CN210658432U - Assembled concrete box retaining wall - Google Patents
Assembled concrete box retaining wall Download PDFInfo
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- CN210658432U CN210658432U CN201921025164.4U CN201921025164U CN210658432U CN 210658432 U CN210658432 U CN 210658432U CN 201921025164 U CN201921025164 U CN 201921025164U CN 210658432 U CN210658432 U CN 210658432U
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Abstract
The utility model discloses an assembled concrete box retaining wall, which comprises a cast-in-place foundation and a wall body arranged above the cast-in-place foundation, wherein the upper surface of the cast-in-place foundation is provided with an inward concave string-shaped groove, the wall body is of a multi-layer structure, each layer of the wall body comprises a plurality of prefabricated concrete box monomers which are connected with each other, the end parts of two adjacent prefabricated concrete box monomers in a single-layer wall body are connected through a side wall clamping block, compared with the traditional gravity retaining wall, the utility model adopts a hollow concrete box to fill waste soil and stone materials, can reduce masonry or concrete square amount by about 40 percent, reasonably utilizes waste earth and stone in engineering, reduces engineering waste, can reduce engineering cost by more than 15 percent, the assembled retaining wall provided by the utility model has the minimum assembling unit of the prefabricated concrete box monomers, has the same size of all the prefabricated concrete box monomers, is convenient for standardized production and convenient for assembling construction, the construction period on site can be reduced by more than 30%.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering, concretely relates to assembled concrete box retaining wall is applicable to newly-built projects such as highway, railway, municipal slope quick retaining protection, also can be used to operation phase side slope unstability disease and consolidates the improvement fast.
Background
The retaining wall is one of the most commonly used supporting and retaining structures in geotechnical engineering, the structural forms of the retaining wall mainly include gravity type, counterfort type, reinforcement type, anchor rod type, pile plate type and the like, and the gravity type retaining wall is most widely applied in engineering construction of highways, railways, municipal works, water conservancy and the like. The traditional gravity type retaining wall is generally built by adopting the modes of stone block stacking, concrete cast-in-place and the like, the masonry quantity is large, the material consumption is high, the cost is higher, and meanwhile, the field construction mechanization is not high, the efficiency is lower, and the construction period is longer.
In order to reduce the construction cost and shorten the construction period, in recent years, a gravity type prefabricated assembled retaining wall appears in the prior art. For example, utility model ZL201720712366.0 and ZL201721376162.0 disclose respectively a prefabricated assembled retaining wall, whole retaining wall is by a plurality of through board, roof beam and the box unit that the connecting piece assembled into at the scene is built and is constituteed, can pack earth stone slag charge in the box unit, can effectively reduce traditional assembled retaining wall masonry quantity, reduce engineering cost, but this type of structure is assembled the unit on site and is divided too little, the subassembly is numerous, it requires highly to assemble the technological requirement, the retaining wall is whole from the stability guarantee degree of difficulty big. Application number is 201610479129.4, 201810570406.1 and 201810167122.8's utility model patent is disclosing a prefabricated assembled concrete box gravity type retaining wall respectively, this three novel retaining wall comprises precast concrete square box unit (three box unit detail structure is different), direct layering is built and is built precast square box unit during site operation, fill the soil stone material to the empty box in, and convenient for construction, but the cross section of these several types of retaining walls is the same from top to bottom width, constitute by a box, according to the big distribution characteristics about the retaining wall soil pressure, these retaining walls should not be too high, the overall stability of retaining wall is extremely high to the makeup technology requirement simultaneously, the risk that the retaining wall wholly topples when highly big.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model aims at providing an assembled concrete box retaining wall, this structural performance safe and reliable, economical and practical, energy-concerving and environment-protective, extensive applicability can be used to newly-built highway, railway, the quick fender protection of side slope of municipal works etc. also can be used to operation phase side slope unstability disease and consolidate fast and administer.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
