CN109778903B - Detachable assembly type reinforced concrete retaining wall structure and construction method - Google Patents
Detachable assembly type reinforced concrete retaining wall structure and construction method Download PDFInfo
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- CN109778903B CN109778903B CN201910075513.1A CN201910075513A CN109778903B CN 109778903 B CN109778903 B CN 109778903B CN 201910075513 A CN201910075513 A CN 201910075513A CN 109778903 B CN109778903 B CN 109778903B
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Abstract
The invention discloses a detachable assembled reinforced concrete retaining wall structure, which comprises a foundation slab, two end fixing ends, a middle fixing end and a prefabricated reinforced concrete retaining wall section, wherein: the foundation bottom plates are provided with a plurality of parts which are mutually separated into a multi-section structure; two sides of the multi-section structure of the foundation slab are respectively provided with two end fixing ends, and the foundation slabs are separated and fixedly connected through a middle fixing end; two sliding grooves are arranged on the upper surface of the base plate in parallel, and reserved slots are arranged on the inner sides of fixed ends at two ends; the bottom of the prefabricated reinforced concrete retaining wall section is provided with two bulge structures in parallel, and the bulge structures are connected with the sliding grooves in a matched mode; one side of the prefabricated reinforced concrete retaining wall section is provided with an embedded I-shaped steel, and the other side of the prefabricated reinforced concrete retaining wall section is provided with a reserved slot; one side of the middle fixed end is provided with an embedded I-shaped steel, and the other side is provided with a reserved slot; the invention has high construction efficiency, and the retaining wall can be spliced and disassembled, thereby providing the utilization rate.
Description
Technical Field
The invention relates to the field of reinforced concrete retaining wall construction, in particular to a detachable assembly type reinforced concrete retaining wall structure and a construction method.
Background
In current foundation structure work progress, in order to protect, block the earth, the grit of basic side slope, can adopt retaining wall structure usually. Traditional retaining wall is built through concrete placement integrated into one piece, adopts and parallels the pile anchor and fixes to the earth's surface, and the pile anchor can prevent effectively that the retaining wall from being toppled over by slope earth, grit that come side by side, but, this kind of retaining wall in case of building up, unfavorable dismantlement, not reuse cause the waste of resource, are unfavorable for project cost's control and efficiency of construction's promotion.
Disclosure of Invention
The invention aims to solve the technical problem of providing a detachable assembly type reinforced concrete retaining wall structure and a construction method aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a detachable assembly type reinforced concrete retaining wall structure, which comprises a foundation slab, two end fixing ends, a middle fixing end and a prefabricated reinforced concrete retaining wall section, wherein:
the foundation bottom plates are provided with a plurality of parts which are mutually separated into a multi-section structure; two sides of the multi-section structure of the foundation slab are respectively provided with two end fixing ends, and the foundation slabs are separated and fixedly connected through a middle fixing end;
two sliding grooves are arranged on the upper surface of the base plate in parallel, and reserved slots are arranged on the inner sides of fixed ends at two ends; the bottom of the prefabricated reinforced concrete retaining wall section is provided with two bulge structures in parallel, and the bulge structures are connected with the sliding grooves in a matched mode; one side of the prefabricated reinforced concrete retaining wall section is provided with an embedded I-shaped steel, and the other side of the prefabricated reinforced concrete retaining wall section is provided with a reserved slot; one side of the middle fixed end is provided with an embedded I-shaped steel, and the other side is provided with a reserved slot;
the foundation slab is fixedly spliced with the fixed ends at two ends of one side, the first prefabricated reinforced concrete retaining wall section is arranged on the chute, and the prefabricated reinforced concrete retaining wall section is slid, so that the embedded I-shaped steel on the prefabricated reinforced concrete retaining wall section is mutually connected with the reserved slots on the fixed ends at two ends; connecting and installing a plurality of prefabricated reinforced concrete retaining wall sections in sequence according to the designed length; mounting the middle fixed end on the other side of the foundation slab, and connecting the middle fixed end with the embedded slots on the prefabricated reinforced concrete retaining wall section through the embedded I-shaped steel on the middle fixed end to form a retaining wall structure; and continuously completing the assembly of the multi-section retaining wall structure to obtain the integral retaining wall structure.
Furthermore, the foundation slab, the two end fixing ends and the middle fixing end are all arranged in a foundation trench dug in the ground at the construction position of the retaining wall.
Furthermore, gaps among the foundation slab, the fixed ends at the two ends, the fixed end in the middle and foundation grooves dug in the ground at the construction position of the retaining wall are filled and reinforced.
Furthermore, the quantity of the reserved slots arranged on the two end fixing ends, the middle fixing end and the prefabricated reinforced concrete retaining wall section is equal to or less than two.
