CN108487299B - Hollow triangular arc-shaped retaining wall - Google Patents

Hollow triangular arc-shaped retaining wall Download PDF

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CN108487299B
CN108487299B CN201810122639.5A CN201810122639A CN108487299B CN 108487299 B CN108487299 B CN 108487299B CN 201810122639 A CN201810122639 A CN 201810122639A CN 108487299 B CN108487299 B CN 108487299B
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retaining wall
hollow
triangular arc
wall block
block
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CN108487299A (en
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周航
刘汉龙
董瑞琨
范玉明
尹锋
袁井荣
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Chongqing University
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    • 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
    • E02D29/0266Retaining or protecting walls characterised by constructional features made up of preformed elements

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  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Civil Engineering (AREA)
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  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Retaining Walls (AREA)

Abstract

本发明公开了一种中空三角弧形挡墙,主要包括若干中空三角弧形挡墙主体、若干支承桩和刚性连接件。所述中空三角弧形挡墙主体位于边坡的一侧。一个所述中空三角弧形挡墙主体由两个相邻的所述支承桩支撑。所述中空三角弧形挡墙主体主要包括中空挡墙分块I、中空挡墙分块II、中空挡墙分块III和支撑柱。所述刚性连接件将所述中空挡墙分块III的锚固件和所述支承桩的锚固件锚固在一起。本发明利用中空三角弧形挡墙来承受压力,大大减少了混凝土和钢筋的用量。三角结构在尽可能节省成本的同时,也保证了对山坡主体稳定安全的支撑。

Figure 201810122639

The invention discloses a hollow triangular arc retaining wall, which mainly comprises several hollow triangular arc retaining wall main bodies, several supporting piles and rigid connecting pieces. The main body of the hollow triangular arc retaining wall is located on one side of the side slope. One of the hollow triangular arc-shaped retaining wall main bodies is supported by two adjacent supporting piles. The main body of the hollow triangular arc retaining wall mainly includes a hollow retaining wall block I, a hollow retaining wall block II, a hollow retaining wall block III and a support column. The rigid connections anchor together the anchors of the hollow retaining wall segment III and the anchors of the support piles. The invention utilizes the hollow triangular arc retaining wall to bear the pressure and greatly reduces the consumption of concrete and steel bars. The triangular structure not only saves the cost as much as possible, but also ensures the stable and safe support for the main body of the hillside.

