CN115142356A - Construction method of bent cap without support - Google Patents
Construction method of bent cap without support Download PDFInfo
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- CN115142356A CN115142356A CN202210942679.0A CN202210942679A CN115142356A CN 115142356 A CN115142356 A CN 115142356A CN 202210942679 A CN202210942679 A CN 202210942679A CN 115142356 A CN115142356 A CN 115142356A
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- side wall
- bent cap
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- hoop
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention relates to the technical field of bridge construction, and particularly discloses a capping beam support-free construction method which comprises the following specific steps: s1, erecting a pier column, namely erecting the pier column after surveying the geological condition; s2, installing the hoop supporting device, namely installing the hoop supporting device on the pier stud, installing the bent cap template on the hoop supporting device, and supporting the bent cap template through the hoop supporting device, so that the problem that a large amount of manpower and material resources are consumed for treating the foundation when the bent cap template is supported through a support method is avoided; s3, pouring concrete, namely pouring the prefabricated concrete into the bent cap template to form a bent cap; s4, dismantling the hoop supporting device, namely dismantling the bent cap template and the hoop supporting device from the pier stud after the bent cap is solidified and formed on the pier stud; support the bent cap template through setting up staple bolt strutting arrangement, reduced and carried out the trouble that supports to the bent cap template through setting up the support on ground, reduced the input of manpower and materials in the bent cap work progress.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a cover beam support-free construction method.
Background
The bent cap of bridge is the connecting elements who is used for connecting pier stud and bridge box girder, has the key effect, carries out the work of pouring of bridge bent cap again after the work of pouring of accomplishing the pier stud, need set up the bent cap template on the pier stud in the construction process of pouring of bridge bent cap for pour the shaping and go out the bent cap, the setting up of bent cap template then need support the bent cap template through setting up supporting platform.
Support is supported the bent cap template through setting up the support on ground mostly in the work progress of bent cap among the prior art, but support the bent cap template through the support method and require highly to the bearing capacity of ground, still need pour the concrete terrace when the construction on soft soil foundation, need consume more manpower and materials to the processing of ground, required support figure is also more when the pier stud is higher, the installation of support is wasted time and energy.
Disclosure of Invention
The application provides a capping beam support-free construction method which has the advantages that a hoop supporting device is arranged on a pier column to support a capping beam template, the trouble that a foundation needs to be treated when the capping beam is supported by arranging a support is avoided, and the investment of manpower and material resources in the capping beam construction process is reduced.
The application provides a bent cap support-free construction method, which adopts the following technical scheme:
the construction method of the bent cap without the bracket comprises the following specific steps:
s1, erecting a pier column, namely surveying the geological condition, selecting the position where the pier column is set, and erecting the pier column at the selected position;
s2, installing the hoop supporting device, namely installing the hoop supporting device on the outer surface of the pier stud, then installing the bent cap template on the hoop supporting device, and supporting the bent cap template through the hoop supporting device, so that the problem that a lot of manpower and material resources are consumed for treating a foundation when the bent cap template is supported through a support method is avoided, and the overall efficiency of bent cap construction is improved;
s3, pouring concrete, namely pouring the prefabricated concrete into the bent cap template to form a bent cap;
and S4, disassembling the hoop supporting device, namely disassembling the capping beam template and the hoop supporting device from the pier column after the capping beam is solidified and molded on the pier column, and further completing the construction work of the capping beam.
Preferably, the hoop supporting device comprises a pair of first hoops and a pair of second hoops which are arranged on the outer side wall of the pier column; a pair of supporting plates are arranged at the tops of the first hoops; a plurality of I-shaped steel bars are arranged at the tops of the pair of supporting plates; the bent cap templates are arranged at the tops of the I-shaped steels; the tops of the second hoops are hinged with a pair of connecting rods; the end parts of the pair of connecting rods, which are far away from the second hoop, are hinged with the bottom of the supporting plate; and the top of the first hoop is provided with a jacking mechanism capable of pushing the supporting plate to ascend.
Through adopting above-mentioned technical scheme, install first staple bolt on the pier stud lateral wall, the frictional force effect through between first staple bolt and the pier stud lateral wall makes first staple bolt remain stable on the pier stud, install backup pad and I-steel at first staple bolt top after that and realize the support to the bent cap template, setting through second staple bolt and bracing piece carries out the auxiliary stay to the backup pad, promote the stability of bent cap template on the pier stud, avoided needing to set up the trouble that the support carries out the support to the bent cap template on ground, and adjust the height that the bent cap template was located through the climbing mechanism that sets up, the trouble that the position that has reduced the first staple bolt of needs comes to adjust the height that the bent cap template was located through installing again.