an assembled concrete box retaining wall comprises a cast-in-place foundation and a wall body arranged above the cast-in-place foundation, wherein an inward concave string-shaped groove is formed in the upper surface of the cast-in-place foundation, the wall body is of a multi-layer structure, each layer of wall body comprises a plurality of prefabricated concrete box single bodies which are connected with each other, the end parts of two adjacent prefabricated concrete box single bodies in a single-layer wall body are connected through a side wall fixture block, string-shaped convex edges corresponding to the string-shaped groove are protruded outwards from the bottom surfaces of the prefabricated concrete box single bodies, strip-shaped grooves matched with the string-shaped convex edges are formed in the top surfaces of the prefabricated concrete box single bodies, and the prefabricated concrete box single bodies arranged on the bottommost layer of the wall body are correspondingly installed on the string-;
every two layers of the wall body above the cast-in-place foundation form a group, the widths of a plurality of groups of wall bodies are gradually reduced from bottom to top, the gradually reduced widths are equal to the widths of the precast concrete box single bodies, interlayer clamping blocks which are integrally precast and formed by reinforcing meshes and concrete are arranged between two adjacent groups of wall bodies, the top surfaces of the interlayer clamping blocks are provided with serial-shaped grooves matched with the serial-shaped ribs, the bottom surfaces of the interlayer clamping blocks are internally provided with I-shaped grooves, and the interlayer clamping blocks are arranged at the positions above the two precast concrete box single bodies which are arranged below the interlayer clamping blocks side by side;
the precast concrete box single bodies in the two adjacent layers of wall bodies are arranged in a staggered joint mode.
Preferably, the precast concrete box single body is an upper open type hollow structure precast by reinforced mesh concrete, the length, the width and the height of the outer contour of the precast concrete box single body are respectively 200cm, 100cm and 100cm, the peripheral wall thickness of the precast concrete box single body is 8-15cm, rectangular windows used for installing side wall fixture blocks are arranged at two side wall positions of the precast concrete box single body, the side wall fixture blocks are integrally precast and formed by the reinforced mesh and the concrete, the length of each rectangular window is 40cm, the width of each rectangular window is 20-30cm, strip-shaped grooves are formed at the upper edges of the side walls at two end parts, the length of each strip-shaped groove is 50cm, the width of each strip-shaped groove is 10cm, and the thickness of each string-shaped convex.
Preferably, the front side surface and the rear side surface of each precast concrete box unit are provided with water outlets with the diameter of 10cm, the number of the water outlets on each precast concrete box unit is four, and the four water outlets are distributed on the front side wall and the rear side wall of each precast concrete box unit in a pairwise manner.
Preferably, the cavity of the precast concrete box monomer is filled with waste soil.
Preferably, the surface of the waste soil exposed out of the waste soil is planted with grass-shrub vegetation.
The waste soil material is waste slag generated by engineering excavation or soil and stone materials mined by adjacent soil-taking sites, high-quality fillers such as broken stone soil and gravel can be used, bad fillers such as expansive soil, high liquid limit soil, soft rock, weathered rock and residual soil can be used, and the waste soil material is used for filling a concrete box cavity of a retaining wall to increase the weight of the retaining wall.
The grass-shrub vegetation is grass seeds, shrub seeds or climbing vine seeds which are suitable for local growth habits and are sowed in soil layers of retaining wall platforms to afforest the slope.
Preferably, the cross section of the side wall fixture block is of a 'door' -shaped structure, the wall thickness of each of the 'door' -shaped structures is 10-15cm, and the length, width and height of the outer contour of the side wall fixture block are 40cm, 20-30cm and 20-30cm respectively.
Preferably, the cast-in-place foundation is a concrete thin plate poured on a foundation, the thickness of the concrete thin plate is 20-30cm, the width of the concrete thin plate is 3-5m, and expansion joints are arranged every 10m in the length direction.
