CN212715014U - Semi-assembled retaining wall - Google Patents
Semi-assembled retaining wall Download PDFInfo
- Publication number
- CN212715014U CN212715014U CN202021196410.5U CN202021196410U CN212715014U CN 212715014 U CN212715014 U CN 212715014U CN 202021196410 U CN202021196410 U CN 202021196410U CN 212715014 U CN212715014 U CN 212715014U
- Authority
- CN
- China
- Prior art keywords
- wall body
- retaining wall
- cast
- place concrete
- surface layer
- 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
Images
Landscapes
- Retaining Walls (AREA)
Abstract
The utility model provides a semi-assembled retaining wall, which comprises a cast-in-place concrete wall body; the cast-in-place concrete wall body is poured on the side face of the soil body side slope, a cast-in-place concrete foundation is arranged at the bottom of the cast-in-place concrete wall body, a soil retaining wall body surface layer covers the surface of the cast-in-place concrete wall body, and the reinforced spines are perpendicular to the soil retaining wall body surface layer and buried in the cast-in-place concrete wall body. The retaining wall surface layer assembled by the prefabricated reinforced concrete panels is used as the template of the cast-in-place concrete wall body, so that the complex procedures of erecting a scaffold and dismantling a conventional template are eliminated, a large amount of manpower and material resources can be saved, and the limitation that the scaffold cannot be erected due to the limitation of sites is avoided; the structure is simple, the assembly is convenient, the requirements on the personal skill and experience of constructors are low, and the field work efficiency is improved; the operation safety and the adaptability are strong, the engineering benefit is obvious, and the method can be popularized and applied in similar engineering.
Description
Technical Field
The utility model relates to a half assembled retaining wall.
Background
The retaining wall is a structure for supporting roadbed filling, hillside mountain or river bank slope to prevent collapse and maintain soil stability, and is divided into a gravity type retaining wall, a half-gravity type retaining wall, a constant-weight type retaining wall, a thin-wall type retaining wall, and the like. The retaining wall is widely applied to projects such as house buildings, water conservancy projects, railways, roads, harbors and the like.
In the field of retaining wall construction, concrete pouring construction is an important matter. When concrete is poured, scaffold erection, template installation and reinforcement binding are required to be performed in advance. The scaffold frame need be set up as operation platform in the construction of conventional retaining wall, nevertheless often receives topography and place restriction in highway retaining wall, river course bank protection construction, is not convenient for set up the scaffold frame. The wood template and the steel template are conventional templates for concrete pouring, the method is mature, the recycling rate is high, the loss rate is high, the workload of installation and disassembly is large, the speed is low, and the progress is influenced. For the reinforced retaining wall, the reinforcing steel bars are firstly subjected to rust removal, the reinforcing steel bars are manufactured according to design drawings, the reinforcing steel bars are bound and welded through the working platform, the requirements on personal skills and experience of reinforcing steel bar workers are high, and the construction quality is difficult to guarantee. In addition, the conventional cast-in-place retaining wall is easy to have quality defects of honeycomb rough surfaces, staggered joints of the templates, exposed tie heads and the like on the outer wall surface after being demolded, has poor appearance effect, and needs to be subjected to concrete surface defect treatment and secondary decoration.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a half assembled retaining wall, this half assembled retaining wall is through the retaining wall body surface course that assembles prefabricated reinforced concrete panel as the template of cast in situ concrete wall body, has removed the complicated process of setting up the scaffold frame, demolising conventional template from, can save a large amount of manpower and materials, has also avoided receiving the limitation that the scaffold frame can't be set up in the place restriction simultaneously.
The utility model discloses a following technical scheme can realize.
The utility model provides a semi-assembled retaining wall, which comprises a cast-in-place concrete wall body; the cast-in-place concrete wall body is poured on the side face of the soil body side slope, a cast-in-place concrete foundation is arranged at the bottom of the cast-in-place concrete wall body, a soil retaining wall body surface layer covers the surface of the cast-in-place concrete wall body, and the reinforced spines are perpendicular to the soil retaining wall body surface layer and buried in the cast-in-place concrete wall body.
