CN114775692B - Reinforcing structure and reinforcing method for pavement around inspection well - Google Patents
Reinforcing structure and reinforcing method for pavement around inspection well Download PDFInfo
- Publication number
- CN114775692B CN114775692B CN202210468502.1A CN202210468502A CN114775692B CN 114775692 B CN114775692 B CN 114775692B CN 202210468502 A CN202210468502 A CN 202210468502A CN 114775692 B CN114775692 B CN 114775692B
- Authority
- CN
- China
- Prior art keywords
- pavement
- shaft
- well
- casing
- steel bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/16—Reinforcements
- E01C11/18—Reinforcements for cement concrete pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Road Repair (AREA)
Abstract
The application relates to a surrounding pavement reinforcing structure of an inspection well and a reinforcing method, and belongs to the technical field of pavement reinforcement; the connecting steel bars are paved in the pavement around the inspection well, one ends of the connecting steel bars are fixedly welded on the periphery of the shaft casing, the pavement around the inspection well comprises an inner pavement and an outer pavement, the inner pavement is close to the shaft, the outer pavement is arranged on one side, far away from the shaft, of the inner pavement, the connecting steel bars are paved in the inner pavement, and one end, far away from the shaft casing, of the connecting steel bars extends to the outer pavement. The method and the device solve the technical problem that when the road surface driving load around the inspection well is large, damage and collapse are easy to occur.
Description
Technical Field
The application relates to the technical field of pavement reinforcement, in particular to a pavement reinforcement structure around an inspection well and a reinforcement method.
Background
The inspection well is arranged for the maintenance of power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. The device is generally arranged at the junction of pipelines, at the turning position, at the position of pipe diameter or gradient change and at certain intervals on the straight pipe section, so that the device is convenient for periodically checking auxiliary structures.
The inspection well generally comprises a well chamber poured underground, a shaft is built on the well chamber and communicated with the well chamber, an operator can enter and exit the inspection well through the shaft, a well seat is arranged on the top end face of the shaft, and a well cover is arranged on the well seat.
At present, due to the existence of the inspection well, when the driving load of the road surface around the inspection well is large, the road surface around the inspection well is easy to damage and collapse.
Disclosure of Invention
In order to solve the technical problem that when the road surface driving load around the inspection well is large, the road surface around the inspection well is easy to damage and collapse, the application provides a reinforcement structure and a reinforcement method for the road surface around the inspection well.
In a first aspect, the application provides a pavement reinforcing structure around inspection shaft, adopts following technical scheme:
the utility model provides a road surface reinforced structure around inspection shaft, includes pit shaft casing and connecting reinforcement, pit shaft casing fixed connection is on the well seat, pit shaft casing sets up in the pit shaft, and pit shaft casing outer peripheral face with pit shaft inner wall butt; the connecting steel bars are paved in the pavement around the inspection well, and one ends of the connecting steel bars are fixedly welded on the outer circumferential surface of the shaft casing.
By adopting the technical scheme, the shaft protection barrel is arranged on the well seat and is arranged in the shaft, so that the shaft protection barrel plays a supporting role on the shaft, the damage to the shaft structure is avoided, the shaft can play a supporting role on the pavement around the inspection well, the reinforcement role on the pavement around the inspection well is realized, and the pavement collapse is avoided; and connect the connecting reinforcement on the pit shaft protects the section of thick bamboo, when the road surface on around the inspection shaft is loaded greatly, the connecting reinforcement has the trend of bending downwards to the connecting reinforcement produces pulling force to the pit shaft protects the section of thick bamboo, and the pulling force direction is outside towards the pit shaft, thereby makes the pit shaft protect the section of thick bamboo installation more firm, and improves the pit shaft and protects the supporting role of section of thick bamboo to the pit shaft, further strengthened the reinforcement effect to the road surface around the inspection shaft.
Optionally, the pavement around the inspection shaft comprises an inner pavement and an outer pavement, the inner pavement is close to the shaft, the outer pavement is arranged on one side of the inner pavement away from the shaft, the connecting steel bars are paved in the inner pavement, and one end of the connecting steel bars away from the shaft casing extends into the outer pavement.
By adopting the technical scheme, the road surface around the inspection well is divided into the inner road surface and the outer road surface, and when the running load on the outer road surface is large, the influence on the inner road surface is avoided, so that the inspection well is protected.
Optionally, a joint between the inner road surface and the outer road surface is filled with a binder.
