CN114411803A - Construction method for connecting prefabricated hanging plate and retaining wall - Google Patents
Construction method for connecting prefabricated hanging plate and retaining wall Download PDFInfo
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- CN114411803A CN114411803A CN202210099085.8A CN202210099085A CN114411803A CN 114411803 A CN114411803 A CN 114411803A CN 202210099085 A CN202210099085 A CN 202210099085A CN 114411803 A CN114411803 A CN 114411803A
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- hanging plate
- retaining wall
- prefabricated hanging
- prefabricated
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000004567 concrete Substances 0.000 claims description 15
- 238000009415 formwork Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000011083 cement mortar Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses a construction method for connecting a prefabricated hanging plate and a retaining wall, which comprises the retaining wall, the prefabricated hanging plate, a Y-shaped bolt, a circular truncated cone nut, a counter-pulling screw rod, a top steel bracket, a top screw and a bottom steel bracket, wherein the Y-shaped bolt is arranged on the retaining wall; the top of the retaining wall and the top of the prefabricated hanging plate are both pre-embedded with a Y-shaped bolt and a circular truncated cone nut which are connected with each other, a top steel bracket is installed at the top of the retaining wall, the upper end of the top steel bracket is connected with a counter-pull screw rod, and the other end of the counter-pull screw rod is connected with the circular truncated cone nut in the prefabricated hanging plate; the Y-shaped bolt and the round platform nut which are connected with each other are pre-buried in the bottom of the retaining wall, the bottom steel bracket connected with the round platform nut is installed on the outer side of the bottom of the retaining wall, the jackscrew is installed on the bottom steel bracket, and the sleeve shoe matched with the jackscrew is installed at the bottom of the prefabricated hanging plate. The invention adopts tooling facilities such as bolts, jackscrews and the like, can ensure the installation precision of the prefabricated hanging plate and improve the installation quality of the hanging plate.
Description
Technical Field
The invention relates to a construction method for connecting a prefabricated hanging plate and a retaining wall, and belongs to the field of civil engineering installation.
Background
The installation process of the conventional prefabricated hanging plate comprises the following steps:
firstly, the hanging point of the prefabricated hanging plate usually adopts a mode of embedding a hanging ring or reserving a hanging hole. After the prefabricated part is installed, the hoisting ring is cut off or the hoisting hole is blocked by cement mortar, and the cement mortar used for repairing or blocking the hole is difficult to be consistent with the color of the concrete of the original part, so that the appearance and quality of the engineering are influenced.
And secondly, pouring concrete filled between the retaining wall and the prefabricated hanging plate, generally erecting a single-side template, enabling the prefabricated hanging plate to be attached to the inner side of the template, and bearing the lateral pressure of the concrete by virtue of the template and the pull rod. For large steel templates installed on site, particularly for influence of factors such as mold expansion in the concrete pouring process, the deviation of the top elevation and the sideline position is generally about 10mm, and the visual effect of straight sideline is difficult to achieve.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a construction method for connecting a prefabricated hanging plate and a retaining wall, which improves the construction quality of engineering.