The drain pipe with the downward inclination traverses the cast-in-place concrete wall body and is communicated to the outside of the surface layer of the retaining wall body through the drain hole on the surface layer of the retaining wall body.
And a reverse filtering layer is covered between the soil body side slope and the cast-in-place concrete wall body.
The surface layer of the soil retaining wall body consists of a plurality of prefabricated reinforced concrete panels, and stand columns and cross beams are arranged among the prefabricated reinforced concrete panels; the prefabricated reinforced concrete panels are distributed in an array.
The upright posts and the cross beams are fixed through connecting pieces.
The reverse filtering layer is graded sand gravel.
The outlet is divided into two sections, namely a small outlet section close to the surface and a connecting section close to the back, the inner diameter of the connecting section is larger than that of the small outlet section, the drain pipe is connected to the connecting section of the outlet, and the connecting section of the outlet is in an inverted cone shape so that the drain pipe can be clamped in.
The beneficial effects of the utility model reside in that: the retaining wall surface layer assembled by the prefabricated reinforced concrete panels is used as a template of the cast-in-place concrete wall body, so that the complex procedures of building a scaffold and dismantling a conventional template are omitted, a large amount of manpower and material resources can be saved, and the limitation that the scaffold cannot be built due to the limitation of a field is avoided; the structure is simple, the assembly is convenient, the requirements on the personal skill and experience of constructors are low, and the field work efficiency is improved; the operation safety and the adaptability are strong, the engineering benefit is obvious, and the method can be popularized and applied in similar engineering.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an assembled view of the retaining wall facing of FIG. 1;
FIG. 3 is a schematic view of the back structure of the prefabricated reinforced concrete panel of FIG. 2;
fig. 4 is a schematic cross-sectional structure view of the weep hole of fig. 3.
In the figure: the concrete-reinforced concrete-based concrete-reinforced concrete composite wall comprises, by weight, 1-a soil body side slope, 2-a cast-in-place concrete foundation, 3-a reverse filter layer, 4-a retaining wall surface layer, 41-a prefabricated reinforced concrete panel, 5-a cast-in-place concrete wall body, 6-a drain pipe, 7-a connecting piece, 9-a stand column, 10-a cross beam, 11-a drain hole, 111-a drain hole small hole section, 112-a drain hole connecting section, 12-a connecting hole and 13-a reinforcing bar thorn.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A semi-assembled retaining wall as shown in fig. 1 to 4 comprises a cast-in-place concrete wall body 5; the cast-in-place concrete wall body 5 is poured on the side face of the soil body side slope 1, a cast-in-place concrete foundation 2 is arranged at the bottom of the cast-in-place concrete wall body 5, a soil retaining wall body surface layer 4 covers the surface of the cast-in-place concrete wall body 5, and reinforcing steel bars 13 are perpendicular to the soil retaining wall body surface layer 4 and buried in the cast-in-place concrete wall body 5.
The drain pipe 6 which is inclined downwards traverses the cast-in-place concrete wall body 5, and the drain pipe 6 is communicated to the outside of the retaining wall body surface layer 4 through the drain hole 11 on the retaining wall body surface layer 4.
A reverse filtering layer 3 is covered between the soil body side slope 1 and the cast-in-place concrete wall body 5.
The retaining wall surface layer 4 consists of a plurality of prefabricated reinforced concrete panels 41, and stand columns 9 and cross beams 10 are arranged among the prefabricated reinforced concrete panels 41; the prefabricated reinforced concrete panels 41 are distributed in an array.
The upright 9 and the cross beam 10 are fixed by a connecting piece 7.
The reverse filtering layer 3 is graded sand gravel.
The drain hole 11 is divided into two sections, namely a drain hole small hole section 111 close to the surface and a drain hole connecting section 112 close to the back, the inner diameter of the drain hole connecting section 112 is larger than that of the drain hole small hole section 111, the drain pipe 6 is connected in the drain hole connecting section 112, and the drain hole connecting section 112 is in an inverted cone shape so that the drain pipe 6 can be clamped in.