Preferably, the jacking mechanism comprises a pair of jacks; the pair of jacks is fixedly connected to the top of the first hoop, and the output ends of the jacks are in contact with the bottom of the supporting plate; a pair of T-shaped grooves are formed at the bottoms of the pair of supporting plates; a T-shaped block is connected inside the pair of T-shaped grooves in a sliding manner; the end part of the connecting rod, which is far away from the second hoop, is hinged with the bottom of the T-shaped block.
Through adopting above-mentioned technical scheme, when highly adjusting the bent cap template and locating, jack through setting up at first staple bolt top carries out the jacking to suitable height to the backup pad, and the backup pad in-process that rises drives the connecting rod and swings, and then drives the T-shaped piece and slide along T-slot inside wall, rises to suitable high back when the backup pad, supports the backup pad under the cooperation work of first staple bolt, second staple bolt and connecting rod to the realization is to the support of bent cap template.
Preferably, the tops of the pair of supporting plates are provided with grooves; a buffer rubber block is fixedly connected to the inner side wall of the bottom end of the groove; the top of the buffer rubber block is provided with a sliding plate; the sliding plate is in sliding fit with the inner side wall of the groove; the I-steel is installed at the top of the sliding plate.
Through adopting above-mentioned technical scheme, when pouring the concrete in to the bent cap template, the concrete of pouring can produce the impact to the bent cap template, the impact force passes through the I-steel and transmits to the slide, make the slide along recess gliding extrusion cushion rubber piece, cushion rubber piece receives the compression deformation back and cushions the impact force, thereby cushion first staple bolt and the impact that the second staple bolt receives, make first staple bolt and second staple bolt be difficult for producing when pouring the concrete in to the bent cap template and slide.
Preferably, a buffer mechanism is arranged in the groove; the buffer mechanism comprises a straight rod; the straight rod is fixedly connected to the inner side wall of the groove, and a buffer block is sleeved outside the straight rod; the buffer block is in sliding fit with the inner side wall of the bottom end of the groove, and the top of the buffer block is hinged with a swing rod; the end part of the swing rod, which is far away from the buffer block, is hinged with the bottom of the sliding plate; a first spring is arranged outside the straight rod; first spring one end is connected with the buffer block lateral wall, and the tip that the buffer block was kept away from to first spring is connected with the recess inside wall.
Through adopting above-mentioned technical scheme, the slide drives the pendulum rod swing under the in-process that slides, and the pendulum rod swing in-process promotes the buffer block and slides along the straight-bar lateral wall for the first spring of buffer block extrusion is out of shape, and the kinetic energy that first spring produced the slide by the impact turns into the elastic potential energy of self, has further promoted the buffering effect to the impact force effect, has reduced the gliding possibility of first staple bolt and second staple bolt when concreting.
Preferably, a pair of limiting grooves is formed in the inner side wall, far away from the groove; and a limiting block matched with the limiting groove is fixedly connected to the side wall, close to the limiting groove, of the sliding plate.
Through adopting above-mentioned technical scheme, move down in-process stopper that the slide gradually moves down along with the slide in step, the slide stops moving down when stopper bottom and spacing groove bottom inside wall contact, carries on spacingly to the slide through the cooperation of stopper and spacing groove for the slide is difficult for excessively moving down.
Preferably, a sliding groove is formed in each pair of the first hoops; a clamping block is connected inside the sliding chute in a sliding manner; the side wall of the clamping block close to the pier stud is provided with a concave surface matched with the outer side wall of the pier stud, and the side wall of the clamping block far away from the pier stud is connected with a second spring; the side wall of the second spring, which is far away from the clamping block, is connected with the inner side wall of the chute; the concave surface is in contact with the outer side wall of the pier stud.
Through adopting above-mentioned technical scheme, the cambered surface of grip block lateral wall keeps the parallel and level with first staple bolt spout place lateral wall under the spring action of first spring, and after installing first staple bolt fastening on the pier stud lateral wall, first staple bolt is close to the lateral wall and the closely laminating of pier stud surface of pier stud, and the frictional force effect through first staple bolt and pier stud surface makes first staple bolt can stable installation on the lateral wall of pier stud.