Through adopting above-mentioned technical scheme, the binder makes inboard road surface and outside road surface flexonics, and when the traffic load was great on the road surface of outside, the binder can produce slight deformation to reduce the influence of outside road surface to inboard road surface, and then reduce the influence of inspection shaft road surface to the pit shaft around.
Optionally, a plurality of supporting rods are fixedly arranged in the shaft casing, and two ends of each supporting rod are fixedly connected to the inner wall of the shaft casing respectively.
Through adopting above-mentioned technical scheme, the bracing piece plays the supporting role to the pit shaft casing, strengthens the structural strength of pit shaft casing to the bracing piece can be as personnel business turn over inspection shaft's handle of marking time.
Optionally, the supporting rods are provided with two rows, and the two rows of supporting rods are respectively arranged at two sides of the shaft casing axis.
Through adopting above-mentioned technical scheme, the bracing piece symmetry sets up, improves the reinforcing effect of bracing piece to the pit shaft casing.
Optionally, the wellbore casing extends to an end of the wellbore remote from the well base.
Optionally, a tension rope is fixedly connected between the shaft casing and the well chamber of the inspection well.
Through adopting above-mentioned technical scheme, stretch-draw rope is with the pit shaft casing with the well room is connected, makes the pit shaft casing installation more firm, improves the pit shaft and protects the effect of casing to the pit shaft.
Optionally, a casing is fixedly connected between the well chamber and the wellbore, and the tensioning rope is arranged in the casing in a penetrating manner.
By adopting the technical scheme, through setting up the sleeve pipe, be convenient for wear to establish between well room and pit shaft and stretch the stay cord.
In a second aspect, the present application provides a method for reinforcing a pavement around an inspection well, which adopts the following technical scheme:
a method of reinforcing a pavement around an inspection well, comprising the steps of:
s1, embedding a sleeve on the top surface of a well chamber when pouring the well chamber, obliquely arranging the sleeve, embedding the sleeve into a shaft of an inspection well when building the shaft, communicating the well chamber with the shaft, and then penetrating a tension rope into the sleeve;
s2, welding a shaft casing on the bottom surface of the well seat, installing the well seat, enabling the shaft casing to penetrate into the shaft, enabling the outer peripheral surface of the shaft casing to prop against the inner wall of the shaft, enabling one end of a tensioning rope to penetrate into the shaft casing, tensioning the tensioning rope, and enabling the tensioning rope to be tensioned;
s3, paving connecting steel bars before pavement pouring, penetrating one ends of the connecting steel bars through a shaft to be arranged on the peripheral wall of the shaft casing, and then welding and fixing the connecting steel bars and the shaft casing;
s4, pouring the pavement around the inspection well after the connection reinforcing steel bars are paved, pouring the pavement around the inspection well twice, firstly pouring the pavement on the inner side, then pouring the pavement on the outer side, and extending one end of the connection reinforcing steel bars, which is far away from the shaft casing, into the pavement on the outer side; and a joint is reserved between the inner pavement and the outer pavement, and after pouring of the inner pavement and the outer pavement is completed, adhesive is filled in the joint.
By adopting the technical scheme, the construction method is simple and is convenient for workers to operate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the shaft protection barrel is arranged on the well seat and is arranged in the shaft, so that the shaft protection barrel plays a supporting role on the shaft, the damage to the shaft structure is avoided, the shaft can play a supporting role on the road surface around the inspection well, the reinforcement effect on the road surface around the inspection well is achieved, and the collapse of the road surface is avoided; when the travelling load on the pavement around the inspection well is large, the connecting steel bars have a downward bending tendency, so that the connecting steel bars pull the wellbore casing, and the pulling direction faces out of the wellbore, the wellbore casing is more stably installed, the supporting effect of the wellbore casing on the wellbore is improved, and the reinforcing effect on the pavement around the inspection well is further enhanced;
2. the road surface around the inspection well is divided into an inner road surface and an outer road surface, and when the running load on the outer road surface is large, the influence on the inner road surface is avoided, so that the inspection well is protected;
3. zhang Lasheng the shaft casing is connected with the well chamber, so that the shaft casing is more firmly installed, and the supporting effect of the shaft casing on the shaft is improved.
Drawings
Fig. 1 is a schematic cross-sectional structure of an embodiment of the present application.
Fig. 2 is an enlarged partial schematic view of the portion a in fig. 1.
In the figure, 1, an inspection well; 11. a well chamber; 12. a wellbore; 13. a well base; 2. a shaft casing; 3. connecting steel bars; 4. pavement around the inspection well; 41. an inner road surface; 42. an outer road surface; 5. zhang Lasheng; 51. a sleeve; 6. a binder; 7. and (5) supporting the rod.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a pavement reinforcing structure around inspection shaft.
