks are respectively arranged between the bottom formwork and the bottom plate well hole at intervals.
6. The reverse construction method bottom plate and well hole formwork system of claim 1, wherein a plurality of protective cushion blocks are arranged between the vertical formwork and the bottom well hole at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022571382.7U CN214169145U (en) | 2020-11-09 | 2020-11-09 | Reverse construction method bottom plate well hole formwork system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022571382.7U CN214169145U (en) | 2020-11-09 | 2020-11-09 | Reverse construction method bottom plate well hole formwork system |
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| Publication Number | Publication Date |
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| CN214169145U true CN214169145U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022571382.7U Active CN214169145U (en) | 2020-11-09 | 2020-11-09 | Reverse construction method bottom plate well hole formwork system |
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| CN (1) | CN214169145U (en) |
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