The utility model discloses a construction method as follows:
firstly, excavating a soil body to a design size and an elevation;
secondly, positioning the prefabricated reinforced concrete panel 41 which is not installed at the bottommost layer by adopting positioning steel bars, taking the positioned prefabricated reinforced concrete panel 41 as the prefabricated reinforced concrete panel 41 at the current layer, and assembling the stand columns 9 and the cross beams 10;
thirdly, the vertical column 9 and the cross beam 10 are fixed by penetrating and fixing bolts into the connecting holes 12 on the vertical column 9 and the cross beam 10, and the prefabricated reinforced concrete panel 41 is installed;
if the prefabricated reinforced concrete panel 41 on the layer is the bottommost layer of all the prefabricated reinforced concrete panels 41, pouring the cast-in-place concrete foundation 2 to embed the prefabricated reinforced concrete panel 41 into the cast-in-place concrete foundation 2, and if not, directly entering the next step;
fifthly, positioning the drain pipe 6 and clamping the drain pipe into the drain hole 11;
pouring a cast-in-place concrete wall body 5 between the prefabricated reinforced concrete panel 41 and the inverted filter layer 3;
if the whole construction is not completed, the step II is returned to.
Before the fifth step, firstly, laying a reverse filter layer 3 on the surface of the soil slope 1 opposite to the prefabricated reinforced concrete panel 41 on the current layer.
Examples
Adopt above-mentioned scheme, the inverted filter layer sets up at the back of retaining wall body, and retaining wall body includes cast-in-place concrete foundation, retaining wall body surface course, cast in situ concrete wall body, and retaining wall body surface course is arranged side by side and is formed through the connecting piece equipment by a plurality of prefabricated reinforced concrete panels, and retaining wall body surface course can play the template effect at the in-process of pouring of cast in situ concrete wall body.
The drain pipe is pre-embedded in the cast-in-place concrete wall body, the drain pipe is positioned and fixed before concrete pouring of the wall body, and the outlet of the drain pipe is clamped in a drain hole of a surface layer of the retaining wall body, so that two layers of non-woven geotextile are wrapped outside the drain pipe or a drainage blind material is filled in the drain pipe in order to prevent the drain pipe from being blocked;
the prefabricated reinforced concrete panel comprises a panel, stand columns, cross beams, water drainage holes and reinforcing steel bars, wherein the stand columns are longitudinally arranged along the horizontal extension direction of the panel, the cross beams are horizontally arranged along the top edge and the bottom edge of the panel, the water drainage holes are uniformly arranged in the middle of the panel along the horizontal extension direction of the panel, and the reinforcing steel bars are uniformly arranged on the panel along the normal line of the panel and the end parts of the reinforcing steel bars are Y-shaped;
one end of an upright post of the prefabricated reinforced concrete panel is flush with the panel, the other end of the upright post extends out of the side line of the panel, the width of the end part is half of the width of the middle part of the prefabricated reinforced concrete panel and is aligned with the outer edge line of the upright post, and meanwhile, lateral connecting holes are arranged at the end part and the middle part of the upright post along the axis of the upright post;
the transverse beams of the prefabricated reinforced concrete panel are arranged on the top edge and the bottom edge of the panel and are flush with the outer edge lines of the panel, the end parts of the transverse beams are flush with the outer edge lines of the upright columns on the two sides of the transverse beams, and meanwhile, longitudinal connecting holes are arranged along the axial lines of the transverse beams;
after the adjacent prefabricated reinforced concrete panels are accurately positioned, bolts are installed in the lateral connecting holes of the stand columns and the longitudinal connecting holes of the cross beams, and nuts are screwed down, so that the assembly of the retaining wall body panels is completed;
the water discharge openings of the prefabricated reinforced concrete panel are uniformly arranged in the middle of the panel along the normal line of the panel, the outer side aperture of each water discharge opening is small, the inner side aperture (close to the side of the cast-in-place concrete wall) is large, the inner side aperture is slightly larger than the water discharge pipe and is arranged in an inverted cone shape, the water discharge holes are conveniently clamped in the water discharge openings, and the water discharge opening structure can effectively prevent cast-in-place concrete from overflowing along the water discharge openings; as further optimization, the drainage holes can be arranged obliquely to the normal direction of the panel for specific engineering;
the steel bar spines of the prefabricated reinforced concrete panel are mainly used for tightly connecting the prefabricated reinforced concrete panel and the cast-in-place concrete wall body into a whole so as to enhance the structural integrity;
the inverted filter layer is of a graded sand gravel structure, and construction is carried out on a soil body side slope on the back side of the retaining wall before wall concrete is poured; as a further optimization, the reverse filter layer can be adjusted into a reverse filter bag according to different cross section forms of the retaining wall.
