CN210033430U - A template and braced system for construction of shaft interior wall - Google Patents
A template and braced system for construction of shaft interior wall Download PDFInfo
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- CN210033430U CN210033430U CN201920731266.1U CN201920731266U CN210033430U CN 210033430 U CN210033430 U CN 210033430U CN 201920731266 U CN201920731266 U CN 201920731266U CN 210033430 U CN210033430 U CN 210033430U
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 238000009415 formwork Methods 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000002023 wood Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 8
- 230000009193 crawling Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 241000719178 Carangoides ruber Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
The utility model discloses a template and support system and construction method for shaft lining wall construction, the template and support system comprises a template structure (1) and a support structure (2), the support structure (2) is supported at the inner side of the template structure (1); the supporting structure (2) comprises a cylinder (21) and a support rod (22), the cylinder (21) is arranged at the center of the inner side of the template structure (1), one end of the support rod (22) is supported at the outer side of the cylinder (21), and the other end of the support rod is supported at the inner side of the template structure (1); the outer side of the cylinder (21) is also provided with a ladder stand (211). The utility model is used for big section shaft construction.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to a template and support system for welt construction in shaft.
Background
The shaft is a structure frequently encountered in building construction, the construction of the shaft comprises two steps of tunneling and lining, wherein the lining is an important step for ensuring the structural stability and safety of the shaft when the shaft is used after being built. The vertical shaft construction method comprises a forward construction method and a reverse construction method, wherein a reverse construction method is generally adopted for a deep well with a large section, a section of a foundation pit is excavated in a layering mode, a vertical shaft lining wall structure of the section is constructed and poured after primary lining to form a permanent support, after the concrete of the lining wall is cured to certain strength, the next section of the foundation pit is excavated downwards, primary lining is carried out, a vertical shaft lining wall of the section is constructed and poured, and the steps are repeated from top to bottom until the whole vertical shaft structure is completed at the bottom of the well.
When the existing reverse construction method is used for carrying out shaft lining operation, the outer side of the template is simply supported or supported in a shaft shape through a steel structure, the method has the advantages that the length of the steel structure needed by a deep well with a large section is longer, the requirements on the strength and the rigidity of the template and a supporting system are high, the size of the template and the supporting system is large, the steel consumption is large, the installation and dismantling operation procedures are multiple and inconvenient, the steel structures need to be continuously hoisted in and out in the repeated segmental circulating operation process, the operation is troublesome, the efficiency is low, the manpower is consumed, and the construction period is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem to not enough in the background art, provide a template and support system and construction method for the interior welt construction of shaft.
In order to solve the technical problem, the technical scheme of the utility model is that: a template and support system for the construction of a vertical shaft lining wall comprises a template structure and a support structure, wherein the support structure is supported on the template structure; the supporting structure comprises a cylinder and a support rod, the cylinder is arranged at the center of the outer side of the template structure, one end of the support rod is supported at the outer side of the cylinder, and the other end of the support rod is supported on the template structure; and a ladder stand is further arranged on the outer side of the cylinder.
Further, a plurality of reinforcing rods are radially supported inside the cylinder.
Furthermore, a U-shaped clamping groove is formed in the outer side of the cylinder, and one end of the support rod is fixed on the U-shaped clamping groove; the template structure outside is provided with the screens, the other end of vaulting pole is fixed on the screens that the template structure outside set up.
Furthermore, a plurality of U-shaped clamping grooves are transversely and centrally symmetrically arranged on the outer side of the cylinder, and a plurality of layers are vertically arranged; a ladder stand is arranged between every two adjacent U-shaped clamping grooves in the vertical direction.
Furthermore, a hook is arranged at one end, close to the cylinder, of the support rod, and the support rod can be hung on the cylinder in a storage state.
Furthermore, a standing position and a backrest are arranged on the upper side of the template structure.
Further, the template structure comprises a bottom die and side dies, and the side dies are connected with the bottom die.
Further, the bottom die is a wood template and is provided with a steel bar insertion hole; the side die is a steel template.