Furthermore, the quantity of the embedded I-shaped steel arranged on the two end fixing ends, the middle fixing end and the prefabricated reinforced concrete retaining wall section is equal to each other, and is not less than two; and the quantity of the pre-buried I-shaped steel is equal to that of the reserved slots.
The invention provides a construction method of a detachable assembly type reinforced concrete retaining wall structure, which comprises the following steps:
step one, paying off and positioning: setting out the line by using a measuring instrument according to engineering design, leveling a construction site of the retaining wall, and positioning the position of a foundation slab of the retaining wall by using the measuring instrument;
step two, constructing fixed ends at two ends of the foundation slab of the retaining wall: according to the design size of the foundation slab of the retaining wall and the fixed ends at the two ends, excavating a base groove on the site, placing the foundation slab of the retaining wall and the fixed ends at the two ends in the base groove, and burying and reinforcing the residual gap in the base groove;
step three, assembling the reinforced concrete retaining wall section: hoisting the prefabricated reinforced concrete retaining wall section to ensure that the bottom protruding structure of the prefabricated reinforced concrete retaining wall section is matched with the base plate sliding groove, inserting I-shaped steel pre-embedded in the prefabricated reinforced concrete retaining wall section into the fixed ends at two ends and the reserved slots of the prefabricated reinforced concrete retaining wall section, and tightly combining staggered joints between the reinforced concrete retaining wall section and the fixed ends at two ends;
step four, setting a middle fixed end: reserving dowel bars in the middle of the foundation slab every 20m, and pouring a middle fixed end according to the design reinforcement requirement;
fifthly, determining the number of the I-shaped steel to be embedded and the reserved slots according to the height of the detachable assembly type reinforced concrete retaining wall designed by engineering;
and step six, repeating the step three to the step five, and constructing the middle fixed ends of the precast reinforced concrete retaining wall section and the retaining wall of the next positioning point.
The invention has the following beneficial effects: according to the detachable assembly type reinforced concrete retaining wall structure and the construction method, I-shaped steel is reserved on the reinforced concrete retaining wall section, and the lower part of the reinforced concrete retaining wall section adopts a convex structure design, so that the reinforced concrete retaining wall section is tightly combined with the fixed end and the reinforced concrete retaining wall section, and the requirement on the strength of the retaining wall is met; the reinforced concrete retaining wall section and the fixed end or the reinforced concrete retaining wall section adopt the staggered joint design, so that the waterproof effect of the joint of the retaining wall is achieved; through setting up the design is assembled to reinforced concrete retaining wall section, can carry out reinforced concrete retaining wall section prefabrication in advance, effectual improvement efficiency of construction, secondary utilization can be retrieved to reinforced concrete retaining wall section, the effectual construction cost of having practiced thrift.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a prefabricated reinforced concrete retaining wall segment structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention relates to a detachable assembly type reinforced concrete retaining wall structure, which can set the number of segments of a prefabricated reinforced concrete retaining wall according to actual needs on site, and achieves the purposes of detaching, recycling and preventing water of the reinforced concrete retaining wall through pre-embedding I-shaped steel, a base bottom sliding groove and staggered joint seams of the prefabricated reinforced concrete segments, thereby solving the technical problems that the traditional retaining wall is not detachable, prefabricated and recyclable.
The detachable assembly type reinforced concrete retaining wall structure of the embodiment of the invention is characterized by comprising a foundation slab 1, two end fixing ends 3, a middle fixing end 4 and a prefabricated reinforced concrete retaining wall section 5, wherein:
the foundation bottom plates 1 are arranged in plurality and are mutually separated into a multi-section structure; two sides of the multi-section structure of the foundation slab 1 are respectively provided with two end fixing ends 3, and the foundation slabs 1 are separated and fixedly connected through a middle fixing end 4;
the upper surface of the foundation slab 1 is provided with two sliding chutes 2 in parallel, and the inner sides of the fixed ends 3 at the two ends are provided with reserved slots 7; two convex structures 8 are arranged at the bottom of the prefabricated reinforced concrete retaining wall section 5 in parallel, and the convex structures 8 are connected with the sliding grooves 2 in a matched mode; one side of the precast reinforced concrete retaining wall section 5 is provided with an embedded I-shaped steel 6, and the other side is provided with a reserved slot 7; one side of the middle fixed end 4 is provided with an embedded I-shaped steel 6, and the other side is provided with a reserved slot 7;
the foundation slab 1 is fixedly spliced with the fixed ends 3 at two ends of one side, the first prefabricated reinforced concrete retaining wall section 5 is arranged on the sliding groove 2, and the prefabricated reinforced concrete retaining wall section 5 is slid, so that the embedded I-shaped steel 6 on the prefabricated reinforced concrete retaining wall section 5 is mutually connected with the reserved slots 7 on the fixed ends 3 at two ends; connecting and installing a plurality of prefabricated reinforced concrete retaining wall sections 5 in sequence according to the designed length; installing the middle fixed end 4 on the other side of the foundation slab 1, and connecting the middle fixed end 4 with an embedded slot 7 on the precast reinforced concrete retaining wall section 5 through an embedded I-shaped steel 6 on the middle fixed end to form a retaining wall structure; and continuously completing the assembly of the multi-section retaining wall structure to obtain the integral retaining wall structure.