The utility model discloses an above-mentioned assembled concrete box retaining wall's construction method, including following step:
firstly, processing a certain number of precast concrete box single bodies, interlayer clamping blocks and side wall clamping blocks according to standard sizes in a precast yard, maintaining to design strength, and transporting to a construction site for splicing;
leveling a field, compacting a foundation, constructing a cast-in-place foundation with a certain length on the foundation to be built according to the design length of a retaining wall, and synchronously manufacturing a string-shaped groove array on the cast-in-place foundation by adopting a template during the cast-in-place foundation according to the design section size of the retaining wall;
thirdly, hoisting the precast concrete box monomers by adopting an automobile crane, placing the precast concrete box monomers in the cast-in-situ foundation serial groove array one by one, connecting the two adjacent precast concrete box monomers at the left and the right through side wall clamping blocks, and filling waste soil materials into cavities of the precast concrete box monomers one by one to form a first layer of retaining wall;
fourthly, mounting prefabricated concrete box monomers on the top surface of the first layer of retaining wall one by one according to the third step in a staggered joint manner to form a second layer of retaining wall with the equal cross section;
placing interlayer clamping blocks on the top surfaces of the second-layer retaining walls one by one on the tops of the side walls of the two adjacent prefabricated concrete box monomers one behind the other through the I-shaped grooves to form a clamping block array which is one row less than that of the second layer, and installing the prefabricated concrete box monomers on the interlayer clamping blocks according to front and back staggered seams to form a third-layer retaining wall;
and step six, repeatedly installing the prefabricated concrete box single bodies according to the cross section width changed once every two layers until the design height of the retaining wall is reached, and forming the long-strip-shaped concrete box retaining wall with the Hannao tower type cross section.
Step seven, backfilling a gravel soil filler on the back of the retaining wall, and rolling and compacting layer by using a small machine;
and step eight, planting grass plants or climbing vine plants in the platform on one side of the wall surface of the retaining wall and the top concrete box soil layer to afforest the wall surface.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) economical and practical: compare with traditional gravity type retaining wall, the utility model discloses a hollow concrete case fills dumped soil and stone material, reducible about 40% masonry or concrete square volume, and the dumped soil and stone square of rational utilization engineering reduces the engineering and abandons the side, can reduce engineering cost more than 15%.
(2) The construction is quick: the utility model provides an assembled retaining wall, its minimum unit of assembling is prefabricated concrete case monomer, and all prefabricated concrete case monomer sizes are the same, and the standardized production of being convenient for, and it is convenient to assemble the construction, and the site operation cycle can reduce more than 30%.
(3) Safety and durability: compare with prefabricated assembled concrete box gravity type retaining wall, the utility model discloses an assembled retaining wall, the novelty adopts 'hannuo tower' formula cross section, compares with the uniform cross-section structure of existing assembled retaining wall, the utility model provides a retaining wall self-stability is more excellent, simultaneously the utility model discloses a control the construction of joint, the upper and lower fissure of displacement assembly about, the wholeness of retaining wall is good, and the security is higher, and it is suitable for side slope retaining strength higher, the utility model discloses a highly more current assembled retaining wall of maximum retaining wall improves more than 20%.
(4) Green and environment-friendly: compared with the existing assembled retaining wall, the utility model utilizes the retaining wall platform and the concrete box soil layer with an opening at the top to plant grass and shrub vegetation and afforest the slope surface of the retaining wall; meanwhile, the retaining wall structure reasonably utilizes waste earth and stone in engineering, reduces the consumption of engineering masonry, saves resources and is green and environment-friendly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an overall three-dimensional structure view of the assembled concrete box retaining wall of the present invention;
FIG. 2 is a cross-sectional view of the retaining wall of the assembled concrete box of the present invention;
FIG. 3 is a front view of the assembled concrete box retaining wall of the present invention;
FIG. 4 is a three-dimensional structure diagram of the precast concrete box unit of the present invention;
FIG. 5 is a side view of the precast concrete box unit of the present invention;
FIG. 6 is a front view of the precast concrete box unit of the present invention;
FIG. 7 is a bottom view of the precast concrete box unit of the present invention;
FIG. 8 is a perspective view of the interlayer clamping block of the present invention;
fig. 9 is a top view of the interlayer clamping block of the present invention;
fig. 10 is a bottom view of the interlayer clamping block of the present invention;
fig. 11 is a three-dimensional structure diagram of the sidewall clamping block of the present invention;
fig. 12 is a perspective structure view of the cast-in-place foundation of the present invention.
