CN110820795B - Double-deck corrugated steel plate concrete combination retaining wall - Google Patents
Double-deck corrugated steel plate concrete combination retaining wall Download PDFInfo
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- CN110820795B CN110820795B CN201910983973.4A CN201910983973A CN110820795B CN 110820795 B CN110820795 B CN 110820795B CN 201910983973 A CN201910983973 A CN 201910983973A CN 110820795 B CN110820795 B CN 110820795B
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- 239000010959 steel Substances 0.000 title claims abstract description 151
- 239000004567 concrete Substances 0.000 title claims abstract description 60
- 239000000203 mixture Substances 0.000 title claims description 4
- 239000010410 layer Substances 0.000 claims description 60
- 238000010276 construction Methods 0.000 claims description 13
- 239000011229 interlayer Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 238000009417 prefabrication Methods 0.000 claims description 3
- 210000000282 Nails Anatomy 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 230000000149 penetrating Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
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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
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
Abstract
The invention relates to a double-layer corrugated steel plate concrete combined retaining wall which comprises a retaining wall bottom plate and one or more retaining wall vertical plates vertically fixed on the retaining wall bottom plate through a connector, wherein adjacent retaining wall vertical plates are mutually connected through square steel tube concrete members. Compared with the prior art, the invention has the advantages of firm connection, prefabricated template, improved impermeability and stress performance and the like.
Description
Technical Field
The invention relates to the field of slope support engineering, in particular to a double-layer corrugated steel plate concrete combined retaining wall.
Background
China is a country with changeable topography and landform and complex geological conditions, along with the development of national economy, a large number of facilities such as railways, highways, water conservancy, mines, cities and towns are built, the number of the excavated and piled slopes in natural slopes and human engineering activities is more and more, and the height of the excavated and piled slopes is larger and larger, so that the slope supporting engineering is more and more important. The retaining wall is used as a building (structure) for supporting a natural side slope or an artificial side slope and keeping soil stable, and has wide application in the engineering fields of highways, railways, water conservancy, buildings and the like. Traditional retaining wall is mostly become by the masonry, concrete or reinforced concrete constitution, and is higher to the foundation bearing capacity requirement, and anti-seismic performance is poor, and economic nature is general, and to a great extent receives the construction condition restriction, and especially the adaptability is relatively poor under unfavorable geological conditions.
In addition, compared with common materials, the corrugated steel plate has unique advantages, small weight, high bearing capacity, convenient construction and wide application range, is mainly applied to pipe culverts at present, and is not applied to retaining walls.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a double-layer corrugated steel plate concrete combined retaining wall.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a double-deck ripple steel sheet concrete combination retaining wall, includes the retaining wall bottom plate and through one or more retaining wall riser of connector vertical fixation on the retaining wall bottom plate, through square steel tube concrete member interconnect between adjacent retaining wall riser.
The vertical retaining wall plate is composed of an inner-layer corrugated steel plate, an outer-layer corrugated steel plate and interlayer concrete poured between the inner-layer corrugated steel plate and the outer-layer corrugated steel plate.
The inner corrugated steel plate and the outer corrugated steel plate are respectively embedded with channel steel, and the side plate of the channel steel is fixedly connected with the inner corrugated steel plate and the outer corrugated steel plate through second bolts.
And the vertical retaining wall plate and the square concrete-filled steel tube member are fixedly connected through a bottom plate of the channel steel and a fourth bolt.
And spring gaskets are arranged between the second bolts and the inner-layer corrugated steel plate and between the second bolts and the outer-layer corrugated steel plate respectively, and spring gaskets are arranged between the fourth bolts and the square concrete-filled steel tube member.
And the preset positions of the inner-layer corrugated steel plate and the outer-layer corrugated steel plate are clamped and fixed through a first bolt penetrating through the interlayer concrete.
And spring gaskets are arranged between the first bolts and the inner-layer corrugated steel plate and between the first bolts and the outer-layer corrugated steel plate respectively.
The connector comprises angle steel and anchors pre-buried in a bottom plate of the retaining wall, vertical plates of the angle steel are fixed on the vertical plates of the retaining wall through third bolts, the bottom plate is fixed with the bottom plate of the retaining wall through L-shaped anchors, and concrete is poured at the connection position of the angle steel in situ for forming.
The vertical retaining wall plate and the bottom retaining wall plate are formed by prefabrication or cast-in-place.
The inner-layer corrugated steel plate and the outer-layer corrugated steel plate are both acid-free hot-dip galvanized corrugated steel plates.