Referring to fig. 1 and 2, a manhole-surrounding pavement reinforcing structure includes a shaft casing 2, zhang Lasheng, a connection bar 3, and a manhole-surrounding pavement 4.
The shaft casing 2 is a cylindrical steel plate, one end of the shaft casing 2 is fixedly connected to the bottom surface of the well seat 13, the shaft casing 2 is arranged in the shaft 12 in a penetrating mode, the outer wall of the shaft casing 2 is in contact with the inner wall of the shaft 12, and one end, away from the well seat 13, of the shaft casing 2 extends to one end, away from the well seat 13, of the shaft 12. The shaft casing 2 plays a supporting role on the shaft 12, avoids the damage to the structure of the shaft 12 caused by larger driving load on the road surface 4 around the inspection well, further avoids the collapse of the road surface 4 around the inspection well, and plays a reinforcing role on the road surface 4 around the inspection well.
A plurality of sleeves 51 are connected between the well chamber 11 and the well bore 12, the sleeves 51 are uniformly arranged along the circumferential direction of the well bore 12 at intervals, tension ropes 5 are arranged in the sleeves 51 in a penetrating manner, one ends of the tension ropes 5 penetrate into the well chamber 11, the other ends of the Zhang Lasheng extend through the peripheral wall of the well bore casing 2 and are positioned in the well bore 12, the two ends of the tension ropes 5 are respectively tensioned, the well bore casing 2 is connected with the well chamber 11 through Zhang Lasheng, and the well bore casing 2 is tensioned, so that the supporting effect of the well bore casing 2 on the well bore 12 is improved.
The road surface 4 around the inspection shaft includes inboard road surface 41 and outside road surface 42, inboard road surface 41 pours around inspection shaft 1, outside road surface 42 pours in inboard road surface 41 and keeps away from one side of inspection shaft 1, reserve the seam between inboard road surface 41 and the outside road surface 42, it has binder 6 to fill in the seam, binder 6 can select asphalt rubber joint compound, binder is with inboard road surface 41 and outside road surface 42 flexonics, when the driving load is great on outside road surface 42, can produce deformation in the seam crossing, reduce the influence of driving load to inboard road surface 41, avoid squeezing pit shaft 12, thereby play the reinforcement effect to road surface 4 around the inspection shaft.
The connecting steel bars 3 are paved on the inner pavement 41, the connecting steel bars 3 are horizontally arranged, one ends of the connecting steel bars 3 are fixedly connected to the shaft casing 2, and the other ends extend into the outer pavement 42; when the driving load is large on the inner pavement 41, the driving load generates downward acting force on the inner pavement 41, the connecting steel bars 3 have downward bending trend, so that the connecting steel bars 3 generate pulling force on the shaft casing 2, the pulling force direction faces the outer side of the shaft 12, the supporting effect of the shaft casing 2 on the shaft 12 is improved, the shaft 12 is prevented from being damaged, and the pavement 4 around the inspection well is prevented from collapsing.
Still install many spinal branch vaulting poles 7 in the pit shaft casing 2, the both ends of bracing piece 7 are fixed welding respectively on the inner wall of pit shaft casing 2, and many spinal branch vaulting poles 7 set up into two and are listed as, and two prop up vaulting poles 7 and set up respectively in the both sides of pit shaft casing 2 axis, many spinal branch vaulting poles 7 in every row evenly set up along vertical direction interval, and bracing piece 7 sets up along the horizontal direction, bracing piece 7 can play the supporting role to pit shaft casing 2, strengthen the structural strength of pit shaft casing 2, and can be used as the handle of marking time that supplies personnel business turn over inspection shaft 1.
The embodiment of the application also discloses a method for reinforcing the pavement around the inspection well, which comprises the following steps:
s1, when a well chamber 11 is poured, sleeves 51 are pre-embedded in the well chamber 11, a plurality of sleeves 51 are arranged, and the sleeves 51 are uniformly arranged along the circumferential direction of a shaft 12 at intervals; then, the well bore 12 is laid, and when the well bore 12 is laid, one end of the sleeve 51 away from the well chamber 11 is laid in the peripheral wall of the well bore 12, and the sleeve 51 communicates the well chamber 11 with the well bore 12.