The reference numerals are explained below:
1. prefabricating a concrete box single body; 2. interlayer clamping blocks; 3. a side wall fixture block; 4. casting a foundation in situ; 5. waste soil; 6. grass-shrub vegetation; 7. a water outlet; 8. a rectangular window; 9. a strip-shaped groove; 10. a string-shaped rib; 11. a groove shaped like a Chinese character 'serial'; 12. an I-shaped groove; 13. an expansion joint; 14. a string-type groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in the figures, the utility model provides an assembled concrete box retaining wall, which comprises a cast-in-place foundation 4 and a wall body arranged above the cast-in-place foundation 4, wherein the upper surface of the cast-in-place foundation 4 is provided with inward-concave string-shaped grooves 14, and the string-shaped grooves 14 are arranged in three rows; the wall body is of a multilayer structure, each layer of wall body comprises a plurality of prefabricated concrete box single bodies 1 which are connected with each other, specifically, the end parts of two adjacent prefabricated concrete box single bodies 1 in the single layer of wall body are connected through a side wall fixture block 3, the side wall fixture block 3 is arranged in a rectangular window 8 arranged on the side surface of the prefabricated concrete box single body 1, the bottom surface of the prefabricated concrete box single body 1 is outwards protruded with a string-shaped convex edge 10 corresponding to a string-shaped groove 14, the wall body at the bottommost layer is also provided with three rows of prefabricated concrete box single bodies 1, the string-shaped convex edge 10 below the prefabricated concrete box single body 1 is correspondingly arranged in the string-shaped groove 14 on the upper surface of the cast-in-situ foundation 4 when the wall body at the bottommost layer is installed, the movement of the prefabricated concrete box single body 1 in the horizontal direction can be limited, the prefabricated concrete box single body 1 is static on the cast-in-situ foundation 4 under the action of, the prefabricated concrete box single body 1 arranged on the bottommost wall body is correspondingly arranged on a string-shaped groove 14 on the cast-in-situ foundation 4 through a string-shaped rib 10;
every two layers of wall bodies above the cast-in-place foundation 4 form a group, the widths of a plurality of groups of wall bodies are gradually reduced from bottom to top, the gradually reduced widths are equal to the widths of the precast concrete box single bodies 1, the arrangement is that in order to form a long-strip-shaped concrete box retaining wall structure with a Hannao tower-shaped cross section, the stabilizing effect of the retaining wall can be improved, interlayer clamping blocks 2 are arranged between two adjacent groups of wall bodies, each interlayer clamping block 2 is a cuboid concrete block body, a string-shaped groove 11 matched with a string-shaped rib 10 is formed in the top surface of each interlayer clamping block 2, an I-shaped groove 12 is recessed in the bottom surface of each interlayer clamping block 2, each interlayer clamping block 2 is arranged above two precast concrete box single bodies 1 which are arranged side by side below, and each interlayer clamping block 2 is used for performing transition connection in a transition area with the narrowed width of;
the precast concrete box single bodies 1 in the two adjacent layers of wall bodies are arranged in a staggered manner, so that the stress of each precast concrete box single body 1 is uniform and stable.
As an optional embodiment, the precast concrete box unit 1 is an open-top hollow structure, the length, width and height of the outer contour of the precast concrete box unit 1 are respectively 200cm, 100cm and 100cm, the peripheral wall thickness of the precast concrete box unit 1 is 15cm, rectangular windows 8 for mounting the side wall fixture blocks 3 are formed in two side wall positions of the precast concrete box unit 1, the length of each rectangular window 8 is 40cm, the width of each rectangular window is 20cm, strip-shaped grooves 9 are formed in the upper edge positions of the side walls of two end portions, the length of each strip-shaped groove is 50cm, the width of each strip-shaped groove is 15cm, and the thickness of each string-shaped convex edge 10 is 15.
The front side and the rear side of the precast concrete box single body 1 are provided with water outlets 7 with the diameter of 10cm, the number of the water outlets 7 on each precast concrete box single body 1 is four, the four water outlets 7 are distributed on the front side wall and the rear side wall of each precast concrete box single body 1 in pairs, the water outlets 7 are used for enabling rainwater to permeate the waste soil 5 in rainy days, and finally the rainwater is discharged from the water outlets 7, so that collapse of the retaining wall is avoided.