The foundation slab 1, the two end fixing ends 3 and the middle fixing end 4 are all arranged in a foundation trench dug in the ground at the construction position of the retaining wall. And gaps among the foundation slab 1, the two end fixing ends 3, the middle fixing end 4 and foundation grooves dug in the ground at the construction position of the retaining wall are filled and reinforced.
The quantity of the reserved slots 7 arranged on the two end fixing ends 3, the middle fixing end 4 and the prefabricated reinforced concrete retaining wall section 5 is equal to that of the reserved slots 7, and the number of the reserved slots is not less than two. The quantity of the embedded I-shaped steel 6 arranged on the two end fixing ends 3, the middle fixing end 4 and the prefabricated reinforced concrete retaining wall section 5 is equal to that of the embedded I-shaped steel 6, and is not less than two; and the number of the pre-buried I-shaped steel 6 is equal to that of the reserved slots 7.
The construction method of the detachable assembly type reinforced concrete retaining wall structure provided by the embodiment of the invention comprises the following steps:
step one, paying off and positioning: setting out the line by using a measuring instrument according to engineering design, leveling a construction site of the retaining wall, and positioning the position of a foundation slab of the retaining wall by using the measuring instrument;
step two, constructing fixed ends at two ends of the foundation slab of the retaining wall: according to the design size of the foundation slab of the retaining wall and the fixed ends at the two ends, excavating a base groove on the site, placing the foundation slab of the retaining wall and the fixed ends at the two ends in the base groove, and burying and reinforcing the residual gap in the base groove;
step three, assembling the reinforced concrete retaining wall section: hoisting the prefabricated reinforced concrete retaining wall section to ensure that the bottom protruding structure of the prefabricated reinforced concrete retaining wall section is matched with the base plate sliding groove, inserting I-shaped steel pre-embedded in the prefabricated reinforced concrete retaining wall section into the fixed ends at two ends and the reserved slots of the prefabricated reinforced concrete retaining wall section, and tightly combining staggered joints between the reinforced concrete retaining wall section and the fixed ends at two ends;
step four, setting a middle fixed end: reserving dowel bars in the middle of the foundation slab every 20m, and pouring a middle fixed end according to the design reinforcement requirement;
fifthly, determining the number of the I-shaped steel to be embedded and the reserved slots according to the height of the detachable assembly type reinforced concrete retaining wall designed by engineering;
and step six, repeating the step three to the step five, and constructing the middle fixed ends of the precast reinforced concrete retaining wall section and the retaining wall of the next positioning point.
The invention has the following beneficial effects:
(1) the invention reserves I-shaped steel on the reinforced concrete retaining wall section, adopts the convex structure design on the lower part, and leads the reinforced concrete retaining wall section to be tightly combined with the fixed end, the reinforced concrete retaining wall section and the reinforced concrete retaining wall section, thereby achieving the requirement of the strength of the retaining wall;
(2) the reinforced concrete retaining wall section and the fixed end (or the reinforced concrete retaining wall section) adopt the staggered joint design, so that the waterproof effect of the joint of the retaining wall is achieved;
(3) according to the invention, through the splicing design of the reinforced concrete retaining wall sections, the reinforced concrete retaining wall sections can be prefabricated in advance, the construction efficiency is effectively improved, the reinforced concrete retaining wall sections can be recycled, and the construction cost is effectively saved.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides a can dismantle assembled reinforced concrete retaining wall structure, its characterized in that, this retaining wall structure includes soleplate (1), both ends stiff end (3), middle stiff end (4) and prefabricated reinforced concrete retaining wall section (5), wherein:
a plurality of foundation bottom plates (1) are arranged and are mutually separated into a multi-section structure; two sides of the multi-section structure of the foundation slab (1) are respectively provided with two end fixing ends (3), and the foundation slabs (1) are separated and fixedly connected through a middle fixing end (4);
two sliding grooves (2) are arranged on the upper surface of the foundation slab (1) in parallel, and reserved slots (7) are arranged on the inner sides of the fixed ends (3) at the two ends; two protruding structures (8) are arranged at the bottom of the prefabricated reinforced concrete retaining wall section (5) in parallel, and the protruding structures (8) are connected with the sliding grooves (2) in a matched mode; one side of the precast reinforced concrete retaining wall section (5) is provided with an embedded I-shaped steel (6), and the other side is provided with a reserved slot (7); one side of the middle fixed end (4) is provided with an embedded I-shaped steel (6), and the other side is provided with a reserved slot (7);