Figure 201810122639

Description

Hollow triangular arc-shaped retaining wall
Technical Field
The invention relates to the technical field of civil and architectural engineering, in particular to a hollow triangular arc-shaped retaining wall.
Background
The retaining wall is a building which supports roadbed filling or hillside soil body, prevents the filling or soil body from deforming and destabilizing and bears lateral pressure.
Retaining walls are widely used for roadbed filling, support of hillside rock and soil mass, landslide and emergency work of geological disasters. Retaining wall usually is equipped with steel reinforcement framework's concrete collar soil wall body, and the last distribution of concrete wall body has the drain pipe. The conventional construction mode of the existing common retaining wall is the piling of rock and soil mass and the concrete cast-in-place, which not only has large material consumption, complex construction and higher labor and material cost; and the quality is not easy to control, the construction period is longer, and the method is not easy to be applied to emergency work with time pressure.
The semi-fabricated and fabricated retaining walls are mainly fabricated by prefabricating conventional stacking or cast-in-place members to achieve the purposes of shortening the construction period and reducing the construction cost, and the structural form of the retaining wall is not redesigned.
Disclosure of Invention
The present invention is directed to solving the problems of the prior art.
The technical scheme adopted for achieving the purpose of the invention is that the hollow triangular arc-shaped retaining wall mainly comprises a plurality of hollow triangular arc-shaped retaining wall main bodies, a plurality of supporting piles and rigid connecting pieces.
The hollow triangular arc-shaped retaining wall main body is positioned on one side of the side slope.
Further, the hollow triangular arc-shaped retaining wall main body and the side slope are filled with filled soil. The filling is building waste residue.
The hollow triangular arc-shaped retaining wall main body mainly comprises a hollow retaining wall block I, a hollow retaining wall block II, a hollow retaining wall block III and supporting columns.
The hollow retaining wall block I is a hollow cuboid.
The hollow retaining wall block II is of a hollow arc-shaped three-dimensional structure. The hollow retaining wall block II is provided with a plurality of drain holes. The drain holes penetrate through two sides of the hollow retaining wall block II.
The inner cavity of the hollow retaining wall block II is communicated with the inner cavity of the hollow retaining wall block I. And a drain hole is formed at the communication position of the inner cavity of the hollow retaining wall block II and the inner cavity of the hollow retaining wall block I.
The hollow retaining wall block III is a hollow cuboid. And the included angle between the hollow retaining wall block III and the horizontal plane is theta. Further, the included angle theta is more than or equal to 45 degrees. An anchoring piece is embedded in the hollow retaining wall block III.
The inner cavity of the hollow retaining wall block III is communicated with the inner cavity of the hollow retaining wall block I.
The inner cavity of the hollow retaining wall block III is communicated with the inner cavity of the hollow retaining wall block II.
The hollow retaining wall block I, the hollow retaining wall block II and the hollow retaining wall block III form a triangular arc-shaped three-dimensional structure.
The side slope soil body is squeezed into to the one end of support column, and the other end anchor connects cavity barricade piecemeal III.
The support column supports the hollow triangular arc-shaped retaining wall main body.
One of the hollow triangular arc-shaped retaining wall bodies is supported by two adjacent ones of the supporting piles.
Further, the hollow triangular arc-shaped retaining wall main body is prefabricated reinforced concrete. The supporting pile is a prefabricated rectangular reinforced concrete pile.
One end of the bearing pile is supported below the hollow retaining wall block III, and the other end of the bearing pile is vertically driven into the foundation. And anchoring pieces matched with the anchoring pieces of the hollow retaining wall block III are pre-embedded in the supporting piles.
Further, the depth of the support pile driven into the ground is 2/3 or more of the total length of the support pile or is calculated according to specific force.
The rigid connecting piece anchors the anchoring piece of the hollow retaining wall block III and the anchoring piece of the supporting pile together.
The technical effect of the present invention is undoubted. The invention uses the hollow triangular arc-shaped retaining wall to bear pressure, thereby greatly reducing the consumption of concrete and steel bars. The triangular structure can save cost as much as possible, and simultaneously, the stable and safe support for the main body of the hillside is ensured. The hollow triangular arc-shaped retaining wall is matched with the supporting pile, so that the force borne by the retaining wall can be transmitted to the supporting pile, the load is mainly borne by the supporting pile, and the retaining wall is reasonable in stress, safe and reliable. The hollow triangular arc-shaped retaining wall and the supporting piles are prefabricated components, construction is conducted in an assembling mode, site construction is simple and easy, the hollow triangular arc-shaped retaining wall is suitable for mechanized construction, and labor cost is low. Meanwhile, the invention has the advantages of easy quality control and short construction period, and is particularly suitable for emergency projects.
Drawings
FIG. 1 is a 3D schematic view of a hollow triangular arc-shaped retaining wall body;
FIG. 2 is a front view of a hollow triangular arc-shaped retaining wall;
FIG. 3 is a schematic view of a hollow triangular arc-shaped retaining wall;
FIG. 4 is a schematic cross-sectional view of a hollow triangular arc-shaped retaining wall;
in the figure: the hollow triangular arc-shaped retaining wall comprises a hollow triangular arc-shaped retaining wall main body 1, a plurality of supporting piles 2, a rigid connecting piece 3, a hollow retaining wall block I11, a hollow retaining wall block II12, a hollow retaining wall block III13, a supporting column 14, an anchoring piece 131, an anchoring piece 141 and a drainage hole 121.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
a hollow triangular arc-shaped retaining wall mainly comprises n hollow triangular arc-shaped retaining wall main bodies 1, m supporting piles 2 and rigid connecting pieces 3. n > 1. m is greater than 1. n and m are integers. m is 2 n.
The hollow triangular arc-shaped retaining wall main body 1 is positioned on one side of a side slope 5.
Further, filled earth 4 is arranged between the hollow triangular arc-shaped retaining wall main body 1 and the side slope 5. The filling 4 is building waste residue.
The hollow triangular arc-shaped retaining wall main body 1 mainly comprises a hollow retaining wall block I11, a hollow retaining wall block II12, a hollow retaining wall block III13 and supporting pillars 14.
The hollow retaining wall block I11 is a hollow cuboid.
The hollow retaining wall block II12 is a hollow arc-shaped three-dimensional structure. The hollow retaining wall block II12 is provided with a plurality of water discharge holes 121. The drainage holes 121 penetrate through both sides of the hollow retaining wall block II 12.
The inner cavity of the hollow retaining wall block II12 is communicated with the inner cavity of the hollow retaining wall block I11. The communication part of the inner cavity of the hollow retaining wall block II12 and the inner cavity of the hollow retaining wall block I11 is provided with a plurality of drain holes 121.
Further, water in the slope soil body flows into the hollow retaining wall block III13 through a drain hole (121) of the hollow retaining wall block II12, and is drained through the drain hole 121 at the communication position of the inner cavity of the hollow retaining wall block II12 and the inner cavity of the hollow retaining wall block I11.
The hollow retaining wall block III13 is a hollow cuboid. The included angle between the hollow retaining wall block III13 and the horizontal plane is theta. Further, the included angle theta is more than or equal to 45 degrees. The hollow retaining wall block III13 is embedded with an anchoring piece 131.
The inner cavity of the hollow retaining wall block III13 is communicated with the inner cavity of the hollow retaining wall block I11.
The inner cavity of the hollow retaining wall block III13 is communicated with the inner cavity of the hollow retaining wall block II 12.
The hollow retaining wall block I11, the hollow retaining wall block II12 and the hollow retaining wall block III13 form a triangular arc-shaped three-dimensional structure.
Side slope soil is squeezed into to the one end of support column 14, and the other end anchor connects the cavity barricade block III 13.
The supporting columns 14 support the hollow triangular arc-shaped retaining wall main body 1.
One of the hollow triangular arc-shaped retaining wall bodies 1 is supported by two adjacent ones of the supporting piles 2.
Further, the hollow triangular arc-shaped retaining wall main body 1 is prefabricated reinforced concrete. The support pile 2 is a prefabricated rectangular reinforced concrete pile.
One end of the support pile 2 is supported below the hollow retaining wall block III13, and the other end is vertically driven into the foundation. The supporting pile 2 is embedded with an anchoring piece 141 matched with the anchoring piece 131 of the hollow retaining wall block III 13.
Further, the depth to which the support pile 2 is driven into the ground is 2/3 or more of the total length of the support pile 2 or is calculated according to a specific force.
The rigid connector 3 anchors the anchor 131 of the hollow retaining wall block III13 and the anchor 141 of the support pile 2 together.
Example 2:
a construction method of a hollow triangular arc-shaped retaining wall comprises the following steps:
1) designing a retaining wall;
the types of the hollow triangular arc-shaped retaining wall main body 1 and the supporting piles 2 are determined according to geology and the condition of side slope soil mass, and the types mainly comprise the section forms, prefabricated materials and reinforcement conditions of the hollow triangular arc-shaped retaining wall main body 1 and the supporting piles 2 and the soil penetration depth of the supporting piles 2.
2) Determining a foundation and driving a bearing pile; the method mainly comprises the following steps:
2.1) positioning the pile position;
2.2) driving the supporting pile 2 into the foundation by a static pressure or drilling hole inserting precast pile combined grouting mode (namely, drilling holes through a drilling machine, inserting the precast piles into the drilled holes, and then pouring concrete around the drilled holes to enable pile soil to be in close contact), and controlling the penetration depth and the verticality well in the pile driving process.
3) Installing a hollow triangular arc-shaped retaining wall; and hoisting the hollow triangular arc-shaped retaining wall main body 1 onto two adjacent set supporting piles 2, waiting for anchoring assembly with the supporting piles 2, and not dismounting the hollow triangular arc-shaped retaining wall main body 1 before anchoring.
4) Anchoring the pile wall; the hollow triangular arc-shaped retaining wall main body 1 and the two corresponding supporting piles 2 are anchored and fixed through rigid connecting pieces 3.
5) And (5) repeating the steps 2 to 4 until all the hollow triangular arc-shaped retaining wall main bodies 1 and the supporting piles 2 are assembled.
6) Filling soil behind the wall; and after the combination of the retaining walls is finished and the acceptance is qualified, filling soil between the side slope and the retaining wall to complete construction.

Claims (5)

1.一种中空三角弧形挡墙,其特征在于:主要包括若干中空三角弧形挡墙主体(1)、若干支承桩(2)和刚性连接件(3);1. A hollow triangular arc retaining wall, characterized in that: it mainly comprises several hollow triangular arc retaining wall main bodies (1), several supporting piles (2) and rigid connectors (3); 所述中空三角弧形挡墙主体(1)位于边坡(5)的一侧;The hollow triangular arc retaining wall main body (1) is located on one side of the side slope (5); 所述中空三角弧形挡墙主体(1)主要包括中空挡墙分块I(11)、中空挡墙分块II(12)、中空挡墙分块III(13)和支撑柱(14);The hollow triangular arc retaining wall main body (1) mainly includes a hollow retaining wall block I (11), a hollow retaining wall block II (12), a hollow retaining wall block III (13) and a support column (14); 所述中空挡墙分块I(11)为中空长方体;The hollow retaining wall block I (11) is a hollow cuboid; 所述中空挡墙分块II(12)为中空弧形的立体结构;所述中空挡墙分块II(12)上具有若干排水孔(121);所述排水孔(121)贯穿所述中空挡墙分块II(12)两侧;The hollow retaining wall block II (12) is a hollow arc-shaped three-dimensional structure; the hollow retaining wall block II (12) is provided with a plurality of drainage holes (121); the drainage holes (121) penetrate through the middle Both sides of block II (12) of empty retaining wall; 所述中空挡墙分块II(12)的内腔和所述中空挡墙分块I(11)的内腔连通;所述中空挡墙分块II(12)的内腔和所述中空挡墙分块I(11)的内腔连通处具有排水孔(121);The inner cavity of the hollow retaining wall block II (12) is communicated with the inner cavity of the hollow retaining wall sub-block I (11); the inner cavity of the hollow retaining wall sub-block II (12) and the hollow block A drainage hole (121) is provided at the communication part of the inner cavity of the wall block I (11); 所述中空挡墙分块III(13)为中空长方体;所述中空挡墙分块III(13)和水平面的夹角为
Figure DEST_PATH_IMAGE001
;所述中空挡墙分块III(13)预埋有锚固件(131);
The hollow retaining wall block III (13) is a hollow cuboid; the angle between the hollow retaining wall block III (13) and the horizontal plane is
Figure DEST_PATH_IMAGE001
; said hollow retaining wall block III (13) is pre-embedded with anchors (131);
所述中空挡墙分块III(13)的内腔和所述中空挡墙分块I(11)的内腔连通;The inner cavity of the hollow retaining wall block III (13) is communicated with the inner cavity of the hollow retaining wall sub-block I (11); 所述中空挡墙分块III(13)的内腔和所述中空挡墙分块II(12)的内腔连通;The inner cavity of the hollow retaining wall block III (13) communicates with the inner cavity of the hollow retaining wall sub-block II (12); 所述中空挡墙分块I(11)、所述中空挡墙分块II(12)和所述中空挡墙分块III(13)构成三角弧形立体结构;The hollow retaining wall block I (11), the hollow retaining wall block II (12) and the hollow retaining wall block III (13) form a triangular arc three-dimensional structure; 所述支承桩(2)的一端打入边坡土体,另一端锚接所述中空挡墙分块III(13);One end of the supporting pile (2) is driven into the slope soil body, and the other end is anchored to the hollow retaining wall block III (13); 所述支承桩(2)支撑所述中空三角弧形挡墙主体(1);The supporting pile (2) supports the hollow triangular arc retaining