The cavity of the precast concrete box unit 1 is filled with waste soil 5, wherein the waste soil 5 is waste slag generated by engineering excavation or soil and stone materials mined by an adjacent soil sampling field, high-quality fillers such as broken stone soil and gravel can be used, poor fillers such as expansive soil, high liquid limit soil, soft rock, weathered rock and residual soil can be used, and the waste soil 5 is used for filling the cavity of the concrete box of the retaining wall to increase the weight of the retaining wall.
The waste soil 5 is planted with grass-shrub vegetation 6, and grass seeds, shrub seeds or climbing vine seeds which are suitable for local growth habits are adopted and are sown in soil layers of retaining wall platforms to afforest slope surfaces.
The side wall fixture blocks 3 are reinforcing mesh concrete bar blocks, the cross section of each side wall fixture block is of a structure shaped like a Chinese character 'men', the thickness of each wall of the structure shaped like the Chinese character 'men' is 15cm, the length, the width and the height of the outline of each side wall fixture block 3 are 40cm, 20cm and 20cm respectively, two adjacent precast concrete box single bodies 1 are connected through the side wall fixture blocks 3, and the stability of the retaining wall is improved.
The cast-in-place foundation 4 is a concrete thin plate poured on a foundation, the thickness of the cast-in-place foundation is 30cm, the width of the cast-in-place foundation is 5m, the length size of the cast-in-place foundation is determined according to the design length of the retaining wall, and expansion joints 13 are arranged every 10m in the length direction so as to avoid the concrete thin plate from being broken under the action of thermal expansion and cold contraction.
The embodiment also provides a construction method of the fabricated concrete box retaining wall, which comprises the following steps:
firstly, processing a certain number of precast concrete box single bodies 1, interlayer clamping blocks 2 and side wall clamping blocks 3 according to standard sizes in a precast yard, maintaining to design strength, and transporting to a construction site for splicing;
leveling a field, compacting a foundation, constructing a cast-in-place foundation 4 with a certain length on the foundation to be constructed according to the design length of a retaining wall, and synchronously manufacturing a string-shaped groove 14 array on the cast-in-place foundation 4 by adopting a template when the foundation 4 is cast in place according to the design section size of the retaining wall;
thirdly, hoisting the precast concrete box single bodies 1 by using an automobile crane, placing the precast concrete box single bodies one by one in a series of grooves 14 array of a cast-in-place foundation 4, connecting the two adjacent precast concrete box single bodies 1 at the left and the right through side wall fixture blocks 3, and then filling waste soil 5 into the cavities of the precast concrete box single bodies 1 one by one to form a first-layer retaining wall;
fourthly, mounting the precast concrete box single bodies 1 on the top surface of the first layer of retaining wall one by one according to the third step in a staggered joint manner, and forming a second layer of retaining wall with the equal cross section;
placing interlayer clamping blocks 2 on the top surfaces of the second-layer retaining walls one by one on the tops of the side walls of two prefabricated concrete box single bodies 1 adjacent to each other in the front-back direction through I-shaped grooves to form a clamping block array which is one row less than that of the second layer, and installing the prefabricated concrete box single bodies 1 on the interlayer clamping blocks 2 according to front-back staggered joints to form a third-layer retaining wall;
and step six, repeatedly installing the prefabricated concrete box single bodies 1 according to the cross section width changed once every two layers until the design height of the retaining wall is reached, and forming the long-strip-shaped concrete box retaining wall with the Hannao tower type cross section.