The construction method of the double-layer corrugated steel plate concrete combined retaining wall comprises the following steps:
1) pouring the retaining wall bottom plate, wherein the anchor bolts are embedded in advance in the pouring process;
2) the bottom plate of the retaining wall is respectively connected with the inner-layer corrugated steel plate and the outer-layer corrugated steel plate through angle steel, the angle steel is connected with the inner-layer corrugated steel plate and the outer-layer corrugated steel plate through third bolts, and the angle steel is connected with the bottom plate of the retaining wall through rivets;
3) connecting the inner-layer corrugated steel plate and the outer-layer corrugated steel plate by adopting a first bolt according to a preset position so as to ensure the thickness and the construction stability of the sandwich layer concrete;
4) connecting the channel steel with the square steel tube concrete member and the vertical plate of the retaining wall respectively through a second bolt and a fourth bolt;
5) concrete pouring is carried out between the inner-layer corrugated steel plate and the outer-layer corrugated steel plate and at the joints of the vertical retaining wall plates and the bottom retaining wall plates, and construction is completed.
And in the step 3), the inner-layer corrugated steel plate and the outer-layer corrugated steel plate which are connected by the first bolt and the channel steel connected by the second bolt are used as the whole concrete template.
And in the step 4), the plurality of vertical retaining wall plates are connected through the plurality of square steel tube concrete members to increase the transverse size of the retaining wall.
Compared with the prior art, the invention has the following advantages:
1. the retaining wall vertical plate and the retaining wall bottom plate can be prefabricated in a factory, and the construction quality and efficiency of the structure are improved.
2. Being connected through the angle steel between retaining wall riser and the retaining wall bottom plate, having avoided the easy intensity defect problem that appears of traditional welding method, having strengthened the bulk strength of retaining wall, the firm connection of retaining wall riser and retaining wall bottom plate is further strengthened to junction cast in situ concrete simultaneously.
3. The double-layer corrugated steel plate structure can be used as a template for cast-in-place construction, so that the construction progress is accelerated, and the using amount of the template is reduced.
4. The structural form of the double-layer corrugated steel plate obviously improves the impermeability and the stress performance of the structure, and can effectively resist the corrosion of severe environment.
Drawings
Fig. 1 is a schematic structural view of a double-deck corrugated steel plate concrete composite retaining wall according to the present invention.
Fig. 2 is a schematic structural view of a vertical plate of a retaining wall according to the present invention.
FIG. 3 is a schematic view of the structure of the joint between the corrugated steel plate and the concrete of the retaining wall vertical plate of the present invention.
FIG. 4 is a schematic view showing the connection between the corrugated steel plate and the square steel pipe member according to the present invention.
FIG. 5 is a schematic view of the connection between the vertical retaining wall plate and the bottom retaining wall plate.
The notation in the figure is:
1. the retaining wall comprises retaining wall vertical plates 11, inner-layer corrugated steel plates 12, outer-layer corrugated steel plates 13, sandwich concrete 2, retaining wall bottom plates 21, anchor bolts 22, nuts 3, step-shaped connecting bodies 31, angle steel 32, third bolts 33, concrete 4, square steel pipe concrete members 51, first bolts 52, channel steel 53, second bolts 54 and fourth bolts.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
Example (b):
as shown in fig. 1, the present example provides a double-layer corrugated steel plate concrete combined retaining wall, which comprises a retaining wall vertical plate 1, a retaining wall bottom plate 2, a connector 3 and a square steel tube concrete member 4, wherein the retaining wall vertical plate 1 comprises an inner-layer corrugated steel plate 11, an outer-layer corrugated steel plate 12 and an interlayer concrete 13. The anchor bolts 21 are embedded in the retaining wall base plate 2, the connecting body 3 comprises the anchor bolts 21, nuts 22, angle steel 31, third bolts 32 and cast-in-place concrete 33, and the retaining wall vertical plate 1 and the retaining wall base plate 2 are fixedly connected together through the connecting body 3.