In order to achieve the purpose, the construction method for connecting the prefabricated hanging plate and the retaining wall comprises the retaining wall, the prefabricated hanging plate, a Y-shaped bolt, a circular truncated cone nut, a split screw, a top steel bracket, a top screw and a bottom steel bracket;
the top of the retaining wall and the top of the prefabricated hanging plate are both pre-embedded with a Y-shaped bolt and a circular truncated cone nut which are connected with each other, a top steel bracket is installed at the top of the retaining wall, the upper end of the top steel bracket is connected with a counter-pull screw rod, and the other end of the counter-pull screw rod is connected with the circular truncated cone nut in the prefabricated hanging plate;
the bottom of the retaining wall is pre-embedded with a Y-shaped bolt and a circular truncated cone nut which are connected with each other, a bottom steel bracket connected with the circular truncated cone nut is installed on the outer side of the bottom of the retaining wall, a jackscrew is installed on the bottom steel bracket, and a sleeve shoe matched with the jackscrew is installed at the bottom of the prefabricated hanging plate;
the construction method specifically comprises the following construction steps:
s1, removing the formwork of the cast-in-place retaining wall, and after the concrete reaches a preset strength, firstly, using a measuring instrument to discharge the inner side lines of the prefabricated hanging plates on the retaining wall base, measuring the elevation of the supporting surface at the splicing seams of the prefabricated hanging plates, and then sequentially installing limiting angle steel of a bottom opening, a bottom steel corbel and a top steel corbel;
s2, before each prefabricated hanging plate is installed, placing steel base plates with different thicknesses according to the height data of the supporting surface measured in advance, and controlling the installation height of the hanging plate;
s3, before the prefabricated hanging plate is lifted, firstly installing a pair of L-shaped lifting appliances, then lifting the prefabricated hanging plate through lifting rings on the L-shaped lifting appliances and installing the prefabricated hanging plate in place, and after the prefabricated hanging plate is close to an adjacent plate, slowly dropping a hook by a crane to enable the prefabricated hanging plate to be placed on a steel base plate of a retaining wall base;
s4, after the prefabricated hanging plate is in place, firstly removing one L-shaped lifting appliance, replacing a pair of pulling screw rods, connecting the pair of pulling screw rods with a top steel corbel through nuts to enable the prefabricated hanging plate to be in a stable state, then removing the other L-shaped lifting appliance, installing the pair of pulling screw rods for replacement in the same way, withdrawing the crane from working at the moment, and starting fine adjustment of the hanging plate;
s5, jacking the prefabricated hanging plate inwards by using a jackscrew of the bottom steel corbel until the limit angle steel is squeezed tightly, then screwing nuts on the inner side and the outer side of the top steel corbel under the monitoring of a theodolite or a total station, accurately adjusting the position of a top sideline of the prefabricated hanging plate and locking the nuts, and completing the installation and fixation of the prefabricated hanging plate;
and S6, after the prefabricated hanging plate is installed to complete a pouring section, fixing end wood templates by utilizing embedded bars on the retaining wall, and then pouring joint concrete.
Preferably, the top steel corbel is installed on the retaining wall through a bolt assembly, the bolt assembly comprises a bolt and a nut, and the bolt is connected with a circular truncated cone nut embedded in the top of the retaining wall.
Preferably, the upper end of the top steel bracket is connected with the counter-pulling screw rod through two fastening nuts.
Preferably, a washer is installed between the fastening nut and the opposite-pulling screw rod.
Preferably, an embedded steel plate is arranged in the retaining wall, and limiting angle steel is arranged at the bottom of the prefabricated hanging plate and welded with the embedded steel plate.
Preferably, the bottom steel bracket is connected with a circular truncated cone nut embedded at the bottom of the retaining wall through a bolt.
Preferably, a rubber pad is arranged between the prefabricated hanging plate and the sleeve boot.
Compared with the prior art, the construction method for connecting the prefabricated hanging plate and the retaining wall has the following beneficial effects:
1) the installation precision of the prefabricated hanging plate can be guaranteed and the installation quality of the hanging plate is improved by adopting tooling facilities such as bolts and jackscrews.