Further, the side die comprises standard blocks and wedge blocks, and the standard blocks and the wedge blocks are spliced to form the side die.
The utility model discloses a beneficial effect that template and support system realized mainly has following several points: the supporting structure formed by the cylinders and the support rods is supported in a stable lateral direction, and compared with the existing supporting mode, the mode can shorten the support rods, reduce the steel consumption of the template and a supporting system, avoid fixing the lining wall side template by using split bolts, and enable the erection and the dismantling as well as the hanging-in and hanging-out of the support rods during the shaft operation to be more flexible, convenient and rapid; meanwhile, the operation crawling ladder is further arranged on the outer side of the cylinder, so that an independent crawling ladder does not need to be arranged in the vertical shaft, operation procedures such as assembling, disassembling and hoisting required by independently arranging the crawling ladder are omitted, the operation flow of large-section vertical shaft construction can be simplified, the operation efficiency is improved, and the construction period is shortened.
Drawings
Fig. 1 is a schematic top view of a supporting structure according to one or two embodiments of the present invention;
fig. 2 is a schematic top view of the assembled middle side mold according to the first embodiment or the second embodiment of the present invention;
fig. 3 is a schematic structural view of the installation of the bottom mold in the first or second embodiment of the present invention;
fig. 4 is a schematic structural view of a stay bar according to the first or second embodiment of the present invention;
fig. 5 is a schematic diagram of a transverse cross-sectional structure of the supporting structure and the formwork structure in the first or second embodiment of the present invention;
fig. 6 is a schematic longitudinal sectional structure diagram of the support structure and the formwork structure in the first or second embodiment of the present invention (only the stay bar and the formwork structure on one side of the cylinder are shown, and the stay bar and the formwork structure on the other side are omitted due to the same structure).
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Example one
Referring to fig. 1 to 6, a formwork and support system for constructing a vertical shaft lining wall is mainly used for a large-section vertical shaft. The formwork and support system comprises a formwork structure 1 and a support structure 2, wherein the formwork structure 1 is arranged on the inner side of the vertical shaft in a surrounding mode, so that the inner lining of the vertical shaft can be conveniently poured; the supporting structure 2 is supported on the outer side of the template structure 1, provides lateral supporting force for the template structure 1, and ensures the stability of the template during pouring. The supporting structure 2 comprises a cylinder 21 and a stay bar 22, wherein the cylinder 21 can be made of a steel cylinder with a larger diameter, such as a steel cylinder with a diameter of DN 2000; the brace 22 can be made of steel pipe, such as 48.3 x 3.6 mm diameter steel pipe for scaffolding.
Referring to fig. 1 to 6, when the supporting structure 2 supports the formwork structure 1, the formwork structure 1 is surrounded on the inner side of the shaft to form a cylinder structure, and the cylinder 21 is disposed at the center of the outer side of the formwork structure 1, that is, the circular shaft, the formwork structure 1 and the cylinder 21 of the supporting structure 2 are concentrically disposed from outside to inside. One end of the stay bar 22 is supported outside the cylinder 21, and the other end is supported outside the template structure 1, so that the template structure can be supported in a stable lateral direction through a supporting structure formed by the cylinder 21 and the stay bar 22, and compared with the existing supporting mode, the stay bar can be shortened, the steel consumption of a template and a supporting system is reduced, the use of a split bolt for fixing the side mold 12 is avoided, and the erection and the dismantling as well as the hanging-out and the hanging-in of the stay bar during the shaft operation are more convenient and faster; meanwhile, the outside of the cylinder 21 is also provided with the ladder stand 211, so that an independent operation ladder stand does not need to be arranged in the shaft, and the assembling, disassembling and hoisting operation flows required by independently arranging the ladder stand are omitted, thereby simplifying the operation flow of the large-section deep well construction, improving the operation efficiency and shortening the construction period.
