CN110056000B - Construction method and structure of counter weight type retaining wall - Google Patents
Construction method and structure of counter weight type retaining wall Download PDFInfo
- Publication number
- CN110056000B CN110056000B CN201910441828.3A CN201910441828A CN110056000B CN 110056000 B CN110056000 B CN 110056000B CN 201910441828 A CN201910441828 A CN 201910441828A CN 110056000 B CN110056000 B CN 110056000B
- Authority
- CN
- China
- Prior art keywords
- wall
- retaining wall
- lower wall
- balance weight
- construction
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 13
- 239000004575 stone Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 6
- 239000011440 grout Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002689 soil Substances 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
-
- 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
Abstract
The invention discloses a construction method and a construction structure of a balance weight type retaining wall, wherein the construction method comprises the following steps: measuring and positioning, excavating a foundation pit, testing the bearing capacity of a foundation, building a lower wall, building an upper wall, building a counterweight table template, pouring counterweight table concrete and backfilling a roadbed; the lower wall is built by adopting the grouted rubble, and the required embedded connecting steel bars are arranged when the lower wall is built, and extend into the balance weight platform from one side of the steel bars close to the balance weight platform. The invention greatly improves the connection reliability of the counter weight platform and the retaining wall, and avoids quality accidents such as integral overturning of the retaining wall. The construction difficulty is reduced, the appearance flatness of the retaining wall is guaranteed, and the attractiveness is improved. Meanwhile, the disposal amount is reduced, an additional sign field is not required to be built, and the construction cost is reduced. Is beneficial to building environment-friendly highways and has higher economic and social benefits. The invention has simple structure, convenient construction, safety, reliability and remarkable economic and environmental benefits, and can be widely popularized and applied in the technical field of retaining walls.
Description
Technical Field
The invention relates to a construction method and a construction structure of a balance weight type retaining wall, and belongs to the technical field of highway construction.
Background
In highway engineering construction, retaining walls are a relatively common roadbed structure. The retaining wall is classified according to the structure, and has various forms such as a counter weight retaining wall, a tilting retaining wall, a cantilever retaining wall, an anchor rod retaining wall and the like, wherein the counter weight retaining wall is widely applied. The balance weight type retaining wall is provided with an overhanging balance weight platform between the upper wall back and the lower wall back. The gravity of the upper filling soil of the cantilever counterweight table is utilized by the counterweight type retaining wall to enable the gravity center of the wall body to move backwards so as to resist the lateral pressure of soil mass, so that the stability of the retaining wall in anti-overturning and anti-sliding is ensured, and the stability of the retaining wall is increased.
The counterweight table of the slurry-laid rubble counterweight type retaining wall is formed by gradually outwards overhanging and laying slurry-laid rubble stones, the construction difficulty is high, the construction reliability is low, the connection reliability between the counterweight table and a wall body is poor, and especially under the condition that the wall body is wider than the counterweight table, the vertical soil pressure on the upper part of the counterweight table cannot be completely and reliably transferred to the wall body, so that diseases such as cracking, side shifting and overturning of the retaining wall can occur during highway operation, and meanwhile, roadbed settlement and cracking can be caused.
Thus, there is still room for improvement in the art.
Disclosure of Invention
The invention aims to provide a construction method and a construction structure of a counter-weight type retaining wall, which are used for ensuring the anti-overturning stability and the anti-sliding stability of the retaining wall, increasing the stability of the retaining wall, ensuring the appearance flatness of the retaining wall and improving the aesthetic degree, thereby overcoming the defects in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to a construction method of a balance weight type retaining wall, which comprises the following steps: measuring and positioning, excavating a foundation pit, testing the bearing capacity of a foundation, building a lower wall, building an upper wall, building a counterweight table template, pouring counterweight table concrete and backfilling a roadbed; the lower wall is built by adopting the grouted rubble, and the required embedded connecting steel bars are required to be arranged when the lower wall is built, and one side of the steel bars, which is close to the counterweight table, extends into the counterweight table.
In the construction method of the balance weight type retaining wall, the lower wall and the upper wall are internally provided with the water drain pipes, the water drain pipes are arranged in a high-low-inclination mode, and the inverted filter layer is constructed at the inlet of the water drain pipes.