The construction in the embodiment specifically comprises the following steps:
a. excavating the soil body of the foundation and the wall back of the retaining wall to the designed size and elevation, positioning the prefabricated reinforced concrete panels 41 at the bottom layer of the surface layer 4 of the retaining wall by using positioning steel bars, installing the prefabricated reinforced concrete panels in the lateral connecting holes of the adjacent prefabricated reinforced concrete panels by using bolts after accurate positioning, and screwing nuts to finish the assembly of the reinforced concrete panels 41;
b. after the bottom reinforced concrete panels of the retaining wall surface layer are firmly assembled, pouring a cast-in-place concrete foundation, and embedding the retaining wall surface layer of the bottom layer into the cast-in-place concrete foundation so as to enhance the structural integrity;
c. upwards positioning and assembling a prefabricated reinforced concrete panel 41 of a surface layer of a retaining wall body according to the designed section size, constructing a reverse filter layer on a soil body slope at the back side of the retaining wall, positioning a wall body pre-embedded drain pipe, clamping the wall body pre-embedded drain pipe into a drain hole on the prefabricated reinforced concrete panel, and then pouring the concrete wall body;
d. and c, completing the construction of the whole retaining wall layer by layer from bottom to top in sequence according to the method in the step c.
Therefore, the adjacent panels are tightly connected by the connecting pieces through the longitudinal and lateral connecting holes of the prefabricated reinforced concrete panels, the stress problem of the panels in the construction period can be effectively solved, the problem of the overflow of cast-in-place concrete along the hole opening can be effectively solved through the detailed optimization of the structure of the drainage hole, and the concrete wall surface layer and the cast-in-place retaining wall body are connected into a whole through the reinforcing steel bar thorns, so that the structural stress is improved; the prefabricated reinforced concrete panel can be transported to the field for assembly in a factory, the engineering quality is easy to guarantee, and the surface layer is decorated in the factory so that the retaining wall has good landscape effect; meanwhile, the prefabricated reinforced concrete panel can improve the scouring resistance of the retaining wall in the early stage, and the effect of shortening the construction period is obvious.
Claims (7)
1. The utility model provides a half assembled retaining wall, includes cast in situ concrete wall body (5), its characterized in that: the cast-in-place concrete wall body (5) is poured on the side face of the soil body side slope (1), a cast-in-place concrete foundation (2) is arranged at the bottom of the cast-in-place concrete wall body (5), a soil retaining wall body surface layer (4) covers the surface of the cast-in-place concrete wall body (5), and reinforcing steel bars (13) perpendicular to the soil retaining wall body surface layer (4) are embedded into the cast-in-place concrete wall body (5).
2. A semi-fabricated retaining wall according to claim 1, characterized in that: the drain pipe (6) which inclines downwards penetrates through the cast-in-place concrete wall body (5), and the drain pipe (6) is communicated to the outside of the retaining wall body surface layer (4) through a drain hole (11) on the retaining wall body surface layer (4).
3. A semi-fabricated retaining wall according to claim 1, characterized in that: and a reverse filtering layer (3) is covered between the soil body side slope (1) and the cast-in-place concrete wall body (5).
4. A semi-fabricated retaining wall according to claim 1, characterized in that: the surface layer (4) of the retaining wall body consists of a plurality of prefabricated reinforced concrete panels (41), and stand columns (9) and cross beams (10) are arranged among the prefabricated reinforced concrete panels (41); the prefabricated reinforced concrete panels (41) are distributed in an array.
5. The semi-fabricated retaining wall of claim 4, wherein: the upright posts (9) and the cross beams (10) are fixed through connecting pieces (7).
6. A semi-fabricated retaining wall according to claim 3, characterized in that: the reverse filtering layer (3) is graded sand gravel.