Referring to fig. 1, as a further preferred scheme, a plurality of reinforcing rods 213 are supported in the cylinder 21, the plurality of reinforcing rods 213 may be arranged to form a support with a groined-shaped structure or a m-shaped structure, the plurality of reinforcing rods 213 are radially and radially supported in the cylinder, and a plurality of layers of supports are arranged in the cylinder, so that the formed cylinder structure has stronger radial strength and rigidity, and can provide stronger supporting force. The reinforcing bar 213 may be a steel pipe for scaffolding having a diameter of 48.3X 3.6 and welded to the inner wall of the cylinder. The crawling ladder 211 can be bent into a U shape by phi 22 steel bars, and is sequentially welded on the outer wall of the steel cylinder along the vertical direction of the cylinder 21 to be used as a construction operation crawling ladder; the two sides of the ladder stand can be connected by vertical steel bars, so that the bearing capacity of the ladder stand is ensured. The width of the ladder stand can be set to be 50cm, and the ladder step interval is 30-40 cm.
Referring to fig. 1, the stay 22 may be fixed to the outer side of the cylinder 21 by a common fixing structure such as a circular hole, and this embodiment provides a preferable mode, the outer side of the cylinder 21 is provided with a U-shaped slot 212, the U-shaped slot 212 is disposed with an opening facing upward, and one end of the stay 22 may be fixed to the U-shaped slot 212. The template structure 1 is provided with screens 123 in the outside, screens 123 can set up to U-shaped draw-in groove or blind hole structure, the other end of vaulting pole 22 is fixed on the screens. The length of the brace 22 is preferably arranged to be slightly greater than the horizontal radial spacing of the side mould 12 from the cylinder 21, for example about 20mm greater than the horizontal radial spacing of the side mould 12 from the cylinder 21, so that the brace 22 can be normally braced between the side mould 12 and the cylinder 21 more tightly.
Referring to fig. 1, 5 and 6, a plurality of U-shaped slots 212 are transversely and centrally symmetrically arranged in multiple layers vertically outside the cylinder 21, so that a predetermined fixed stay 22 can be installed, and a stable supporting force is provided for the side mold 12. In this embodiment, 12U-shaped slots 212 are horizontally arranged, and 4 layers are vertically arranged, but in practice, other numbers of U-shaped slots may be provided. The reinforcing rod 213 is preferably arranged corresponding to the U-shaped clamping groove 212 in the cylinder, and is also transversely provided with a plurality of layers and vertically arranged multiple layers, so that the U-shaped clamping grooves can be supported by the cylinder abutted to the inner side of each U-shaped clamping groove 212, the cylinder is not easy to deform when the supporting rod is fixed at the U-shaped clamping groove 212, and the supporting force is stronger. A ladder stand 211 is arranged between every two adjacent U-shaped clamping grooves 212 in the vertical direction, so that the vertical operation is more convenient, a plurality of people can operate at different positions on the periphery of the cylinder at the same time, and the operation efficiency is higher.
Referring to fig. 4, the hooks 221 are arranged at one ends of the support rods 22 close to the cylinder 21, so that when the cylinder 21 and the support rods 22 need to be hung into the shaft or hung out of the shaft, the support rods 22 can be hung on the cylinder 21 through the hooks 221 and hung in or hung out along with the cylinder, the support rods 22 are directly taken down from the cylinder for installation during installation, workers only need to take down the support rods to hang on the cylinder during disassembly, operation is convenient, the support rods do not need to be hung independently, and construction efficiency can be further improved.