Preferably, the side wall of the sliding groove, which is far away from the pier stud, is provided with a threaded hole; a threaded rod is connected with the inner thread of the threaded hole; the end part of the threaded rod close to the clamping block is in contact with the side wall of the clamping block far away from the concave surface.
Through adopting above-mentioned technical scheme, installing first staple bolt rotatory threaded rod on the pier stud lateral wall, the tip of threaded rod promotes the grip block and slides towards the direction that is close to the pier stud lateral wall to make the grip block extrude the pier stud lateral wall, promote the grip effect of grip block to the pier stud lateral wall, make to the inside concreting of bent cap template make the difficult production of first staple bolt slide, help keeping the stability of first staple bolt on the pier stud lateral wall.
Preferably, a first rubber sheet is fixedly connected to the side wall of the concave surface.
Through adopting above-mentioned technical scheme, the first sheet rubber that sets up on the concave surface of grip block has increased the frictional force at grip block and pier stud lateral wall contact position, promotes the centre gripping effect of power grip block, and then has promoted the stability of first staple bolt on the pier stud lateral wall for first staple bolt is difficult to take place to slide when the pressurized is used.
Preferably, a second rubber sheet is fixedly connected to the side wall of the second hoop, which is in contact with the pier stud.
Through adopting above-mentioned technical scheme, set up the frictional force between second staple bolt and the pier stud lateral wall of second sheet rubber increase on the lateral wall of second staple bolt and pier stud contact for the second staple bolt is difficult for taking place to slide after receiving the pressure effect, has promoted the stability of second staple bolt on the pier stud lateral wall.
In summary, the present application has the following beneficial effects:
1. the first anchor ear and the second anchor ear are respectively hooped on the outer side wall of the pier stud, and the end parts, close to each other, of the two first anchor ears and the end parts, close to each other, of the two second anchor ears are locked through the first fastening bolt pieces and the second fastening bolt pieces, so that the first anchor ear and the second anchor ear are fixed on the outer side wall of the pier stud; the I-shaped steel is arranged on the top of the sliding plate, and then the bent cap template is arranged on the top of the I-shaped steel, so that the bent cap template is arranged on the pier stud, the connecting rod arranged on the top of the second hoop is used for supporting the supporting plate, and the bent cap template is integrally supported by the friction force between the first hoop, the second hoop and the outer side wall of the pier stud, so that the trouble of supporting the bent cap template by arranging a support on the ground is avoided, the trouble of treating a foundation when the bent cap template is supported is reduced, and the flexibility when the bent cap template is supported is improved;
2. when the first anchor ear is installed on the outer side wall of the pier stud, the threaded rod is rotated, so that the end part of the threaded rod, which is in contact with the clamping block, extrudes the clamping block to slide towards the direction close to the pier stud and extrude the pier stud, the clamping block clamps the outer side wall of the pier stud, the first rubber pad arranged on the concave surface of the clamping block is pressed to deform and tightly cling to the outer side wall of the pier stud, the friction force of the contact part of the clamping block and the outer side wall of the pier stud is increased, the stability of the first anchor ear on the outer side wall of the pier stud is further improved, the first anchor ear is not easy to slide when being acted by pressure, and the stability of the cover beam template after installation is improved;
3. when concrete is poured into the bent cap template, the concrete poured into the bent cap template exerts the impact force on the bottom of the bent cap template, the impact force is transmitted to the sliding plate through the I-steel, the sliding plate slides down along the groove to extrude the buffer rubber block, the buffer rubber block is subjected to compression deformation to buffer the impact force, in the sliding plate sliding process, the sliding plate drives the swing rod to swing, the swing rod pushes the buffer block to extrude the first spring to be compressed and deformed, the kinetic energy generated by the impact on the sliding plate is converted into the elastic potential energy of the first spring through the first spring, the impact on the first anchor ear and the second anchor ear is buffered through the matching action of the buffer rubber block and the first spring, and the first anchor ear and the second anchor ear are not prone to sliding when the concrete is poured.
Drawings
Fig. 1 is a schematic structural diagram of a hoop supporting device in the present application;
FIG. 2 is a schematic cross-sectional view of the hoop supporting device of the present application;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is a schematic cross-sectional view of the first hoop in the present application.