In the construction method of the balance weight type retaining wall, the reverse filtering layer is respectively an impermeable geotechnical cloth layer, a crushed stone layer, gravel or stone chip layer and a working cloth layer from bottom to top.
The structure of the counter weight type retaining wall comprises the retaining wall; the retaining wall consists of a foundation, a lower wall and an upper wall; a reinforced concrete balance weight platform is arranged on the side, close to the roadbed, of the lower wall, and embedded connecting bars in the reinforced concrete balance weight platform extend into the lower wall; the junction of the lower wall and the upper wall and the interior of the lower wall are respectively provided with a drain pipe, and the inlet of the drain pipe is provided with a reverse filtering layer.
In the structure of the counter weight type retaining wall, the retaining wall is built by mortar rubble; the outer wall surface of the retaining wall is an inclined surface inclined towards the direction of the roadbed, and the inclined surface slope ratio is 1:0.05.
in the structure of the counter weight retaining wall, the bottom of the outer side of the foundation is provided with a toe, and the bottom of the inner side of the foundation is provided with a heel.
In the structure of the balance weight type retaining wall, the inner wall surface of the lower wall is a vertical wall surface, and the vertical wall surface and the reinforced concrete balance weight platform are integrated through concrete pouring.
In the structure of the balance weight type retaining wall, the section of the reinforced concrete balance weight table is in the shape of a right triangle, and the long right-angle side of the right triangle is connected with the vertical wall surface of the lower wall in a pouring mode.
In the structure of the balance weight type retaining wall, the inclined edge of the reinforced concrete balance weight table is an inclined surface inclined towards the roadbed direction, and the inclined surface slope ratio is 1:0.25.
in the structure of the balance weight type retaining wall, the water drain pipe inlet in the lower wall is positioned above the ground line.
By adopting the technical scheme, the counter weight platform adopts a reinforced concrete structure, and the reinforcing steel bars in the counter weight platform extend into the lower wall of the retaining wall to be poured into a whole with the retaining wall, so that the connection reliability of the counter weight platform and the retaining wall is greatly improved, the vertical soil pressure on the upper part of the counter weight platform can be completely and reliably transferred, the anti-overturning stability and the anti-sliding stability of the retaining wall are ensured, and the quality accidents such as integral overturning of the retaining wall are avoided. In the concrete construction, the method that a layer of embedded connecting bars are placed on the rubble after rubble is built at a certain height is adopted, so that the construction difficulty is reduced, and the appearance flatness of the retaining wall is ensured. Meanwhile, a large amount of excavated stone is used as the retaining wall raw material, so that the abandoned amount is reduced, an abandoned dreg site is not required to be built in an extra land, the construction cost is reduced, the construction of an environment-friendly highway is facilitated, and higher economic and social benefits are achieved. The invention has simple structure, convenient construction, safety, reliability and remarkable economic and environmental benefits, and can be widely popularized and applied in the technical field of retaining walls.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The marks in the drawings are: 1-foundation, 2-lower wall, 3-upper wall, 4-roadbed, 5-reinforced concrete balance platform, 6-pre-buried connecting bar, 7-drain pipe, 8-reverse filter layer, 9-outer wall surface, 10-toe, 11-heel, 12-vertical wall surface, 13-inclined plane, 14-ground line and 15-central line of road.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
The invention relates to a construction method of a balance weight type retaining wall, which comprises the following steps: measuring and positioning, excavating a foundation pit, testing the bearing capacity of a foundation, building a lower wall, building an upper wall, building a counterweight table template, pouring counterweight table concrete and backfilling a roadbed; the lower wall is built by adopting the grouted rubble, and the required embedded connecting steel bars are arranged when the lower wall is built, and extend into the balance weight platform from one side of the steel bars close to the balance weight platform. The lower wall and the upper wall are internally provided with drain pipes, the inside of each drain pipe is arranged in a high-low inclined way, and a reverse filtering layer is constructed at the inlet of each drain pipe. The reverse filtering layer is respectively an impermeable geotechnical cloth layer, a crushed stone layer, a gravel or stone chip layer and a geotechnical cloth layer from bottom to top.