2) The rigidity of the reinforced concrete prefabricated part is fully utilized, and positioning facilities such as jackscrews, pull rods and the like are adopted, so that the displacement and deformation in the concrete pouring process can be effectively controlled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic view of the installation of a hanger on the prefabricated hanging plate in the invention;
FIG. 5 is a left side view of FIG. 4;
in the figure: 1. retaining wall, 2, prefabricated link plate, 3, Y shape bolt, 4, round platform nut, 5, split screw, 6, gasket, 7, fastening nut, 8, bolt assembly, 9, top steel corbel, 10, pre-buried steel sheet, 11, cover boots, 12, jackscrew, 13, bottom steel corbel, 14, L shape hoist, 15, rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, a connecting structure of a prefabricated hanging plate and a retaining wall comprises a retaining wall 1, a prefabricated hanging plate 2, a Y-shaped bolt 3, a circular truncated cone nut 4, a counter-pull screw 5, a top steel bracket 9, a top thread 12 and a bottom steel bracket 13;
the top parts of the retaining wall 1 and the prefabricated hanging plate 2 are respectively pre-embedded with a Y-shaped bolt 3 and a circular truncated cone nut 4 which are mutually connected, the top part of the retaining wall 1 is provided with a top steel bracket 9, the upper end of the top steel bracket 9 is connected with a counter-pull screw 5, and the other end of the counter-pull screw 5 is connected with the circular truncated cone nut 4 in the prefabricated hanging plate 2; the prefabricated hanging plate 2 is internally embedded with a Y-shaped bolt 3 and a circular truncated cone nut 4, the first function is to provide a mounting hanging point for a prefabricated part, and the second function is to provide an anchoring point for a pull screw rod and bear the action of lateral pressure of joint concrete; the pre-buried interconnect's in bottom Y shape bolt 3 and round platform nut 4 of retaining wall 1, the bottom steel bracket 13 of being connected with round platform nut 4 is installed in the bottom outside of retaining wall 1, install jackscrew 12 on the steel bracket 13 of bottom, the bottom of prefabricated link plate 2 is installed and is worn boots 11 with jackscrew 12 complex, adjusts the front and back position of prefabricated link plate 2 through jackscrew 12 to undertake concrete lateral pressure. After the crack pouring concrete construction is completed, the circular table nut 4 in the retaining wall 1 is dismantled and used in a turnover mode, and the formed hole is sealed by using the same-grade cement mortar.
Preferably, the top steel bracket 9 is mounted on the retaining wall 1 through a bolt assembly 8, the bolt assembly 8 comprises a bolt and a nut, one end of the bolt is connected with the nut, and the other end of the bolt is connected with a circular truncated cone nut 4 embedded in the top of the retaining wall 1.
Preferably, the upper end of the top steel bracket 9 is connected with the counter-pulling screw rod 5 through two fastening nuts 7.
In an embodiment, a washer 6 is preferably installed between the fastening nut 7 and the opposite-pulling screw 5.
Preferably, an embedded steel plate 9 is arranged in the retaining wall 1, a limiting angle steel is arranged at the bottom of the prefabricated hanging plate 2, and the limiting angle steel is welded with the embedded steel plate 9 to limit the position of the bottom opening of the prefabricated hanging plate 2.
Preferably, the bottom steel bracket 13 is connected with the circular truncated cone nut 4 pre-embedded at the bottom of the retaining wall 1 through a bolt, so that the assembly and disassembly are convenient.
Preferably, a rubber pad is arranged between the prefabricated hanging plate 2 and the sleeve boot 11, so that the connection stability is improved.
The specific construction method comprises the following steps:
s1, removing the formwork of the cast-in-place retaining wall, and after the concrete reaches a preset strength, firstly, using a measuring instrument to discharge the inner side lines of the prefabricated hanging plates on the retaining wall base, measuring the elevation of the supporting surface at the splicing seams of the prefabricated hanging plates, and then sequentially installing limiting angle steel of a bottom opening, a bottom steel corbel and a top steel corbel;
s2, before each prefabricated hanging plate is installed, placing steel base plates with different thicknesses according to the height data of the supporting surface measured in advance, and controlling the installation height of the hanging plate;
s3, before hoisting the prefabricated hanging plate, firstly installing a pair of L-shaped lifting appliances 14 (as shown in figures 4 and 5), then hoisting the prefabricated hanging plate through lifting rings 15 on the L-shaped lifting appliances 14 and installing the prefabricated hanging plate in place, and after the prefabricated hanging plate is tightly close to an adjacent plate, slowly dropping hooks by a crane to enable the prefabricated hanging plate to be placed on a steel base plate of a retaining wall base; the problem of hoisting eccentricity can be solved by adopting the L-shaped lifting appliance, and the vertical posture of the component during installation is ensured;
s4, after the prefabricated hanging plate is in place, firstly removing one L-shaped lifting appliance 14, replacing a pair of pulling screw rods, connecting the pair of pulling screw rods with a top steel bracket through nuts to enable the prefabricated hanging plate to be in a stable state, then removing the other L-shaped lifting appliance, installing the pair of pulling screw rods for replacement in the same way, withdrawing the crane from working at the moment, and starting fine adjustment of the hanging plate;
s5, jacking the prefabricated hanging plate inwards by using a jackscrew of the bottom steel corbel until the limit angle steel is squeezed tightly, then screwing nuts on the inner side and the outer side of the top steel corbel under the monitoring of a theodolite (or a total station), accurately adjusting the position of a top sideline of the prefabricated hanging plate, and locking the nuts to finish the installation and fixation of the prefabricated hanging plate;
and S6, after the prefabricated hanging plate is installed to complete a pouring section, fixing end wood templates by utilizing embedded bars on the retaining wall, and then pouring joint concrete.