Description of reference numerals: 1. pier studs; 2. a capping beam template; 3. a first hoop; 31. a chute; 311. a clamping block; 312. a concave surface; 313. a second spring; 314. a first rubber sheet; 32. a threaded hole; 321. a threaded rod; 322. a handle; 33. a first connection portion; 34. a first fastening bolt member; 4. a second hoop; 41. a connecting rod; 42. a second rubber sheet; 43. a second connecting portion; 44. a second fastening bolt member; 5. a support plate; 51. a T-shaped slot; 52. a T-shaped block; 53. a groove; 531. a buffer rubber block; 532. a slide plate; 533. a limiting block; 54. a limiting groove; 6. i-shaped steel; 7. a jacking mechanism; 71. a jack; 8. a buffer mechanism; 81. a straight rod; 82. a buffer block; 83. a swing rod; 84. a first spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front," "rear," "left," "right," "upper," "lower," "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The invention discloses a construction method of a bent cap without a support, which comprises the following specific steps:
s1, erecting a pier column 1, namely surveying the geological condition, selecting a position where the pier column 1 is arranged, and erecting the pier column 1 at the selected position;
s2, installing the hoop supporting device, namely installing the hoop supporting device on the outer surface of the pier stud 1, then installing the bent cap template 2 on the hoop supporting device, and supporting the bent cap template 2 through the hoop supporting device, so that the problem that a lot of manpower and material resources are consumed for treating a foundation when the bent cap template 2 is supported through a support method is avoided, and the overall efficiency of bent cap construction is improved;
s3, pouring concrete, namely pouring the prefabricated concrete into the bent cap template 2 to form a bent cap;
and S4, disassembling the hoop supporting device, namely disassembling the capping beam template 2 and the hoop supporting device from the pier stud 1 after the capping beam is solidified and molded on the pier stud 1, and further completing the construction work of the capping beam.
As shown in fig. 1, the hoop supporting device includes a pair of first hoops 3, a pair of second hoops 4, a pair of supporting plates 5 and a plurality of i-beams 6; a pair of first anchor ears 3 are hooped on the outer side wall of the pier stud 1, the first anchor ears 3 are U-shaped, first connecting parts 33 are arranged at two ends of the first anchor ears 3, and the first connecting parts 33, which are close to each other, of the pair of first anchor ears 3 are fixed through first fastening bolt pieces 34; a pair of supporting plates 5 are respectively arranged at the tops of the pair of first hoops 3, and a plurality of I-shaped steel 6 are arranged at the tops of the supporting plates 5; the pair of second hoops 4 are hooped on the outer side wall of the pier stud 1, the second hoops 4 are U-shaped, the two ends of the second hoops 4 are provided with second connecting parts 43, the second connecting parts 43, close to each other, of the pair of second hoops 4 are fixed through second fastening bolt pieces 44, the tops of the second hoops 4 are hinged with a pair of second connecting rods 41, and the end parts, far away from the second hoops 4, of the pair of second connecting rods 41 are hinged with the bottoms of the supporting plates 5; the bent cap template 2 is arranged on the top of the I-shaped steel 6.
When the erection work of the bent cap formwork 2 on the pier stud 1 is carried out, the first anchor ear 3 and the second anchor ear 4 are respectively hooped on the outer side wall of the pier stud 1, the end parts, close to each other, of the two first anchor ears 3 and the end parts, close to each other, of the two second anchor ears 4 are locked through the first fastening bolt pieces 34 and the second fastening bolt pieces 44, and the first anchor ears 3 and the second anchor ears 4 are fixed on the outer side wall of the pier stud 1; place I-steel 6 at slide 532 top, install bent cap template 2 at I-steel 6 top again, realize the installation of bent cap template 2 on pier stud 1, the connecting rod 41 that the 4 top of second staple bolt set up is used for supporting backup pad 5, through first staple bolt 3, the frictional force effect between second staple bolt 4 and the pier stud 1 lateral wall is whole to be supported bent cap template 2, thereby avoided carrying out the trouble of supporting bent cap template 2 through setting up the support on ground, the trouble of handling the ground when supporting bent cap template 2 has been reduced, the flexibility when supporting bent cap template 2 has been improved.
As shown in fig. 2 and 3, a jacking mechanism 7 capable of pushing the pair of support plates 5 to ascend is arranged at the top of the pair of first hoops 3, and the jacking mechanism 7 comprises a pair of jacks 71 and a pair of T-shaped blocks 52; the pair of jacks 71 are fixedly connected to the output ends of the jacks 71 at the top of the first hoop 3 and are contacted with the bottoms of the supporting plates 5; the bottom of the supporting plate 5 is provided with a pair of T-shaped grooves 51; the pair of T-shaped blocks 52 are respectively connected inside the pair of T-shaped grooves 51 in a sliding manner, the bottoms of the pair of T-shaped blocks 52 penetrate through the T-shaped grooves 51 and extend out of the bottom of the supporting plate 5, and the ends, far away from the second hoop 4, of the pair of connecting rods 41 are respectively hinged with the ends, extending out of the bottom of the supporting plate 5, of the pair of T-shaped blocks 52.
The jack 71 arranged at the top of the first hoop 3 is used for jacking the support plate 5, the connecting rod 41 at the top of the second hoop 4 swings in the lifting process of the support plate 5 to drive the T-shaped block 52 to slide along the T-shaped groove 51, and after the support plate 5 is lifted to a proper position, the jack 71 and the connecting rod 41 are used for supporting the support plate 5, so that the support plate 5 is kept stable, and the trouble that the height of the support plate 5 is adjusted by adjusting the position of the first hoop 3 after the first hoop 3 is detached is avoided;
as shown in fig. 2 and 3, a pair of support plates 5 are provided with a groove 53 at the top; a buffer rubber block 531 is fixedly connected to the inner side wall of the bottom end of the groove 53; a sliding plate 532 is arranged at the top of the buffer rubber block 531; the sliding plate 532 is in sliding fit with the inner side wall of the groove 53; the I-shaped steel 6 is arranged at the top of the sliding plate 532, a pair of buffer mechanisms 8 are arranged in the groove 53, and each pair of buffer mechanisms 8 comprises a pair of straight rods 81, a pair of buffer blocks 82, a pair of swing rods 83 and a pair of first springs 84; a pair of straight rods 81 are respectively fixedly connected to the inner side walls far away from the grooves 53; a pair of buffer blocks 82 are respectively sleeved on the outer side walls of the pair of straight rods 81, the buffer blocks 82 are in sliding fit with the inner side walls at the bottom ends of the grooves 53, one ends of a pair of swing rods 83 are respectively hinged to the tops of the pair of buffer blocks 82, and the end parts, far away from the buffer blocks 82, of the pair of swing rods 83 are hinged to the bottom of the sliding plate 532; the pair of first springs 84 are respectively sleeved outside the pair of first straight rods 81, one ends of the pair of first springs 84 are respectively fixedly connected to the far outer side walls of the pair of buffer blocks 82, and the ends of the pair of second springs 313 far from the buffer blocks 82 are respectively fixedly connected to the inner side walls of the grooves 53 where the straight rods 81 are located.
When concrete is poured, the poured concrete can generate an impact force effect on the I-steel 6, the impact force is transmitted to the sliding plate 532 through the I-steel 6, so that the sliding plate 532 slides downwards along the groove 53 to extrude the buffer rubber block 531, the buffer rubber block 531 is deformed by compression to buffer the impact force, the sliding plate 532 drives the swing rod 83 to swing in the sliding process, the swing rod 83 pushes the buffer block 82 to slide along the outer side wall of the straight rod 81, the buffer block 82 extrudes the first spring 84 to deform by compression, the kinetic energy generated by the impact on the sliding plate 532 is converted into the elastic potential energy of the first spring 84 through the first spring 84, and the impact force is buffered through the cooperation of the buffer rubber block 531 and the first spring 84, so that the first anchor ear 3 and the second anchor ear 4 are kept stable on the pier stud 1 and are not easy to slide in the concrete pouring process.
As shown in fig. 2 and 4, a pair of limiting grooves 54 are formed on the inner side wall of the groove 53 away from the groove; a limiting block 533 matched with the limiting groove 54 is fixedly connected to the side wall of the sliding plate 532 close to the limiting groove 54; when the sliding plate 532 gradually moves downwards, the limiting block 533 moves downwards along with the sliding plate 532 synchronously, when the bottom of the limiting block 533 is in contact with the inner side wall of the bottom end of the limiting groove 54, the sliding plate 532 stops moving downwards, and the sliding plate 532 is limited by the matching action of the limiting block 533 and the limiting groove 54, so that the sliding plate 532 is not prone to excessive downward movement.