Referring to fig. 2 and 3, the formwork structure 1 includes a bottom formwork 11 and side formworks 12, and the side formworks 12 are coupled to the bottom formwork 11. The bottom die needs to be punched 111 for the vertical steel bars of the steel reinforcement cage to penetrate out, and the wood structure is convenient to assemble, so that the bottom die 11 preferably adopts a wood template. The side form 12 may be a steel form. The side form 12 is preferably formed by splicing a plurality of form structures to form a cylinder, so that the weight of a single form is reduced, and the hoisting is convenient. Each template of concatenation formation cylindrical side mould 12 can set up to the structure of the same size shape, provides a more preferred mode in this embodiment, the side mould 12 includes a plurality of great standard blocks 121 of area and two less wedge blocks 122 of area, and the transverse section of standard block 121 is the arc, can assemble each standard plate 121 earlier during the installation, assembles wedge plate 122 at last, and is easier when assembling like this, and the reverse goes on when demolising. In this embodiment, the standard block 121 and the wedge block 122 are both provided with U-shaped slots, so that the U-shaped slots are relatively dense near the wedge block 122, so that the U-shaped slots are not completely distributed in central symmetry, but are still distributed on the cylinder in central symmetry on the whole; in practice, the U-shaped clamping grooves can be completely distributed in a central symmetry manner.
Referring to fig. 6, a standing position 13 and a backrest 14 are arranged on the outer side of a side mold 12 of the formwork structure 1, so that workers can stand conveniently during construction, and the construction safety is ensured.
Example two
Referring to fig. 1 to 6, a method for constructing a shaft lining wall by using a formwork and support system according to an embodiment includes five steps, which are the installation of a formwork structure, the installation of a support structure, the pouring of lining wall concrete, the removal of the support structure, and the removal of the formwork structure in sequence, and is specifically described in steps below.
And (3) installing a template structure: the shaft foundation pit is excavated in sections, in this embodiment, 3m is excavated as one section, and in practice, the excavation can be selected according to actual needs. After one section of the vertical shaft foundation pit is dug in place, firstly drilling a hole in the side wall of the bottom of the foundation pit and anchoring a support rod 3, wherein channel steel can be used as the support rod 3, and a vertical steel stool is arranged at the cantilever end of the support rod; a steel bar jack is arranged on the bottom die 11, and the bottom die 11 is arranged on the support rod 3; then, a plurality of support ribs 5 are anchored on the side wall of the upper part of the shaft pit, so that the side mold can be conveniently supported on the outer side of the side mold in the follow-up process; and finally, hoisting the steel reinforcement cage in pieces, installing the side die 12, supporting the lower part of the side die 12 on the bottom die 11, supporting the inner side of the side die 12 by the support rib 5, and installing the standard block 121 and the wedge block 122 at last when the side die 12 is spliced and installed. Therefore, the template structure is completely installed, and a supporting system can be further installed.
Mounting a supporting structure: firstly, hanging each support rod 22 on the side wall of the cylinder 21 through a hook 221, and hoisting the cylinder 21 and the support rods 22 into the shaft at one time; and then the cylinder 21 is fixed at the center of the bottom of the shaft, a worker stands through the crawling ladders at each position, one end of the stay bar 22 is propped against the clamping position on the outer side of the side mold 12, the other end of the stay bar 22 is clamped into the U-shaped clamping groove 212, the length of the stay bar 22 is slightly larger than the horizontal radial distance between the side mold 12 and the cylinder 21, the stay bar 22 is supported more tightly, and the template structure is not easy to deform. Thus, the installation of the supporting structure is completed, and the concrete pouring operation of the inner lining wall can be carried out in the next step.
Pouring concrete of the inner lining wall: when the concrete is poured, workers stand on the standing positions 13 of the side molds and lean against the backrest 14, and pouring is conducted layer by layer from bottom to top through pouring holes reserved in the side molds. After the concrete pouring is finished, the operation of dismantling the support system 1 can be carried out after the concrete of the shaft lining wall 4 reaches the specified strength value.
Dismantling the supporting structure: before the support system is dismantled, the side mold 12 is hung on a hanging ring pre-buried at the upper part of the vertical shaft through a steel rope; when in dismantling, each brace 22 is dismantled and hung on the side wall of the cylinder 21 through the hook 221, and the cylinder 21 and the brace 22 are lifted out of the shaft at one time. After the support system is dismantled, the formwork structure can be dismantled after the concrete of the interior lining wall 4 completely reaches the specified strength value.