Step seven, backfilling a gravel soil filler on the back of the retaining wall, and rolling and compacting layer by using a small machine;
and step eight, planting grass plants or climbing vine plants in the platform on one side of the wall surface of the retaining wall and the top concrete box soil layer to afforest the wall surface.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides an assembled concrete box retaining wall which characterized in that: the prefabricated concrete box comprises a cast-in-place foundation (4) and a wall body arranged above the cast-in-place foundation (4), wherein an inwards concave string-shaped groove (14) is formed in the upper surface of the cast-in-place foundation (4), the wall body is of a multilayer structure, each layer of wall body comprises a plurality of prefabricated concrete box single bodies (1) which are connected with each other, the end parts of two adjacent prefabricated concrete box single bodies (1) in a single-layer wall body are connected through a side wall clamping block (3), a string-shaped rib (10) corresponding to the string-shaped groove (14) is outwards protruded from the bottom surface of each prefabricated concrete box single body (1), a strip-shaped groove (9) matched with the string-shaped rib (10) is formed in the top surface of each prefabricated concrete box single body (1), and the prefabricated concrete box single body (1) arranged on the bottommost layer of the wall body is correspondingly installed on the string-shaped groove;
the concrete box is characterized in that every two layers of the wall body above the cast-in-place foundation (4) form a group, the widths of a plurality of groups of wall bodies are sequentially reduced from bottom to top, the reduced widths are equal to the widths of the prefabricated concrete box single bodies (1), interlayer clamping blocks (2) integrally prefabricated and formed by reinforcing meshes and concrete are arranged between every two adjacent groups of wall bodies, the top surfaces of the interlayer clamping blocks (2) are provided with string-shaped grooves (11) matched with string-shaped ribs (10), the bottom surfaces of the interlayer clamping blocks (2) are inwards provided with I-shaped grooves (12), and the interlayer clamping blocks (2) are arranged above two prefabricated concrete box single bodies (1) which are arranged below side by side; the precast concrete box single bodies (1) in the two adjacent layers of wall bodies are arranged in a staggered manner.
2. The assembled concrete box retaining wall of claim 1, wherein: prefabricated concrete case monomer (1) is one by the prefabricated hollow box structure of open face formula above of reinforcing bar net concrete, and its outline length, width, height are 200cm, 100cm respectively, the wall thickness all around of prefabricated concrete case monomer (1) is 8-15cm, rectangle window (8) that are used for installing lateral wall fixture block (3) are offered to two lateral wall positions of prefabricated concrete case monomer (1), the lateral wall fixture block is by reinforcing bar net and the whole prefabricated shaping of concrete, rectangle window (8) length is 40cm, and the width is 20-30cm, strip recess (9) are seted up and are put on two tip lateral walls upper reason positions, and length is 50cm, and the width is 10cm, the thickness of string font bead (10) is 8-15 cm.
3. The assembled concrete box retaining wall of claim 2, wherein: the front side and the rear side of each precast concrete box single body (1) are provided with water outlets (7) with the diameter of 10cm, the number of the water outlets (7) on each precast concrete box single body (1) is four, and the four water outlets (7) are distributed on the front side wall and the rear side wall of each precast concrete box single body (1) in pairs.
4. The assembled concrete box retaining wall of claim 2, wherein: and waste soil (5) is filled in the cavity of the precast concrete box single body (1).
5. The assembled concrete box retaining wall of claim 4, wherein: the surface of the waste soil (5) is planted with grass-shrub vegetation (6).
6. The assembled concrete box retaining wall of claim 1, wherein: the cross section of the side wall fixture block (3) is of a 'door' -shaped structure, the wall thickness of each door-shaped structure is 10-15cm, and the length, width and height of the outer contour of the side wall fixture block (3) are 40cm, 20-30cm and 20-30cm respectively.
7. The assembled concrete box retaining wall of claim 1, wherein: the cast-in-place foundation (4) is a concrete thin plate poured on a foundation, the thickness of the cast-in-place foundation is 20-30cm, the width of the cast-in-place foundation is 3-5m, and expansion joints (13) are arranged every 10m in the length direction.
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| CN201921025164.4U CN210658432U (en) | 2019-07-03 | 2019-07-03 | Assembled concrete box retaining wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241849A (en) * | 2019-07-03 | 2019-09-17 | 中交第二公路勘察设计研究院有限公司 | A kind of assembled concrete case retaining wall and its construction method |
| CN111663564A (en) * | 2020-06-03 | 2020-09-15 | 安徽省交通规划设计研究总院股份有限公司 | UHPC-C environment-friendly retaining wall and construction method thereof |
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2019
- 2019-07-03 CN CN201921025164.4U patent/CN210658432U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241849A (en) * | 2019-07-03 | 2019-09-17 | 中交第二公路勘察设计研究院有限公司 | A kind of assembled concrete case retaining wall and its construction method |
| CN111663564A (en) * | 2020-06-03 | 2020-09-15 | 安徽省交通规划设计研究总院股份有限公司 | UHPC-C environment-friendly retaining wall and construction method thereof |
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