7. A semi-fabricated retaining wall according to claim 2, characterized in that: the drain hole (11) is divided into two sections, namely a drain hole small hole section (111) close to the surface and a drain hole connecting section (112) of the backrest surface, the inner diameter of the drain hole connecting section (112) is larger than that of the drain hole small hole section (111), the drain pipe (6) is connected to the drain hole connecting section (112), and the drain hole connecting section (112) is in an inverted cone shape so that the drain pipe (6) can be clamped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196410.5U CN212715014U (en) | 2020-06-24 | 2020-06-24 | Semi-assembled retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196410.5U CN212715014U (en) | 2020-06-24 | 2020-06-24 | Semi-assembled retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212715014U true CN212715014U (en) | 2021-03-16 |
Family
ID=74963291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021196410.5U Active CN212715014U (en) | 2020-06-24 | 2020-06-24 | Semi-assembled retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212715014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411803A (en) * | 2022-01-27 | 2022-04-29 | 中交一航局第五工程有限公司 | Construction method for connecting prefabricated hanging plate and retaining wall |
| CN115977145A (en) * | 2023-01-10 | 2023-04-18 | 中国十七冶集团有限公司 | Upward-inclined rubble concrete retaining wall single-side formwork reinforcing structure system and method |
-
2020
- 2020-06-24 CN CN202021196410.5U patent/CN212715014U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411803A (en) * | 2022-01-27 | 2022-04-29 | 中交一航局第五工程有限公司 | Construction method for connecting prefabricated hanging plate and retaining wall |
| CN114411803B (en) * | 2022-01-27 | 2024-01-02 | 中交一航局第五工程有限公司 | Construction method for connecting prefabricated hanging plate and retaining wall |
| CN115977145A (en) * | 2023-01-10 | 2023-04-18 | 中国十七冶集团有限公司 | Upward-inclined rubble concrete retaining wall single-side formwork reinforcing structure system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106854873B (en) | Engineering method of prefabricated spliced open caisson type parking garage and parking garage | |
| CN106968256A (en) | Foundation ditch assembled steel trestle construction method | |
| CN110042716B (en) | Widening construction method for high-fill roadbed with foamed light soil | |
| CN212715014U (en) | Semi-assembled retaining wall | |
| CN113431082B (en) | Fast-assembly retaining wall structure and construction method thereof | |
| CN112482405A (en) | Prefabricated slope protection device and construction method thereof | |
| CN111894040A (en) | Construction method of assembled working well | |
| CN114775352A (en) | Widening structure for embankment wall section of existing roadbed in riverside and construction method | |
| CN108589769B (en) | Construction method of super-long rock-socketed T-shaped combined column plate high retaining wall | |
| CN111622234B (en) | Unloading type thin-wall box-type retaining wall supported by obliquely and vertically combined steel pipe pile and construction process | |
| CN102116036A (en) | Method for constructing underground large building by combining top-down construction method technology with sequence construction method technology | |
| CN113818352B (en) | Soft foundation high pier curve cast-in-situ box girder bridge and construction method thereof | |
| CN108130889A (en) | Pump lock main body bottom plate and flow channel layer side wall step construction joint method for production | |
| CN111270690B (en) | Slope supporting structure and construction method thereof | |
| CN212742154U (en) | Steel reinforced concrete arch bridge | |
| CN112813996A (en) | Construction method of deepwater cast-in-place concrete cofferdam | |
| CN103572762B (en) | The bracket of the oblique inner support lower end of foundation pit supporting construction and fabrication tool and construction method | |
| JP6931876B2 (en) | How to build a permeable wall for slope reinforcement | |
| CN203821398U (en) | Bracket and manufacturing tool of inner inclined support lower end of ground pit supporting structure | |
| CN113186869A (en) | Pile foundation prefabricated concrete square wall type revetment and construction method | |
| CN111996989A (en) | Slope protection structure based on construction waste and construction method thereof | |
| CN207862947U (en) | A kind of enclosure structure of foundation pit of subway station support | |
| CN206916773U (en) | Foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil | |
| CN216239712U (en) | Biological detention ditch side wall formwork structure | |
| CN214061687U (en) | Flexible water-permeable cutting retaining wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |