CN107227750B - Retaining wall structure and its construction method for road - Google Patents

Retaining wall structure and its construction method for road Download PDF

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Publication number
CN107227750B
CN107227750B CN201710525496.8A CN201710525496A CN107227750B CN 107227750 B CN107227750 B CN 107227750B CN 201710525496 A CN201710525496 A CN 201710525496A CN 107227750 B CN107227750 B CN 107227750B
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China
Prior art keywords
panel
wall
road
groove
exterior wall
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CN201710525496.8A
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Chinese (zh)
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CN107227750A (en
Inventor
万江
周兴平
王祥云
杜正华
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Mcc 19 Chengdu Construction Co Ltd
China 19th Metallurgical Corp
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Mcc 19 Chengdu Construction Co Ltd
China 19th Metallurgical Corp
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Priority to CN201710525496.8A priority Critical patent/CN107227750B/en
Publication of CN107227750A publication Critical patent/CN107227750A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0225Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0233Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00Foundations for pavings
    • E01C3/04Foundations produced by soil stabilisation
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0258Retaining or protecting walls characterised by constructional features
    • E02D29/0275Retaining or protecting walls characterised by constructional features cast in situ
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/0007Production methods using a mold

Abstract

The invention discloses be related to a kind of retaining wall structure, especially a kind of retaining wall structure for road, it includes exterior wall, inner wall, more anchor cables, the side high up in the air of road is arranged in exterior wall, the non-side high up in the air of road is arranged in inner wall, exterior wall is connected together with inner wall by more anchor cables, and the Inner bolt head of anchor cable is embedded in inner wall, and outer anchor head is embedded in exterior wall.The present invention provides a kind of retaining wall structures for facilitating construction, highly-safe road.