The structure of the counter-balanced type retaining wall of the present invention constructed as described above, as shown in fig. 1, includes a retaining wall; the retaining wall consists of a foundation 1, a lower wall 2 and an upper wall 3; a reinforced concrete balance weight table 5 is arranged on the side, close to the roadbed 4, of the lower wall 2, and embedded connecting bars 6 in the reinforced concrete balance weight table 5 extend into the lower wall 2; the junction of the lower wall 2 and the upper wall 3 and the interior of the lower wall 2 are respectively provided with a drain pipe 7, and the inlet of the drain pipe 7 is provided with a reverse filtering layer 8. The retaining wall is built by grout rubble; the outer wall surface 9 of the retaining wall is an inclined surface inclined towards the roadbed direction, and the inclined surface slope ratio is 1:0.05. the bottom of the outer side of the foundation 1 is provided with a wall toe 10, and the bottom of the inner side of the foundation 1 is provided with a wall heel 11. The inner wall surface of the lower wall 2 is a vertical wall surface 12, and the vertical wall surface 12 and the reinforced concrete counterweight table 5 are cast into a whole through concrete. The reinforced concrete balance weight platform 5 has a right triangle in cross section, and the long right-angle side of the right triangle is connected with the vertical wall surface 12 of the lower wall 2 in a pouring mode. The inner wall surface of the upper wall 3 is an inclined surface 13 inclined back to the direction of the roadbed, the inclined edge of the reinforced concrete counterweight table (5) is an inclined surface inclined to the direction of the roadbed, and the inclined surface slope ratio is 1:0.25.. The inlet of the drain pipe 7 in the lower wall 2 is positioned above the ground line 14.
Examples
The structure of this example is shown in fig. 1. The concrete weight balancing device comprises a foundation 1, a lower wall 2, an upper wall 3, reinforcing steel bars 6, a drain pipe 7, a reverse filtering layer 8 and a reinforced concrete weight balancing platform 5. The lower wall 2 is provided with embedded connecting bars 6 connected with the balance weight platform 5 in the masonry process, and the reinforced concrete balance weight platform 5 and the lower wall 2 are reliably connected through the embedded connecting bars 6. The junction of the upper wall 3 and the lower wall 2 is provided with a water drain pipe 7, after the construction of the main structure of the retaining wall is finished, the inlet end of the water drain pipe 7 is provided with a reverse filtering layer 8, and the reverse filtering layer 8 is divided into four layers from bottom to top and consists of impermeable geotextile, broken stone, gravel or stone scraps and geotextile.
The specific implementation is mainly carried out according to the following steps:
a. preparing, measuring and lofting on site, and excavating a foundation pit after determining the position;
b. after the foundation pit is excavated in place, a foundation bearing capacity test is required;
c. after the site conditions are met, building a foundation;
d. after the foundation is built, a lower wall 2 is built by adopting a grout sheet stone, and connecting bars 6 and drain pipes 7 are alternately embedded in the process of building the lower wall 2;
e. after the lower wall 2 is built, the upper wall 3 is built by grout rubble, and a water drain pipe 7 is arranged at the joint of the upper wall 3 and the lower wall 2 in the process of building the upper wall 3;
f. after the upper wall 3 is built, setting up a template of the reinforced concrete balance weight platform 5 at the vertical wall surface 12 of the inner side surface of the lower wall 2, and completing pouring of the reinforced concrete balance weight platform 5;
g. after the concrete of the reinforced concrete balance platform 5 is completely solidified, the roadbed 4 starts to be backfilled, and when the roadbed 4 is backfilled to the position of the water drain pipe 7, a reverse filtering layer 8 is applied at the inlet of the water drain pipe 7.
h. And after the construction of the reverse filtering layer 8 is finished, backfilling the roadbed 4 continuously until the height Cheng Jiben of the roadbed 4 is flush with the top surface of the upper wall 3.
The balance weight platform adopts a reinforced concrete structure, and the reinforcing steel bars in the balance weight platform extend into the lower wall of the retaining wall to be poured into a whole with the retaining wall, so that the connection reliability of the balance weight platform and the retaining wall is greatly improved, the vertical soil pressure at the upper part of the balance weight platform can be completely and reliably transferred, the anti-overturning and anti-sliding stability of the retaining wall is ensured, and the quality accidents such as integral overturning of the retaining wall are avoided. In the concrete construction, the method of setting the needed embedded connecting bars when the lower wall is built is adopted, so that the construction difficulty is reduced, the appearance flatness of the retaining wall is ensured, and the attractiveness is improved. Meanwhile, a large amount of excavated stone is used as the retaining wall raw material, waste materials can be changed into things of value, the abandoned amount is reduced, and an abandoned dreg site is not required to be built in an extra land, so that the land area and the environmental damage are reduced, the construction cost is reduced, the construction of an environment-friendly highway is facilitated, and higher economic and social benefits are achieved. The invention has simple structure, convenient construction, safety, reliability and remarkable economic and environmental benefits, and can be widely popularized and applied in the technical field of retaining walls.