the foundation slab (1) is fixedly spliced with the fixed ends (3) at two ends of one side, the first prefabricated reinforced concrete retaining wall section (5) is installed on the sliding groove (2), and the prefabricated reinforced concrete retaining wall section (5) is slid, so that the embedded I-shaped steel (6) on the prefabricated reinforced concrete retaining wall section (5) is connected with the reserved slots (7) on the fixed ends (3) at two ends; connecting and installing a plurality of prefabricated reinforced concrete retaining wall sections (5) in sequence according to the designed length; the middle fixing end (4) is arranged at the other side of the foundation slab (1) and is connected with the pre-buried slot (7) on the precast reinforced concrete retaining wall section (5) through the pre-buried I-shaped steel (6) on the middle fixing end (4) to form a retaining wall structure; continuously completing the assembly of the multi-section retaining wall structure to obtain an integral retaining wall structure;
the number of the reserved slots (7) arranged on the two end fixing ends (3), the middle fixing end (4) and the prefabricated reinforced concrete retaining wall section (5) is equal to or less than two;
the quantity of the embedded I-shaped steel (6) arranged on the two end fixing ends (3), the middle fixing end (4) and the prefabricated reinforced concrete retaining wall section (5) is equal to or less than two; and the number of the pre-buried I-shaped steel (6) is equal to that of the reserved slots (7).
2. A demountable assembly-type reinforced concrete retaining wall structure according to claim 1, wherein the foundation plate (1), the both end fixing ends (3), and the middle fixing end (4) are all disposed in a foundation groove excavated in the ground at the construction site of the retaining wall.
3. A detachable assembled reinforced concrete retaining wall structure according to claim 2, wherein the gaps between the foundation slab (1), the both end fixing ends (3), the middle fixing end (4) and the foundation trench excavated in the ground at the construction site of the retaining wall are filled and reinforced.
4. A construction method of a detachably assembled reinforced concrete retaining wall structure according to any one of claims 1 to 3, comprising the steps of:
step one, paying off and positioning: setting out the line by using a measuring instrument according to engineering design, leveling a construction site of the retaining wall, and positioning the position of a foundation slab of the retaining wall by using the measuring instrument;
step two, constructing fixed ends at two ends of the foundation slab of the retaining wall: according to the design size of the foundation slab of the retaining wall and the fixed ends at the two ends, excavating a base groove on the site, placing the foundation slab of the retaining wall and the fixed ends at the two ends in the base groove, and burying and reinforcing the residual gap in the base groove;
step three, assembling the reinforced concrete retaining wall section: hoisting the prefabricated reinforced concrete retaining wall section to ensure that the bottom protruding structure of the prefabricated reinforced concrete retaining wall section is matched with the base plate sliding groove, inserting I-shaped steel pre-embedded in the prefabricated reinforced concrete retaining wall section into the fixed ends at two ends and the reserved slots of the prefabricated reinforced concrete retaining wall section, and tightly combining staggered joints between the reinforced concrete retaining wall section and the fixed ends at two ends;
step four, setting a middle fixed end: reserving dowel bars in the middle of the foundation slab every 20m, and pouring a middle fixed end according to the design reinforcement requirement;
fifthly, determining the number of the I-shaped steel to be embedded and the reserved slots according to the height of the detachable assembly type reinforced concrete retaining wall designed by engineering;
and step six, repeating the step three to the step five, and constructing the middle fixed ends of the precast reinforced concrete retaining wall section and the retaining wall of the next positioning point.
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| CN201910075513.1A CN109778903B (en) | 2019-01-25 | 2019-01-25 | Detachable assembly type reinforced concrete retaining wall structure and construction method |
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| CN201910075513.1A CN109778903B (en) | 2019-01-25 | 2019-01-25 | Detachable assembly type reinforced concrete retaining wall structure and construction method |
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| CN109778903B true CN109778903B (en) | 2021-04-02 |
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| CN110185061B (en) * | 2019-07-04 | 2024-03-29 | 河南聚誉帆工程技术咨询有限公司 | Assembled integral type underground space retaining wall and construction method |
| CN110344512B (en) * | 2019-07-26 | 2021-01-05 | 徐州市帝龙新型墙体材料有限公司 | Prefabricated reinforced concrete shear wall |
| CN112523253A (en) * | 2020-11-23 | 2021-03-19 | 中建桥梁有限公司 | Construction method of reusable retaining wall |
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| CN105937244A (en) * | 2016-05-20 | 2016-09-14 | 西南交通大学 | Beam column plate type embankment earth-retaining wall on steep slope foundation and construction method thereof |
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