Description

Retaining wall structure and its construction method for road
Technical field
The present invention relates to a kind of retaining wall structure, especially a kind of retaining wall structure for road;Furthermore the present invention is gone back It is related to a kind of construction method, the construction method of especially a kind of retaining wall structure for road.
Background technique
Road is built in mountainous region area, is necessarily required to build a large amount of unstable engineering slopes of retaining wall processing.Retaining wall Have the advantages that stable side slope, structure be simple, top platform can be utilized, has been obtained in the road construction of mountainous region area extensively Application.For a long time, because the influence of geological disaster, mountainous region area landslide, road cave in accident take place frequently, personnel are not only easily caused Injures and deaths are accompanied by a large amount of economic loss.Therefore, it is very necessary for handling the safety problem of all kinds of slope projects well.
It is mixed currently, the retaining wall of road generallys use block stone, slabstone, concrete precast block as masonry, or using slabstone Solidifying soil, concrete carry out the gravity retaining wall of one-piece casting formation, and this retaining wall maintains balance and stability by self weight, prevents side Hill wash is moved and is toppled.But gravity retaining wall volume, weight are all very big, build on soft foundation and suffer from bearing capacity Limitation, it has not been convenient to construct, there are security risks, and safety is lower, and for lacking the area of building stones, building gravity retaining wall is It is uneconomic.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of retaining wall knots for facilitating construction, highly-safe road Structure.
The present invention solves the retaining wall structure that road is used for used by its technical problem, including exterior wall, inner wall, more The side high up in the air of road is arranged in root anchor cable, exterior wall, and the non-side high up in the air of road is arranged in inner wall, and exterior wall passes through with inner wall More anchor cables are connected together, and the Inner bolt head of anchor cable is embedded in inner wall, and outer anchor head is embedded in exterior wall.
Further, exterior wall includes first panel, multiple first supporting ribs, first panel are provided in first panel On be provided with concrete structure and the first supporting rib is embedded in concrete structure.
Further, first panel is made of sequentially connected first panel body from top to bottom.
Further, inner wall includes second panel, third panel, second panel, third panel are arranged in parallel, It is provided with more second supporting ribs between second panel, third panel, is provided with concrete knot in second panel, third panel Structure, and the second supporting rib is embedded in concrete structure.
Further, second panel is made of sequentially connected second panel body from top to bottom, third panel is by from upper Sequentially connected third panel body is arrived down to constitute.
Further, the outside of anchor cable is provided with concrete structure.
The present invention another will solve the problems, such as to be to provide a kind of retaining wall knot for facilitating construction, highly-safe road The construction method of structure.
The construction method of the retaining wall structure of road provided by the invention, includes the following steps:
A, it is sequentially completed interior wall body construction from top to bottom in the non-side high up in the air of road;
B, it is sequentially completed exterior wall body construction from top to bottom in the side high up in the air of road;
C, drilling machine is set up in the outside of exterior wall, multiple holes from exterior wall to inner wall is drilled out by drilling machine, one A anchor cable is fixed in a hole, then carries out sealing off and covering anchorage processing to anchor cable.
Preferably, a step successively carries out according to the following steps:
A1, the positioning contour line for being spilt a groove using lime in the non-side high up in the air of road, are dug according to positioning contour line A groove out;
A2, the side that a second panel body is arranged in groove, a third panel body are arranged in the other side, Duo Gen Two supporting rib one end are connected with second panel body, and the other end is connected with third panel body;
A3, it is laid with steel form on second panel body, third panel body, the second supporting rib, after the completion, is poured on steel form Build concrete structure;
When a4, the concrete structure wait pour reach 75% or more of design strength, steel form is removed;
A5, another groove is dug out below groove;
A6, step a2 to a4 is repeated;
A7, step a5 to a6 is repeated, until reaching the depth of requirement, completes the construction of inner wall;
Preferably, b step successively carries out according to the following steps:
B1, the positioning contour line for being spilt a groove using lime in the side high up in the air of road, are dug out according to positioning contour line One groove;
B2, the side that a first panel body is arranged in groove are provided with multiple first supporting ribs in first panel;
B3, it is laid with steel form on first panel body, the first supporting rib, after the completion, the casting concrete knot on steel form Structure;
When b4, the concrete structure wait pour reach design strength, steel form is removed;
B5, another groove is dug out below groove;
B6, step b2 to b4 is repeated;
B7, step b5 to b6 is repeated, until reaching the depth of requirement, completes the construction of exterior wall.
Preferably, in step c, before anchor cable carries out sealing off and covering anchorage processing, first to the external casting concrete structure of anchor cable.
The beneficial effects of the present invention are: the retaining wall structure of road of the present invention, including exterior wall, inner wall, more anchor cables, The side high up in the air of road is arranged in exterior wall, and the non-side high up in the air of road is arranged in inner wall, and exterior wall, inner wall have poured concrete Structure, concrete strength is high, facilitates construction, so that exterior wall is linked together with inner wall by more anchor cables, the interior anchor of anchor cable Head is embedded in inner wall, and power height is consolidated in the drawing of anchor cable, and stability is good, and outer anchor head is embedded in exterior wall, the external wall of inner wall There is the stronger solid power of drawing, is formed mutually to drawing, ensure that exterior wall is not fallen off, highly-safe, exterior wall can be opposite The area of section of pervious gravity retaining wall is smaller, has the drawing of anchor cable to consolidate power, lower to the bearing capacity of ground, convenient entire The construction of retaining wall structure reduces construction cost and is segmented from top to bottom successively complete when the retaining wall structure of road of the present invention is constructed It after segmentation is sequentially completed exterior wall body construction at interior wall body construction and from top to bottom, then constructs to anchor cable, ensure that construction Quality and safety.
Detailed description of the invention
Fig. 1 is planar structure schematic diagram of the invention;
Fig. 2 is the floor map after the present invention is implemented;
Components, position and number in figure: exterior wall 1, inner wall 2, anchor cable 3, road 4, first panel 11, first support Muscle 12, second panel 21, third panel 22, the second supporting rib 23.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1 and Figure 2, the present invention is used for the retaining wall structure of road, including exterior wall 1, inner wall 2, more anchor cables 3, the side high up in the air of road 4 is arranged in exterior wall 1, and the non-side high up in the air of road 4 is arranged in inner wall 2, and exterior wall 1 and inner wall 2 are logical Excessive root anchor cable 3 is connected together, and the Inner bolt head 31 of anchor cable 3 is embedded in inner wall 2, and outer anchor head 32 is embedded in exterior wall In 1.
Exterior wall 1 includes first panel 11, and the steel construction of rectangular shape can be used in first panel 11, is constructed for convenience, First panel 11 is made of sequentially connected first panel body from top to bottom, is assembled by welding between first panel body At first panel 11, it being provided with multiple first supporting ribs 12 in first panel 11, the first supporting rib card uses 12 for reinforcing bar, and first It is provided with concrete structure on panel 11 and the first supporting rib 12 is embedded in concrete structure, to improve concrete structure Intensity that is to say the intensity for improving exterior wall 1.
Inner wall 2 includes second panel 21, third panel 22, and second panel 21, third panel 22 are arranged in parallel, the More second supporting ribs 23 are provided between two panels 21, third panel 22, second panel 21 and third panel 22 are also steel knot Structure, the second supporting rib 23 are reinforcing bar, and second panel 21, third panel 22, the second supporting rib 23 form a box-structure, then Concrete structure is poured on second panel 21, third panel 22, and the second supporting rib 23 is embedded in concrete structure, from And guarantee and improve the intensity of inner wall.Equally, it constructs for convenience, second panel 21 is by from top to bottom sequentially connected the Two panel bodies are constituted, and third panel 22 is made of sequentially connected third panel body from top to bottom.
As it can be seen that the retaining wall structure of road of the present invention, including exterior wall 1, inner wall 2, more anchor cables 3, exterior wall 1 are arranged In the side high up in the air of road 4, the non-side high up in the air of road 4 is arranged in inner wall 2, and exterior wall 1, inner wall 2 have poured concrete structure, Concrete strength is high, facilitates construction, so that exterior wall 1 is linked together with inner wall 2 by more anchor cables 3, the Inner bolt head of anchor cable 3 31 are embedded in inner wall 2, and power height is consolidated in the drawing of anchor cable 3, and stability is good, and outer anchor head 32 is embedded in exterior wall 1, and inner wall 2 is right Exterior wall 1 has the stronger solid power of drawing, ensure that exterior wall 1 is not fallen off, highly-safe, exterior wall 1 can relatively in the past Gravity retaining wall area of section it is smaller, there is the drawing of anchor cable 3 to consolidate power, convenient entire gear lower to the bearing capacity of ground The construction of earth wall construction reduces construction cost.Further, exterior wall 1 can not slope construction, can avoid road 4 people The migration of inbuilt a large amount of various pipelines under trade, reduces construction cost and improves construction efficiency.