As shown in fig. 5, a sliding groove 31 is provided inside the pair of first anchor ears 3; a clamping block 311 is connected inside the sliding chute 31 in a sliding manner; the side wall of the clamping block 311 close to the pier stud 1 is provided with a concave surface 312 matched with the outer side wall of the pier stud 1, and the side wall of the clamping block 311 far away from the pier stud 1 is fixedly connected with a second spring 313; the side wall of the second spring 313 far away from the clamping block 311 is fixedly connected with the inner side wall of the sliding chute 31; a first rubber sheet 314 is fixedly connected to the side wall of the concave surface 312; a threaded hole 32 is formed in the side wall of the sliding groove 31 far away from the pier stud 1; a threaded rod 321 is connected with the threaded hole 32 in a threaded manner; the end of the threaded rod 321 close to the clamping block 311 is in contact with the side wall of the clamping block 311 far from the concave surface 312, the end of the threaded rod 321 far from the clamping block 311 extends out of the threaded hole 32, and the end of the threaded rod 321 extending out of the threaded hole 32 is fixedly connected with a handle 322.
Make the tip extrusion grip block 311 of threaded rod 321 and grip block 311 contact slide and extrude pier stud 1 towards the direction that is close to pier stud 1 through rotating handle 322, make grip block 311 press from both sides tight pier stud 1 lateral wall, the first rubber pad that sets up on grip block 311 concave surface 312 hugs closely 1 lateral wall of pier stud after the compressive deformation, the frictional force at grip block 311 and 1 lateral wall contact site of pier stud has been increased, the stability of first staple bolt 3 on 1 lateral wall of pier stud has been promoted, make first staple bolt 3 difficult production when the compressive force is used slide.
As shown in fig. 1, a second rubber sheet 42 is fixedly connected to the side wall of the pair of second anchor ears 4 contacting with the pier stud 1; through setting up the frictional force between second staple bolt 4 and the pier stud 1 lateral wall of second sheet rubber 42 increase for second staple bolt 4 is difficult for taking place to slide after receiving the pressure effect, has promoted the stability of second staple bolt 4 on pier stud 1 lateral wall.
The working principle is as follows: the first anchor ear 3 and the second anchor ear 4 are respectively hooped on the outer side wall of the pier stud 1, and the end parts of the two first anchor ears 3 close to each other and the end parts of the two second anchor ears 4 close to each other are locked through the first fastening bolt piece 34 and the second fastening bolt piece 44, so that the first anchor ear 3 and the second anchor ear 4 are tightly attached to the outer side wall of the pier stud 1; then, I-shaped steel 6 is placed at the top of a sliding plate 532, the bottom of the I-shaped steel 6 is fixedly connected with the sliding plate 532 through a first screw, a cover beam template 2 is installed at the top of the I-shaped steel 6, the cover beam template 2 is fixedly connected with the top of the I-shaped steel 6 through a second screw, and therefore the cover beam template 2 is installed on a pier stud 1, a connecting rod 41 arranged at the top of a second hoop 4 is used for supporting a supporting plate 5, and the cover beam template 2 is integrally supported through the friction force between the first hoop 3, the second hoop 4 and the outer side wall of the pier stud 1, so that the trouble of supporting the cover beam template 2 through arranging a support on the ground is avoided, the trouble of processing a foundation when the cover beam template 2 is supported is reduced, and the flexibility when the cover beam template 2 is supported is improved; the second rubber pad arranged on the inner side wall of the second hoop 4 increases the friction force of the contact part of the second hoop 4 and the outer side wall of the pier stud 1, and improves the mounting stability of the second hoop 4 on the outer side wall of the pier stud 1, so that the second hoop 4 is not easy to slide under pressure; when the first hoop 3 is installed on the outer side wall of the pier stud 1, the threaded rod 321 is rotated, so that the end part of the threaded rod 321, which is in contact with the clamping block 311, extrudes the clamping block 311 to slide towards the direction close to the pier stud 1 and extrude the pier stud 1, the clamping block 311 clamps the outer side wall of the pier stud 1, the first rubber pad arranged on the concave surface 312 of the clamping block 311 is pressed to deform and tightly cling to the outer side wall of the pier stud 1, the friction force of the contact part of the clamping block 311 and the outer side wall of the pier stud 1 is increased, the stability of the first hoop 3 on the outer side wall