According to the connecting structure of the prefabricated hanging plate and the retaining wall, tooling facilities such as bolts and jackscrews are adopted, so that the mounting precision of the prefabricated hanging plate can be ensured, and the mounting quality of the hanging plate is improved; the rigidity of the reinforced concrete prefabricated part is fully utilized, and positioning facilities such as jackscrews, pull rods and the like are adopted, so that the displacement and deformation in the concrete pouring process can be effectively controlled; the problems of member hoisting installation, accurate adjustment, temporary supporting and fixing and the like are effectively solved, the hoisting point and the positioning device are combined into a whole, and a good effect is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A construction method for connecting a prefabricated hanging plate and a retaining wall is characterized by comprising the retaining wall, the prefabricated hanging plate, a Y-shaped bolt, a circular truncated cone nut, a split screw, a top steel bracket, a jackscrew and a bottom steel bracket;
the top of the retaining wall and the top of the prefabricated hanging plate are both pre-embedded with a Y-shaped bolt and a circular truncated cone nut which are connected with each other, a top steel bracket is installed at the top of the retaining wall, the upper end of the top steel bracket is connected with a counter-pull screw rod, and the other end of the counter-pull screw rod is connected with the circular truncated cone nut in the prefabricated hanging plate; the bottom of the retaining wall is pre-embedded with a Y-shaped bolt and a circular truncated cone nut which are connected with each other, a bottom steel bracket connected with the circular truncated cone nut is installed on the outer side of the bottom of the retaining wall, a jackscrew is installed on the bottom steel bracket, and a sleeve shoe matched with the jackscrew is installed at the bottom of the prefabricated hanging plate;
the construction method specifically comprises the following construction steps:
s1, removing the formwork of the cast-in-place retaining wall, and after the concrete reaches a preset strength, firstly, using a measuring instrument to discharge the inner side lines of the prefabricated hanging plates on the retaining wall base, measuring the elevation of the supporting surface at the splicing seams of the prefabricated hanging plates, and then sequentially installing limiting angle steel of a bottom opening, a bottom steel corbel and a top steel corbel;
s2, before each prefabricated hanging plate is installed, placing steel base plates with different thicknesses according to the height data of the supporting surface measured in advance, and controlling the installation height of the hanging plate;
s3, before the prefabricated hanging plate is lifted, firstly installing a pair of L-shaped lifting appliances, then lifting the prefabricated hanging plate through lifting rings on the L-shaped lifting appliances and installing the prefabricated hanging plate in place, and after the prefabricated hanging plate is close to an adjacent plate, slowly dropping a hook by a crane to enable the prefabricated hanging plate to be placed on a steel base plate of a retaining wall base;
s4, after the prefabricated hanging plate is in place, firstly removing one L-shaped lifting appliance, replacing a pair of pulling screw rods, connecting the pair of pulling screw rods with a top steel corbel through nuts to enable the prefabricated hanging plate to be in a stable state, then removing the other L-shaped lifting appliance, installing the pair of pulling screw rods for replacement in the same way, withdrawing the crane from working at the moment, and starting fine adjustment of the hanging plate;
s5, jacking the prefabricated hanging plate inwards by using a jackscrew of the bottom steel corbel until the limit angle steel is squeezed tightly, then screwing nuts on the inner side and the outer side of the top steel corbel under the monitoring of a theodolite or a total station, accurately adjusting the position of a top sideline of the prefabricated hanging plate and locking the nuts, and completing the installation and fixation of the prefabricated hanging plate;
and S6, after the prefabricated hanging plate is installed to complete a pouring section, fixing end wood templates by utilizing embedded bars on the retaining wall, and then pouring joint concrete.