The retaining wall vertical plate 1 and the retaining wall bottom plate 2 are produced through factory prefabrication and maintained in a standardized mode, the retaining wall vertical plate 1 is composed of an inner corrugated steel plate 11, an outer corrugated steel plate 12 and interlayer concrete 13, the structure is shown in fig. 2, the connection mode among the inner corrugated steel plate 11, the outer corrugated steel plate 12 and the interlayer concrete 13 is shown in fig. 3, namely the inner corrugated steel plate 11 and the outer corrugated steel plate 12 are connected through a first bolt 51, the two ends of the retaining wall vertical plate 1 are sealed through a channel steel 52 and a second bolt 53, and then the interlayer concrete 13 is formed by pouring concrete in an interlayer. The anchor bolts 21 are embedded in the course of prefabricating the retaining wall panel 2. Transport to the job site after the concrete in retaining wall riser 1 and the retaining wall bottom plate 2 reaches design strength, assemble, retaining wall riser 1 and retaining wall bottom plate 2's concatenation mode is shown in fig. 5, set up angle steel 31 at retaining wall riser 1 and retaining wall bottom plate 2 junction promptly, then link to each other angle steel 31 and retaining wall riser 1 through third bolt 32, link to each other angle steel 31 and retaining wall bottom plate 2 through anchor nail 21, for the reliability of guaranteeing to connect, assemble the back and pour concrete 33 in the junction. This structure belongs to light-duty retaining wall structure, and is low to the foundation bearing capacity requirement, and intensity is reliable, saves the amount of labour, reduction of erection time, the prefabricated production of the low-cost high efficiency of being convenient for.
If the retaining wall vertical plate 1 and the retaining wall bottom plate 2 are both poured and assembled on site, the whole manufacturing process is as follows:
the first step is as follows: pouring the retaining wall base plate 2, wherein the anchor 21 is embedded in the pouring process;
the second step is that: the retaining wall bottom plate 2 and the inner and outer layer corrugated steel plates 11 and 12 are respectively connected through angle steel 31, the angle steel 31 is connected with the inner and outer layer corrugated steel plates 11 and 12 through a third bolt 32, and the angle steel 31 is connected with the retaining wall bottom plate 2 through an anchor 21, as shown in fig. 5;
the third step: the inner-layer corrugated steel plate 11 and the outer-layer corrugated steel plate 12 are connected through a first bolt 51 according to preset positions so as to ensure the thickness and the construction stability of the sandwich concrete, and the corrugated steel plates can be used as concrete templates;
the fourth step: two ends of the retaining wall vertical plate 1 are connected with a square steel tube concrete member 4 through a channel steel 4 and a fourth bolt 54;
the fifth step: concrete is poured between the inner corrugated steel plate 11 and the outer corrugated steel plate 12, at the joint of the retaining wall vertical plate 1 and the retaining wall bottom plate 2 and inside the square steel tube concrete member 4.
Further, if retaining wall size is great, need 1 constitutions of polylith retaining wall riser, its holistic manufacture process as follows:
the first step is as follows: pouring the retaining wall base plate 2, wherein the anchor 21 is embedded in the pouring process;
the second step is that: the retaining wall bottom plate 2 and the inner and outer layer corrugated steel plates 11 and 12 are respectively connected through angle steel 31, the angle steel 31 is connected with the inner and outer layer corrugated steel plates 11 and 12 through a third bolt 32, and the angle steel 31 is connected with the retaining wall bottom plate 2 through an anchor 21, as shown in fig. 5;
the third step: the inner-layer corrugated steel plate 11 and the outer-layer corrugated steel plate 12 are connected through a first bolt 51 according to a preset position, two ends of the retaining wall vertical plate 1 are sealed through a channel steel 52 and a second bolt 53, the thickness and the construction stability of sandwich concrete are guaranteed, and the corrugated steel plates can be used as concrete templates;
the fourth step: the two retaining wall vertical plates 1 are connected through the square steel-concrete member 14, and specifically, one retaining wall vertical plate 1 is respectively connected to two sides of the square steel-concrete member 14 through the channel steel 52 and the second bolt 53.
The fifth step: concrete is poured between the inner corrugated steel plate 11 and the outer corrugated steel plate 12, at the joint of the retaining wall vertical plate 1 and the retaining wall bottom plate 2, and inside the square steel 14.