Dismantling the template structure: when the side die 12 is disassembled, the wedge block 122 is disassembled first, and then the standard block 121 is disassembled; finally, the bottom die 11 and the support rod 3 are removed. The detached side die 12 is hung in the original position of a hanging ring pre-embedded in the upper part of the shaft through a steel rope, is not hung out of the shaft and is used for the next section of construction.
After the construction of one section of lining wall in the shaft is completed by the construction method, the next section of foundation pit is continuously excavated, then the construction of the lining wall of the section is carried out, and the steps are sequentially circulated until the construction of the whole shaft is completed.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a template and braced system for construction of welt in shaft which characterized in that: the formwork structure comprises a formwork structure (1) and a supporting structure (2), wherein the supporting structure (2) is supported on the formwork structure (1); the supporting structure (2) comprises a cylinder (21) and a support rod (22), the cylinder (21) is arranged at the center of the outer side of the template structure (1), one end of the support rod (22) is supported at the outer side of the cylinder (21), and the other end of the support rod is supported on the template structure (1); the outer side of the cylinder (21) is also provided with a ladder stand (211).
2. The form and support system for use in shaft lining wall construction according to claim 1, wherein: a plurality of reinforcing rods (213) are radially supported inside the cylinder (21).
3. The formwork and support system for shaft liner construction according to claim 2, wherein: a U-shaped clamping groove (212) is formed in the outer side of the cylinder (21), and one end of the support rod (22) is fixed on the U-shaped clamping groove (212); the template structure (1) outside is provided with the screens, the other end of vaulting pole (22) is fixed on the screens that the template structure (1) outside set up.
4. The formwork and support system for shaft liner construction according to claim 3, wherein: a plurality of U-shaped clamping grooves (212) are transversely and symmetrically distributed at the center outside the cylinder (21) and are vertically arranged in multiple layers; a ladder (211) is arranged between every two adjacent U-shaped clamping grooves (212) in the vertical direction.
5. The formwork and support system for shaft lining wall construction according to any one of claims 1 to 4, wherein: one end of the support rod (22) close to the cylinder (21) is provided with a hook (221), and the support rod (22) can be hung on the cylinder (21) in a storage state.
6. The form and support system for use in shaft lining wall construction according to claim 5, wherein: the template structure (1) is provided with a standing position (13) and a backrest (14).
7. The form and support system for use in shaft lining wall construction according to claim 6, wherein: the template structure (1) comprises a bottom die (11) and a side die (12), wherein the side die (12) is connected with the bottom die (11).
8. The form and support system for use in shaft lining wall construction according to claim 7, wherein: the bottom die (11) is a wood template and is provided with a steel bar insertion hole (111); the side die (12) is a steel template.
9. The form and support system for use in shaft lining wall construction according to claim 8, wherein: the side die (12) comprises a standard block (121) and a wedge block (122), and the standard block (121) and the wedge block (122) are spliced to form the side die (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731266.1U CN210033430U (en) | 2019-05-21 | 2019-05-21 | A template and braced system for construction of shaft interior wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731266.1U CN210033430U (en) | 2019-05-21 | 2019-05-21 | A template and braced system for construction of shaft interior wall |
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| Publication Number | Publication Date |
|---|---|
| CN210033430U true CN210033430U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920731266.1U Expired - Fee Related CN210033430U (en) | 2019-05-21 | 2019-05-21 | A template and braced system for construction of shaft interior wall |
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| CN (1) | CN210033430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056358A (en) * | 2019-05-21 | 2019-07-26 | 惠州市水电建筑工程有限公司 | A kind of template and support system and construction method for the construction of vertical shaft inwall |
-
2019
- 2019-05-21 CN CN201920731266.1U patent/CN210033430U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056358A (en) * | 2019-05-21 | 2019-07-26 | 惠州市水电建筑工程有限公司 | A kind of template and support system and construction method for the construction of vertical shaft inwall |
| CN110056358B (en) * | 2019-05-21 | 2024-02-13 | 惠州市水电建筑工程有限公司 | Template and supporting system for shaft lining wall construction and construction method |
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Granted publication date: 20200207 |