of the pier stud 1 is further improved, the first hoop 3 is not easy to slide under the action of the pressure, and the stability of the installed cover beam template 2 is improved; when the height of the bent cap formwork 2 needs to be adjusted after the bent cap formwork 2 is installed, the supporting plate 5 is jacked through the jack 71 arranged at the top of the first hoop 3, the connecting rod 41 at the top of the second hoop 4 swings in the process of lifting the supporting plate 5, the T-shaped block 52 is driven to slide along the T-shaped groove 51, and after the supporting plate 5 is lifted to a proper position, the supporting plate 5 is supported through the jack 71 and the connecting rod 41, so that the supporting plate 5 and the bent cap formwork 2 are kept stable; when concrete is poured into the bent cap formwork 2, the concrete poured into the bent cap formwork 2 exerts an impact force on the bottom of the bent cap formwork 2, the impact force is transmitted to the sliding plate 532 through the I-steel 6, the sliding plate 532 slides down along the groove 53 to extrude the buffer rubber block 531, the buffer rubber block 531 is compressed and deformed to buffer the impact force, in the sliding process of the sliding plate 532, the sliding plate 532 drives the swing rod 83 to swing, the swing rod 83 pushes the buffer block 82 to slide along the outer side wall of the straight rod 81 in the swinging process, the buffer block 82 extrudes the first spring 84 to be compressed and deformed, kinetic energy generated by impact on the sliding plate 532 is converted into elastic potential energy of the first spring 84 through the first spring 84, the impact on the first anchor ear 3 and the second anchor ear 4 is buffered through the cooperation of the buffer rubber block 531 and the first spring 84, the first anchor ear 3 and the second anchor ear 4 are kept stable on the pier 1 and are not prone to slide when the concrete is poured, in the sliding process of the sliding plate 533 and the downward movement distance of the sliding plate 54, and the sliding plate 532 is not prone to limit.
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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The cap beam support-free construction method is characterized in that: the construction method comprises the following specific steps:
s1, erecting a pier column (1), namely surveying the geological condition, selecting the position where the pier column (1) is arranged, and erecting the pier column (1) at the selected position;
s2, installing the hoop supporting device, namely installing the hoop supporting device on the outer surface of the pier stud (1), then installing the bent cap template (2) on the hoop supporting device, and supporting the bent cap template (2) through the hoop supporting device, so that the problem that a large amount of manpower and material resources are consumed for treating the foundation when the bent cap template (2) is supported through a support method is avoided, and the overall efficiency of bent cap construction is improved;
s3, pouring concrete, namely pouring the prefabricated concrete into the bent cap template (2) to form a bent cap;
s4: and (3) disassembling the hoop supporting device, namely disassembling the capping beam template (2) and the hoop supporting device from the pier column (1) after the capping beam is solidified and molded on the pier column (1), and further completing the construction work of the capping beam.
2. The capping beam stentless construction method of claim 1, wherein: the hoop supporting device comprises a pair of first hoops (3) and a pair of second hoops (4) which are arranged on the outer side wall of the pier stud (1); a pair of support plates (5) are mounted at the tops of the first hoops (3); a plurality of I-shaped steel bars (6) are mounted at the tops of the pair of supporting plates (5); the bent cap templates (2) are arranged at the tops of the I-shaped steel beams (6); the tops of the second hoops (4) are hinged with a pair of connecting rods (41); the end parts of the pair of connecting rods (41) far away from the second hoop (4) are hinged with the bottom of the supporting plate (5); and the top of the first hoop (3) is provided with a jacking mechanism (7) capable of pushing the support plate (5) to ascend.
3. The capping beam stentless construction method of claim 2, wherein: the jacking mechanism (7) comprises a pair of jacks (71); the pair of jacks (71) is fixedly connected to the top of the first hoop (3), and the output ends of the jacks (71) are in contact with the bottom of the supporting plate (5); a pair of T-shaped grooves (51) are formed at the bottoms of the pair of supporting plates (5); a T-shaped block (52) is connected inside the pair of T-shaped grooves (51) in a sliding way; the end part of the connecting rod (41) far away from the second hoop (4) is hinged with the bottom of the T-shaped block (52).