2. The construction method for connecting the prefabricated hanging plate and the retaining wall as claimed in claim 1, wherein the top steel corbel is mounted on the retaining wall through a bolt assembly, the bolt assembly comprises a bolt and a nut, and the bolt is connected with a circular truncated cone nut embedded in the top of the retaining wall.
3. A construction method for connecting a precast suspending plate and a retaining wall according to claim 1, wherein the upper end of the top steel bracket is connected with the counter-pulling screw through two fastening nuts.
4. A construction method for connecting a precast suspending plate and a retaining wall according to claim 3, wherein a spacer is installed between the fastening nut and the opposite pulling screw.
5. The construction method for connecting the precast hanging plate and the retaining wall according to claim 1, wherein an embedded steel plate is arranged in the retaining wall, and a limit angle steel is arranged at the bottom of the precast hanging plate and welded with the embedded steel plate.
6. The construction method for connecting the prefabricated hanging plate and the retaining wall according to claim 1, wherein the bottom steel bracket is connected with a circular truncated cone nut embedded at the bottom of the retaining wall through a bolt.
7. The construction method for connecting a precast cladding panel and a retaining wall according to claim 1, wherein a rubber pad is installed between the precast cladding panel and the sleeve shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099085.8A CN114411803B (en) | 2022-01-27 | 2022-01-27 | Construction method for connecting prefabricated hanging plate and retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099085.8A CN114411803B (en) | 2022-01-27 | 2022-01-27 | Construction method for connecting prefabricated hanging plate and retaining wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114411803A true CN114411803A (en) | 2022-04-29 |
| CN114411803B CN114411803B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210099085.8A Active CN114411803B (en) | 2022-01-27 | 2022-01-27 | Construction method for connecting prefabricated hanging plate and retaining wall |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0720326U (en) * | 1993-09-27 | 1995-04-11 | 東北石材ブロック株式会社 | Rear construction assembly Concrete retaining retaining wall |
| KR20130056724A (en) * | 2011-11-22 | 2013-05-30 | (주)지성이씨에스 | Retaining wall with the function of angle adjustmetnt for precast panel and execution method thereof |
| CN103397658A (en) * | 2013-08-13 | 2013-11-20 | 宁波建工股份有限公司 | Single-side support-formwork system backing on brick mixing retaining wall and construction method |
| KR101785677B1 (en) * | 2017-04-15 | 2017-10-17 | 류근호 | Construction method of retaining wall using precast slope panel |
| CN110258627A (en) * | 2019-07-18 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Combined type anchor draws road shoulder retaining wall and its construction method |
| CN212715014U (en) * | 2020-06-24 | 2021-03-16 | 中国电建集团贵阳勘测设计研究院有限公司 | Semi-assembled retaining wall |
-
2022
- 2022-01-27 CN CN202210099085.8A patent/CN114411803B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0720326U (en) * | 1993-09-27 | 1995-04-11 | 東北石材ブロック株式会社 | Rear construction assembly Concrete retaining retaining wall |
| KR20130056724A (en) * | 2011-11-22 | 2013-05-30 | (주)지성이씨에스 | Retaining wall with the function of angle adjustmetnt for precast panel and execution method thereof |
| CN103397658A (en) * | 2013-08-13 | 2013-11-20 | 宁波建工股份有限公司 | Single-side support-formwork system backing on brick mixing retaining wall and construction method |
| KR101785677B1 (en) * | 2017-04-15 | 2017-10-17 | 류근호 | Construction method of retaining wall using precast slope panel |
| CN110258627A (en) * | 2019-07-18 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Combined type anchor draws road shoulder retaining wall and its construction method |
| CN212715014U (en) * | 2020-06-24 | 2021-03-16 | 中国电建集团贵阳勘测设计研究院有限公司 | Semi-assembled retaining wall |
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| CN114411803B (en) | 2024-01-02 |
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