S2, welding a shaft casing 2 on the bottom surface of a shaft seat 13, installing the shaft seat 13 on the top end surface of a shaft 12, enabling the shaft casing 2 to be penetrated into the shaft 12, enabling the outer wall of the shaft casing 2 to be abutted against the inner wall of the shaft 12, enabling a stretching rope 5 to be penetrated into a sleeve 51, enabling one end of the Zhang Lasheng 5 to be located in a well chamber 11, enabling the other end of the Zhang Lasheng to be located in the shaft casing 2, installing locks at two ends of the stretching rope 5, and stretching the stretching rope 5.
S3, before pouring the pavement 4 around the inspection well, paving the connecting steel bars 3 around the inspection well 1, forming corresponding holes in the shaft casing 2, penetrating one ends of the connecting steel bars 3 into the holes, welding, and fixedly connecting one ends of the connecting steel bars 3 on the shaft casing 2.
S4, pouring a pavement 4 around the inspection well after the connection reinforcing steel bars 3 are paved, pouring the pavement 4 around the inspection well twice, firstly pouring an inner pavement 41 around the inspection well 1, then pouring an outer pavement 42, and extending one end of the connection reinforcing steel bars 3 far away from the shaft casing 2 into the outer pavement 42; a joint is reserved between the inner pavement 41 and the outer pavement 42, and asphalt rubber joint compound is filled in the joint after pouring of the inner pavement 41 and the outer pavement 42 is completed.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. The utility model provides a road surface reinforced structure around inspection shaft which characterized in that: the well casing comprises a well casing body (2) and connecting steel bars (3), wherein the well casing body (2) is fixedly connected to a well seat (13), the well casing body (2) is arranged in a well bore (12), and the peripheral surface of the well casing body (2) is abutted to the inner wall of the well bore (12); the connecting steel bars (3) are paved in a pavement (4) around the inspection well, and one ends of the connecting steel bars are fixedly welded on the outer peripheral surface of the shaft casing (2); the surrounding pavement (4) of the inspection well comprises an inner pavement (41) and an outer pavement (42), wherein the inner pavement (41) is close to the shaft (12), the outer pavement (42) is arranged on one side, far away from the shaft (12), of the inner pavement (41), the connecting steel bars (3) are paved in the inner pavement (41), and one end, far away from the shaft casing (2), of the connecting steel bars (3) extends into the outer pavement (42); a joint between the inner road surface (41) and the outer road surface (42) is filled with a binder (6); a tensioning rope (5) is fixedly connected between the shaft casing (2) and a well chamber (11) of the inspection well (1); a casing (51) is fixedly connected between the well chamber (11) and the well bore (12), and the tensioning rope (5) is arranged in the casing (51) in a penetrating mode.
2. A manhole surrounding roadway reinforcement structure as claimed in claim 1, wherein: a plurality of supporting rods (7) are fixedly arranged in the shaft casing (2), and two ends of the supporting rods (7) are fixedly connected to the inner wall of the shaft casing (2) respectively.
3. A manhole surrounding roadway reinforcement structure as claimed in claim 2, wherein: the support rods (7) are arranged in two rows, and the two rows of support rods (7) are respectively arranged on two sides of the axis of the shaft casing (2).
4. A manhole surrounding roadway reinforcement structure as claimed in claim 1, wherein: the wellbore casing (2) extends to an end of the wellbore (12) remote from the well base (13).
5. A method of reinforcing a pavement reinforcing structure around an inspection well according to any one of claims 1-4, wherein: the method comprises the following steps:
s1, embedding a sleeve (51) on the top surface of a well chamber (11) when pouring the well chamber (11), obliquely arranging the sleeve (51), embedding the sleeve (51) into a shaft (12) of an inspection well (1) when building the shaft (12), enabling the well chamber (11) to be communicated with the shaft (12), and then penetrating a tensioning rope (5) in the sleeve (51);
s2, welding a shaft casing (2) on the bottom surface of a well seat (13), then installing the well seat (13), enabling the shaft casing (2) to be penetrated into a shaft (12), enabling the outer peripheral surface of the shaft casing (2) to prop against the inner wall of the shaft (12), enabling one end of a tensioning rope (5) to be penetrated into the shaft casing (2), tensioning the tensioning rope (5), and tensioning Zhang Lasheng (5);
s3, paving connecting steel bars (3) before pouring a pavement, arranging one end of each connecting steel bar (3) on the peripheral wall of the corresponding shaft casing (2) through the shaft (12), and then welding and fixing the connecting steel bars (3) and the corresponding shaft casing (2);