wall main body (1); 一个所述中空三角弧形挡墙主体(1)由两个相邻的所述支承桩(2)支撑;One of the hollow triangular arc retaining wall main bodies (1) is supported by two adjacent support piles (2); 所述支承桩(2)的一端支撑在所述中空挡墙分块III(13)下方,另一端垂直打入地基;所述支承桩(2)预埋有和所述中空挡墙分块III(13)的锚固件(131)相匹配的锚固件(141);One end of the support pile (2) is supported below the hollow retaining wall block III (13), and the other end is vertically driven into the foundation; the support pile (2) is pre-embedded with the hollow retaining wall block III (13). (13) the anchor (131) matches the anchor (141); 所述刚性连接件(3)将所述中空挡墙分块III(13)的锚固件和所述支承桩(2)的锚固件锚固在一起。The rigid connector (3) anchors the anchors of the hollow retaining wall block III (13) and the support piles (2) together.
2.根据权利要求1所述的一种中空三角弧形挡墙,其特征在于:所述中空三角弧形挡墙主体(1)为预制的钢筋混凝土;所述支承桩(2)为预制的矩形钢筋混凝土桩。2. A hollow triangular arc retaining wall according to claim 1, characterized in that: the main body (1) of the hollow triangular arc retaining wall is prefabricated reinforced concrete; the supporting piles (2) are prefabricated Rectangular reinforced concrete pile. 3.根据权利要求1所述的一种中空三角弧形挡墙,其特征在于:所述支承桩(2)打入地基的深度是支承桩(2)总长度的2/3以上或者根据具体的受力进行计算。3. A hollow triangular arc-shaped retaining wall according to claim 1, characterized in that: the depth at which the support piles (2) are driven into the foundation is more than 2/3 of the total length of the support piles (2). force is calculated. 4.根据权利要求1所述的一种中空三角弧形挡墙,其特征在于:所述中空三角弧形挡墙主体(1)和所述边坡(5)之间具有填实的填土(4);所述填土(4)为建筑废渣。The hollow triangular arc retaining wall according to claim 1, characterized in that: there is filled soil between the hollow triangular arc retaining wall main body (1) and the side slope (5). (4); The filling (4) is construction waste residue. 5.根据权利要求1所述的一种中空三角弧形挡墙,其特征在于:所述夹角
Figure 602474DEST_PATH_IMAGE002
5. The hollow triangular arc-shaped retaining wall according to claim 1, characterized in that: the included angle
Figure 602474DEST_PATH_IMAGE002
.
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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2762042B2 (en) * 1994-09-27 1998-06-04 親 中矢 Drainage device on retaining wall
CN2432281Y (en) * 2000-06-12 2001-05-30 宣汉县农业局 Prefabricated construction member for building embankment
CN102383400B (en) * 2010-09-28 2014-11-26 单发成 Debris flow resisting wall
CN203625927U (en) * 2013-12-25 2014-06-04 重庆科技学院 Arched retaining wall
CN107130613B (en) * 2017-05-19 2019-06-07 重庆大学 Large span tunnel is just wearing the retaining structure and its construction method of existing barricade
CN206829179U (en) * 2017-05-24 2018-01-02 中国电建集团贵阳勘测设计研究院有限公司 Retaining wall structure
CN206815278U (en) * 2017-05-27 2017-12-29 中交第三航务工程勘察设计院有限公司 A kind of assembled integral revetment structure on soft soil foundation

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