And the construction method of the retaining wall structure for road of the present invention, include the following steps:
A, inner wall 2 is sequentially completed from top to bottom in the non-side high up in the air of road 4 to construct;
B, exterior wall 1 is sequentially completed from top to bottom in the side high up in the air of road 4 to construct;
C, set up drilling machine in the outside of exterior wall 1, drilled out by drilling machine it is multiple from exterior wall 1 to the hole of inner wall 2, One anchor cable 3 is fixed in a hole, then carries out sealing off and covering anchorage processing to anchor cable 3.
Road of the present invention retaining wall structure construction when, from top to bottom segmentation be sequentially completed inner wall 1 construction and on to It after lower segmentation is sequentially completed the construction of exterior wall 2, then constructs to anchor cable 3, is not in total collapse, ensure that the matter of construction Amount and safety.
Wherein, a step successively carries out according to the following steps:
A1, the positioning contour line for being spilt a groove using lime in the non-side high up in the air of road 4, are dug according to positioning contour line A groove out, since first groove is located at the top of non-side high up in the air, using digging machine carry out digging groove, efficiency faster, groove Size be long 30m, wide 0.5m, it is 1 meter high;
A2, the side that a second panel body is arranged in groove, a third panel body are arranged in the other side, Duo Gen Two supporting ribs, 23 one end is connected with second panel body, and the other end is connected with third panel body, second panel body, third panel Body preferably uses steel plate, and the second supporting rib 23 is reinforcing bar, and second panel body, third panel body, the second supporting rib 23 pass through welding Mode constitute a box-structure, second panel body, third panel body lower end reserve a certain distance, convenient for it is next Second panel body, the connection of third panel body;
A3, it is laid with steel form on second panel body, third panel body, the second supporting rib 23, after the completion, on steel form Casting concrete structure;
A4, by being obtained in a large number of experiments and practice, concrete structure to be poured reaches 75% of design strength or more When, i.e., dismountable steel form can efficiently can guarantee the safety of construction again in this way, be not easy to collapse;
A5, another groove is dug out immediately below groove, another groove dimensions is as the size of a upper groove;
A6, step a2 to a4 is repeated;
A7, step a5 to a6 is repeated, until reaching the depth of requirement, completes the construction of inner wall 2.
Wherein, b step successively carries out according to the following steps:
B1, the positioning contour line for being spilt a groove using lime in the side high up in the air of road 4, are dug out according to positioning contour line One groove, the size of the groove are long 30m, wide 1m, 0.5 meter high;
B2, the side that a first panel body is arranged in groove are provided with multiple first supporting ribs in first panel 11 12, first panel body is preferably steel plate, and the first supporting rib 12 is preferably reinforcing bar, the lower end of first panel body it is reserved it is certain away from From convenient for being connect with next first panel body;
B3, it is laid with steel form on first panel body, the first supporting rib 12, after the completion, the casting concrete on steel form Structure;
B4, the side high up in the air that road 4 is set due to exterior wall 1, in order to guarantee safety, it is necessary to concrete structure to be poured When reaching design strength, steel form could be removed;
B5, another groove is dug out below groove, another groove dimensions is as the size of a upper groove;
B6, step b2 to b4 is repeated;
B7, step b5 to b6 is repeated, until reaching the depth of requirement, completes the construction of exterior wall 1;
In step c, drilling machine is set up in the outside of exterior wall 1, due to usually there is backfill, easy collapse hole on road, So needing to add sleeve during drilling machine drilling, after drill passes through third panel 23 from exterior wall 1, stop Only drilling, an anchor cable 3 is fixed in a hole, and can go out the length of 50cm or so in the outside upper indwelling of outer anchor head 32, with Sleeve is extracted, carries out remembeing concrete by casting machine device to hole, after concrete reaches intensity, sealing off and covering anchorage is carried out to anchor cable 3.
In conclusion exterior wall 1, inner wall 2 are sequentially completed construction from top to bottom, gradually constructed using segmentation contrary sequence method, Every section of wall 1, inner wall 2, which reach sufficient intensity, just to be continued to construct downwards, is avoided too early bearing load, is guaranteed the matter of construction Amount and safety.