Claims (3)
1. The utility model provides a double-deck corrugated steel plate concrete combination retaining wall, its characterized in that, including retaining wall bottom plate (2) and through one or more retaining wall riser (1) of connector (3) vertical fixation on retaining wall bottom plate (2), through square steel tube concrete member (4) interconnect between adjacent retaining wall riser (1), retaining wall riser (1) by inlayer corrugated steel plate (11), outer corrugated steel plate (12) and pour intermediate layer concrete (13) of shaping between inlayer corrugated steel plate (11) and outer corrugated steel plate (12) constitute, the both ends inboard of inlayer corrugated steel plate (11) and outer corrugated steel plate (12) all inlay and establish channel-section steel (52), the curb plate of this channel-section steel (52) passes through second bolt (53) and is connected fixedly with inlayer corrugated steel plate (11) and outer corrugated steel plate (12) respectively, retaining wall riser (1) and square steel tube concrete member (4) pass through the bottom plate of channel-section steel (52) And a fourth bolt (54) are fixedly connected, a spring gasket is arranged between the second bolt (53) and the inner-layer corrugated steel plate (11) and the outer-layer corrugated steel plate (12) respectively, a spring gasket is arranged between the fourth bolt (54) and the square steel pipe concrete member (4), the preset positions of the inner-layer corrugated steel plate (11) and the outer-layer corrugated steel plate (12) are clamped and fixed through a first bolt (51) penetrating through the interlayer concrete (13), the spring gasket is arranged between the first bolt (51) and the inner-layer corrugated steel plate (11) and the outer-layer corrugated steel plate (12) respectively, the connecting body (3) comprises angle steel (31) and an anchor (21) embedded in the retaining wall bottom plate (2), the vertical plate of the angle steel (31) is fixed on the retaining wall vertical plate (1) through the third bolt (32), and the bottom plate is fixed with the retaining wall bottom plate (2) through an L-shaped anchor (21), concrete (33) is poured in situ at the joint of the angle steel (31) for forming;
the construction method of the double-layer corrugated steel plate concrete combined retaining wall comprises the following steps:
1) pouring the retaining wall bottom plate (2), wherein the anchor bolts (21) are embedded in advance in the pouring process;
2) the retaining wall bottom plate (2) is connected with the inner-layer corrugated steel plate (11) and the outer-layer corrugated steel plate (12) through angle steel (31), the angle steel (31) is connected with the inner-layer corrugated steel plate (11) and the outer-layer corrugated steel plate (12) through a third bolt (32), and the angle steel (31) is connected with the retaining wall bottom plate (2) through an anchor nail (21);
3) the inner-layer corrugated steel plate (11) and the outer-layer corrugated steel plate (12) are connected by adopting a first bolt (51) according to a preset position so as to ensure the thickness and the construction stability of the sandwich concrete (13), and the inner-layer corrugated steel plate (11) and the outer-layer corrugated steel plate (12) which are connected by adopting the first bolt (51) and a channel steel (52) which is connected by adopting a second bolt (53) are adopted to be used as a concrete template integrally;
4) the channel steel (52) is respectively connected with the square steel tube concrete member (4) and the retaining wall vertical plate (1) through a second bolt (53) and a fourth bolt (54);
5) and (3) performing concrete pouring between the inner-layer corrugated steel plate (11) and the outer-layer corrugated steel plate (12) and at the joint of the retaining wall vertical plate (1) and the retaining wall bottom plate (2) to finish construction.
2. The double-layer corrugated steel plate concrete combined retaining wall of claim 1, characterized in that the retaining wall vertical plate (1) and the retaining wall bottom plate (2) are formed by prefabrication or cast-in-place.
3. The double-deck corrugated steel plate concrete composite retaining wall according to claim 1, wherein the inner corrugated steel plate (11) and the outer corrugated steel plate (12) are both acid-free hot-dip galvanized corrugated steel plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910983973.4A CN110820795B (en) | 2019-10-16 | 2019-10-16 | Double-deck corrugated steel plate concrete combination retaining wall |
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| CN201910983973.4A CN110820795B (en) | 2019-10-16 | 2019-10-16 | Double-deck corrugated steel plate concrete combination retaining wall |
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| CN110820795B true CN110820795B (en) | 2021-03-26 |
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| CN102127941A (en) * | 2010-12-10 | 2011-07-20 | 清华大学 | Steel tube concrete column-double-layer steel plate combined shear wall and construction method thereof |
| CN106906842A (en) * | 2017-04-20 | 2017-06-30 | 福建省建研工程顾问有限公司 | One kind draws anchor formula L-type Reinforced Concrete Retaining Walls |
| CN209053120U (en) * | 2018-09-30 | 2019-07-02 | 浙江省交通规划设计研究院有限公司 | Bolt Bolted angle connection assembled counterfort retaining wall |
| CN109183818A (en) * | 2018-11-07 | 2019-01-11 | 中交铁道设计研究总院有限公司 | A kind of swelled ground rock cutting slope support subtracts swollen structure |
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