Claims (6)
1. A construction method of a balance weight type retaining wall is characterized by comprising the following steps: the construction is carried out according to the following procedures: measuring and positioning, excavating a foundation pit, testing the bearing capacity of a foundation, building a lower wall, building an upper wall, building a counterweight table template, pouring counterweight table concrete and backfilling a roadbed; the lower wall is built by adopting slurry rubble, and required embedded connecting bars are arranged when the lower wall is built, and extend into the balance weight platform from one side of the balance weight platform; the retaining wall consists of a foundation (1), a lower wall (2) and an upper wall (3); a reinforced concrete balance weight table (5) is arranged on the side, close to the roadbed (4), of the lower wall (2), and embedded connecting bars (6) in the reinforced concrete balance weight table (5) extend into the lower wall (2); the connection part of the lower wall (2) and the upper wall (3) and the interior of the lower wall (2) are respectively provided with a drain pipe (7), and the inlet of the drain pipe (7) is provided with a reverse filtering layer (8); the section of the reinforced concrete counterweight table (5) is in a right triangle shape, and the long right-angle side of the right triangle is connected with the vertical wall surface (12) of the lower wall (2) in a pouring mode; the hypotenuse of reinforced concrete balance platform (5) is the inclined plane to the road bed direction slope, and the inclined plane slope ratio is 1:0.25; the inlet of the drain pipe (7) in the lower wall (2) is positioned above the ground line (14).
2. The method for constructing a balanced type retaining wall according to claim 1, wherein: and drain pipes are arranged in the lower wall and the upper wall, the inside of each drain pipe is obliquely arranged at a high and low outside, and a reverse filtering layer is constructed at the inlet of each drain pipe.
3. The method for constructing a balanced type retaining wall according to claim 1, wherein: the reverse filtering layer is respectively an impermeable geotechnical cloth layer, a gravel or stone chip layer and a working cloth layer from bottom to top.
4. A balanced type retaining wall structure constructed by a method according to any one of claims 1 to 3, comprising a retaining wall; the method is characterized in that: the retaining wall is built by grout rubble; the outer wall surface (9) of the retaining wall is an inclined surface inclined towards the roadbed direction, and the inclined surface slope ratio is 1:0.05.
5. the balanced type retaining wall structure according to claim 4, wherein: the bottom of the outer side of the foundation (1) is provided with a wall toe (10), and the bottom of the inner side of the foundation (1) is provided with a wall heel (11).
6. The balanced type retaining wall structure according to claim 4, wherein: the inner wall surface of the lower wall (2) is a vertical wall surface (12), and the vertical wall surface (12) and the reinforced concrete counterweight table (5) are cast into a whole through concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441828.3A CN110056000B (en) | 2019-05-24 | 2019-05-24 | Construction method and structure of counter weight type retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441828.3A CN110056000B (en) | 2019-05-24 | 2019-05-24 | Construction method and structure of counter weight type retaining wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110056000A CN110056000A (en) | 2019-07-26 |
| CN110056000B true CN110056000B (en) | 2024-03-01 |
Family
ID=67324549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910441828.3A Active CN110056000B (en) | 2019-05-24 | 2019-05-24 | Construction method and structure of counter weight type retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110056000B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501458A (en) * | 2020-04-26 | 2020-08-07 | 中建八局第二建设有限公司 | Paving method of stone-filled roadbed |
| CN111719910B (en) * | 2020-05-20 | 2021-08-10 | 中国建筑第八工程局有限公司 | Retaining wall partition type beam field structure and construction method thereof |
| CN111910679B (en) * | 2020-08-12 | 2022-02-18 | 中建八局第二建设有限公司 | Construction method of overlong and ultrahigh-weight retaining wall under complex terrain |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030013076A (en) * | 2001-08-07 | 2003-02-14 | 대한주택공사 | Block for retaining wall and method of constructing retaining wall whereby |