Claims (3)

1. the construction method of the retaining wall structure for road, the retaining wall structure includes exterior wall (1), inner wall (2), more Root anchor cable (3), exterior wall (1) setting are arranged in the non-side high up in the air of road (4), outside in the side high up in the air of road (4), inner wall (2) Wall (1) is connected together with inner wall (2) by more anchor cables (3), and the Inner bolt head (31) of anchor cable (3) is embedded in interior wall In body (2), outer anchor head (32) is embedded in exterior wall (1);
Exterior wall (1) includes first panel (11), and multiple first supporting ribs (12), first panel are provided in first panel (11) (11) be provided with concrete structure on and the first supporting rib (12) be embedded in concrete structure, the first panel (11) by from The sequentially connected first panel body of top to bottm is constituted;
Inner wall (2) includes second panel (21), third panel (22), and second panel (21), third panel (22) are parallel to each other Setting, is provided with more second supporting ribs (23), second panel (21), third between second panel (21), third panel (22) Concrete structure is provided on panel (22), and the second supporting rib (23) is embedded in concrete structure, the second panel (21) it is made of sequentially connected second panel body from top to bottom, third panel (22) is by sequentially connected third face from top to bottom Plate body is constituted;
The outside of anchor cable (3) is provided with concrete structure, characterized by the following steps:
A, it is sequentially completed inner wall (2) from top to bottom in the non-side high up in the air of road (4) to construct, inner wall (2) is constructed according to following Step successively carries out:
A1, the positioning contour line for being spilt a groove using lime in the non-side high up in the air of road (4), are dug out according to positioning contour line One groove;
A2, the side that a second panel body is arranged in groove, the setting of third panel body is in the other side, and more second Support muscle (23) one end is connected with second panel body, and the other end is connected with third panel body;
A3, it is laid with steel form on (23) in second panel body, third panel body, the second supporting rib, after the completion, is poured on steel form Build concrete structure;
When a4, the concrete structure wait pour reach 75% or more of design strength, steel form is removed;
A5, another groove is dug out below groove;
A6, step a2 to a4 is repeated;
A7, step a5 to a6 is repeated, until reaching the depth of requirement, completes the construction of inner wall (2);
B, exterior wall (1) is sequentially completed from top to bottom in the side high up in the air of road (4) to construct;
C, drilling machine is set up in the outside of exterior wall (1), is drilled out by drilling machine multiple from exterior wall (1) to inner wall (2) Hole, an anchor cable (3) are fixed in a hole, then carry out sealing off and covering anchorage processing to anchor cable (3).
2. the construction method of the retaining wall structure of road as described in claim 1, it is characterised in that: b step is according to following step Suddenly it successively carries out:
B1, the positioning contour line for spilling a groove using lime in the side high up in the air of road (4) dig out one according to positioning contour line A groove;
B2, the side that a first panel body is arranged in groove are provided with multiple first supporting ribs in first panel (11) (12);
B3, it is laid with steel form on (12) in first panel body, the first supporting rib, after the completion, the casting concrete knot on steel form Structure;
When b4, the concrete structure wait pour reach design strength, steel form is removed;
B5, another groove is dug out below groove;
B6, step b2 to b4 is repeated;
B7, step b5 to b6 is repeated, until reaching the depth of requirement, completes the construction of exterior wall (1).
3. the construction method of the retaining wall structure of road as described in claim 1, it is characterised in that: in step c, anchor cable (3) before carrying out sealing off and covering anchorage processing, first to the external casting concrete structure of anchor cable (3).
CN201710525496.8A 2017-06-30 2017-06-30 Retaining wall structure and its construction method for road Active CN107227750B (en)

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CN107227750B true CN107227750B (en) 2019-06-04

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1095782A (en) * 1993-05-27 1994-11-30 黄敏昭 The continuous underground wall construction method that suitable gravel layer uses
CN1332296A (en) * 2001-08-16 2002-01-23 吕怀民 Construction process of retaining wall with inner anchoring wall
KR20080105509A (en) * 2007-05-31 2008-12-04 (주)유니트엔지니어링 Concrete retaining wall with dual wall jointed by anchor and construction method using the same
CN101798817A (en) * 2009-02-05 2010-08-11 李英雨 Combined retaining wall structure
CN204455989U (en) * 2015-03-12 2015-07-08 徐海波 A kind of retaining wall for hydraulic engineering
CN105862858A (en) * 2016-05-12 2016-08-17 大连交通大学 Anchor head structure arranged in concrete slab for anchor retaining wall and construction method for anchor head structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1095782A (en) * 1993-05-27 1994-11-30 黄敏昭 The continuous underground wall construction method that suitable gravel layer uses
CN1332296A (en) * 2001-08-16 2002-01-23 吕怀民 Construction process of retaining wall with inner anchoring wall
KR20080105509A (en) * 2007-05-31 2008-12-04 (주)유니트엔지니어링 Concrete retaining wall with dual wall jointed by anchor and construction method using the same
CN101798817A (en) * 2009-02-05 2010-08-11 李英雨 Combined retaining wall structure
CN204455989U (en) * 2015-03-12 2015-07-08 徐海波 A kind of retaining wall for hydraulic engineering
CN105862858A (en) * 2016-05-12 2016-08-17 大连交通大学 Anchor head structure arranged in concrete slab for anchor retaining wall and construction method for anchor head structure

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