4. The capping beam stentless construction method of claim 2, wherein: the tops of the pair of supporting plates (5) are provided with grooves (53); a buffer rubber block (531) is fixedly connected to the inner side wall of the bottom end of the groove (53); the top of the buffer rubber block (531) is provided with a sliding plate (532); the sliding plate (532) is in sliding fit with the inner side wall of the groove (53); the I-shaped steel (6) is arranged at the top of the sliding plate (532).
5. The capping beam stentless construction method of claim 4, wherein: a buffer mechanism (8) is arranged in the groove (53); the buffer mechanism (8) comprises a straight rod (81); the straight rod (81) is fixedly connected to the inner side wall of the groove (53), and a buffer block (82) is sleeved outside the straight rod (81); the buffer block (82) is in sliding fit with the inner side wall of the bottom end of the groove (53), and the top of the buffer block (82) is hinged with a swing rod (83); the end part of the swing rod (83) far away from the buffer block (82) is hinged with the bottom of the sliding plate (532); a first spring (84) is arranged outside the straight rod (81); one end of the first spring (84) is connected with the side wall of the buffer block (82), and the end part, far away from the buffer block (82), of the first spring (84) is connected with the inner side wall of the groove (53).
6. The capping beam stentless construction method of claim 5, wherein: a pair of limiting grooves (54) are formed in the inner side wall, far away from the groove (53); and a limiting block (533) matched with the limiting groove (54) is fixedly connected to the side wall of the sliding plate (532) close to the limiting groove (54).
7. The capping beam stentless construction method of claim 2, wherein: a sliding groove (31) is arranged in the first anchor ear (3); a clamping block (311) is connected inside the sliding groove (31) in a sliding manner; a concave surface (312) matched with the outer side wall of the pier stud (1) is arranged on the side wall, close to the pier stud (1), of the clamping block (311), and a second spring (313) is connected to the side wall, far away from the pier stud (1), of the clamping block (311); the side wall of the second spring (313) far away from the clamping block (311) is connected with the inner side wall of the sliding chute (31); the concave surface (312) is contacted with the outer side wall of the pier stud (1).
8. The capping beam stentless construction method of claim 7, wherein: a threaded hole (32) is formed in the side wall, away from the pier stud (1), of the sliding groove (31); a threaded rod (321) is connected with the internal thread of the threaded hole (32); the end part of the threaded rod (321) close to the clamping block (311) is in contact with the side wall of the clamping block (311) far away from the concave surface (312).
9. The capping beam stentless construction method of claim 7, wherein: the side wall of the concave surface (312) is fixedly connected with a first rubber sheet (314).
10. The capping beam stentless construction method of claim 2, wherein: and a second rubber sheet (42) is fixedly connected to the side wall of the second anchor ear (4) contacted with the pier stud (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210942679.0A CN115142356A (en) | 2022-08-08 | 2022-08-08 | Construction method of bent cap without support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210942679.0A CN115142356A (en) | 2022-08-08 | 2022-08-08 | Construction method of bent cap without support |
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| Publication Number | Publication Date |
|---|---|
| CN115142356A true CN115142356A (en) | 2022-10-04 |
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ID=83413994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210942679.0A Withdrawn CN115142356A (en) | 2022-08-08 | 2022-08-08 | Construction method of bent cap without support |
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| Country | Link |
|---|---|
| CN (1) | CN115142356A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497714A (en) * | 2023-05-18 | 2023-07-28 | 菏泽城建工程发展集团有限公司 | Anchor ear for mounting assembled bent cap |
| CN117286803A (en) * | 2023-11-25 | 2023-12-26 | 山西省水利建筑工程局集团有限公司 | Double-hoop hydraulic support system steel mould for single-column bent cap construction |
-
2022
- 2022-08-08 CN CN202210942679.0A patent/CN115142356A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497714A (en) * | 2023-05-18 | 2023-07-28 | 菏泽城建工程发展集团有限公司 | Anchor ear for mounting assembled bent cap |
| CN116497714B (en) * | 2023-05-18 | 2024-01-02 | 菏泽城建工程发展集团有限公司 | Anchor ear for mounting assembled bent cap |
| CN117286803A (en) * | 2023-11-25 | 2023-12-26 | 山西省水利建筑工程局集团有限公司 | Double-hoop hydraulic support system steel mould for single-column bent cap construction |
| CN117286803B (en) * | 2023-11-25 | 2024-02-06 | 山西省水利建筑工程局集团有限公司 | Double-hoop hydraulic support system steel mould for single-column bent cap construction |
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Application publication date: 20221004 |
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