| CN102888855A (en) * | 2012-10-09 | 2013-01-23 | 长沙学院 | Combined balance weight retaining wall |
| CN203729327U (en) * | 2014-03-06 | 2014-07-23 | 山西省交通科学研究院 | Balance weight type reinforced soil composite structure retaining wall |
| CN207392233U (en) * | 2017-10-26 | 2018-05-22 | 贵州智华建设工程有限责任公司 | A kind of cushion cap balance weight retaining wall |
| CN109736346A (en) * | 2018-12-13 | 2019-05-10 | 中交一公局桥隧工程有限公司 | Steel anchor tube reinforces weathered rock formation reinforcement balance weight retaining wall structure and construction method |
| CN210151776U (en) * | 2019-05-24 | 2020-03-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure of balance weight type retaining wall |
-
2019
- 2019-05-24 CN CN201910441828.3A patent/CN110056000B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030013076A (en) * | 2001-08-07 | 2003-02-14 | 대한주택공사 | Block for retaining wall and method of constructing retaining wall whereby |
| CN102888855A (en) * | 2012-10-09 | 2013-01-23 | 长沙学院 | Combined balance weight retaining wall |
| CN203729327U (en) * | 2014-03-06 | 2014-07-23 | 山西省交通科学研究院 | Balance weight type reinforced soil composite structure retaining wall |
| CN207392233U (en) * | 2017-10-26 | 2018-05-22 | 贵州智华建设工程有限责任公司 | A kind of cushion cap balance weight retaining wall |
| CN109736346A (en) * | 2018-12-13 | 2019-05-10 | 中交一公局桥隧工程有限公司 | Steel anchor tube reinforces weathered rock formation reinforcement balance weight retaining wall structure and construction method |
| CN210151776U (en) * | 2019-05-24 | 2020-03-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure of balance weight type retaining wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110056000A (en) | 2019-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203603105U (en) | Wall plate type ecological retaining wall bank protection structure | |
| CN104131555B (en) | A kind of outsourcing water penetration concrete reinforced pipe crushed stone grouting pile and construction method thereof | |
| CN110056000B (en) | Construction method and structure of counter weight type retaining wall | |
| CN107419630A (en) | A kind of the soft soil foundation high-filled embankment and construction method of effectively control settlement after construction | |
| CN206902488U (en) | A kind of soft soil foundation high-filled embankment of effectively control settlement after construction | |
| CN109797769B (en) | Collapsible loess area underground comprehensive pipe gallery foundation structure and construction method thereof | |
| CN109914173B (en) | Foam light soil pouring table back structure in expressway reconstruction and extension project and construction method thereof | |
| CN108412016A (en) | Underground tube body assures construction method | |
| CN107859062B (en) | The earth-filling method of underground pipe gallery | |
| CN101597888B (en) | Construction method of municipal drainage culvert sinking trough | |
| CN109750571A (en) | A kind of road landslide emergency and permanent supporting and retaining system integral structure and construction method | |
| CN204000851U (en) | The stake of a kind of outsourcing water permeability concrete reinforced pipe gravel slip-casting | |
| CN108396771A (en) | Raw earth-retaining wall construction method is planted from embedded reinforcement | |
| CN108035379B (en) | Comprehensive pipe gallery and construction method thereof | |
| CN109706952A (en) | Large-scale well-sinking construction method | |
| CN110004991A (en) | Underground structure anti-floating system and construction method based on raised type tangs plate | |
| CN113818402A (en) | Reinforcing and reinforcing structure of clay core rockfill dam and construction method thereof | |
| CN112554167A (en) | Novel poured large-particle-size aggregate UHPC soft soil road foundation pile | |
| CN210151776U (en) | Structure of balance weight type retaining wall | |
| CN109056804B (en) | Comprehensive pipe rack foundation pit supporting structure and implementation method thereof | |
| CN204282295U (en) | Pile formula case cylinder breakwater structure | |
| CN110055845A (en) | A kind of construction method that highway bridge and culvert two sides are soft soil roadbed | |
| CN110438859A (en) | A kind of the precast concrete road and its construction method of draining of catchmenting | |
| CN106192880B (en) | The box harbour of L-type and its method of construction | |
| CN115030146A (en) | Solidified soil composite foundation technology for pile mud capable of being solidified in situ to form pile body material |
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 |