s4, pouring a pavement (4) around the inspection well after the connection steel bars (3) are paved, pouring the pavement (4) around the inspection well twice, firstly pouring an inner pavement (41), then pouring an outer pavement (42), and extending one end, far away from the shaft casing (2), of the connection steel bars (3) into the outer pavement (42); and a joint is reserved between the inner pavement (41) and the outer pavement (42), and after pouring of the inner pavement (41) and the outer pavement (42) is completed, the joint is filled with a binder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210468502.1A CN114775692B (en) | 2022-04-29 | 2022-04-29 | Reinforcing structure and reinforcing method for pavement around inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210468502.1A CN114775692B (en) | 2022-04-29 | 2022-04-29 | Reinforcing structure and reinforcing method for pavement around inspection well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114775692A CN114775692A (en) | 2022-07-22 |
| CN114775692B true CN114775692B (en) | 2023-08-01 |
Family
ID=82434622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210468502.1A Active CN114775692B (en) | 2022-04-29 | 2022-04-29 | Reinforcing structure and reinforcing method for pavement around inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114775692B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288414B (en) * | 2022-09-13 | 2023-09-01 | 中国建筑第八工程局有限公司 | Construction method of hydraulic climbing operation frame of super high-rise core tube special-shaped shaft |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101002718B1 (en) * | 2010-05-04 | 2010-12-21 | 바스코코리아(주) | Connection part construction method of concrete pavement road and asphalt pavement road and the connection material |
| CN202730798U (en) * | 2011-12-30 | 2013-02-13 | 中交第三公路工程局有限公司 | Inspection well |
| JP6183869B2 (en) * | 2016-03-29 | 2017-08-23 | 株式会社アイビルド | Manhole renewal method and manhole new construction method |
| CN207760883U (en) * | 2017-11-09 | 2018-08-24 | 陆顺华 | A kind of municipal works inspection shaft |
| CN110042868B (en) * | 2019-05-14 | 2023-12-29 | 中建五局土木工程有限公司 | Anti-jump inspection well and construction method thereof |
| CN215290266U (en) * | 2021-01-18 | 2021-12-24 | 河南惠洁新型建材科技有限公司 | Municipal administration mud inspection shaft |
| CN214994089U (en) * | 2021-05-07 | 2021-12-03 | 中建七局交通建设有限公司 | Inspection well protection device |
-
2022
- 2022-04-29 CN CN202210468502.1A patent/CN114775692B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114775692A (en) | 2022-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11274412B2 (en) | Reinforcement structures for tensionless concrete pier foundations and methods of constructing the same | |
| CN108442232B (en) | Assembled steel temporary bridge structure and construction method thereof | |
| CN106049679A (en) | Super high-rise steel reinforced concrete framework core barrel structural system and construction method | |
| CN114775692B (en) | Reinforcing structure and reinforcing method for pavement around inspection well | |
| KR100926173B1 (en) | Piping structure and method for constructing the same | |
| CN110939455B (en) | Construction method of tunnel portal structure | |
| CN105220714A (en) | Core compound prestress pile tube float Structure construction method filled with by built-in anchor cable | |
| CN107542086B (en) | Anchor cable construction method for filling slope | |
| CN116856932B (en) | Large-diameter prestress assembly vertical shaft structure containing glass fiber rib part and construction method | |
| CN110629792B (en) | Splicing construction method for corrugated steel pipe gallery | |
| CN110685234B (en) | Construction method of corrugated steel pipe culvert | |
| CN102828506A (en) | Ultra-deep large-section square supporting pile and construction method thereof | |
| CN210263026U (en) | Anti structure that floats of hole-forming bored concrete pile steel sleeve is protected to mud dado of going out terrace | |
| KR101165451B1 (en) | Pillar foundation structure of street facility and construction method thereof | |
| CN109057169B (en) | Steel bar connecting structure of prefabricated cement component | |
| CN110565550A (en) | Assembly type self-draining pipe culvert and assembly method thereof | |
| CN206457838U (en) | A kind of assembling type base for power transmission tower | |
| CN213016369U (en) | Transverse elliptical deformation resistant shield tunnel reinforcing structure with embedded steel plates | |
| CN211446640U (en) | Assembled is from water drainage pipe culvert | |
| CN211285692U (en) | Corrugated steel pipe gallery based on prestressed tendons | |
| CN113756554A (en) | Construction platform and construction method for cast-in-place reinforced concrete support cantilever scaffold | |
| CN112160325A (en) | Composite supporting structure for enhancing rigidity of prestressed pipe pile | |
| CN107975057A (en) | Major diameter open caisson water-washed sinking pumping system operating platform and its construction method | |
| US11885092B2 (en) | Reinforcement structures for tensionless concrete pier foundations and methods of constructing the same | |
| CN111244825A (en) | Road-crossing cable laying structure and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |