CN214460517U - Side slope retaining device - Google Patents

Side slope retaining device Download PDF

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Publication number
CN214460517U
CN214460517U CN202120321371.5U CN202120321371U CN214460517U CN 214460517 U CN214460517 U CN 214460517U CN 202120321371 U CN202120321371 U CN 202120321371U CN 214460517 U CN214460517 U CN 214460517U
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China
Prior art keywords
anchor rods
row
panel
side slope
slope
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CN202120321371.5U
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Chinese (zh)
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卢艺伟
王苑
刘浩
蒋先平
王文军
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Chinese Nonferrous Metal Survey And Design Institute Of Changsha Co ltd
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Chinese Nonferrous Metal Survey And Design Institute Of Changsha Co ltd
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Abstract

The utility model provides a side slope retaining device, which comprises a crown beam, a miniature pile, a panel, a stand column, a foundation beam and a plurality of rows of anchor rods; the miniature piles, the crown beams and the first row of anchor rods form a preliminary temporary support system, the three bear the load together to support the side slope, the side slope can be directly excavated to the bottom, the side slope collapse in the excavation process is effectively avoided, and the stability of the side slope and the construction safety are ensured. After the temporary support is excavated to the bottom, constructing a foundation beam, a stand column and a panel from bottom to top, and locking a second row of anchor rods and a third row of anchor rods through tensioning to form a permanent side slope support system together; the rock-soil body of the side slope is supported and blocked through the panel and the stand column, so that the side slope is effectively prevented from collapsing. Meanwhile, the gravity of the upright column, the downward component force of the anchor rod and other components loaded on the upright column can be transmitted to the foundation beam to share the bearing, so that the stability of the whole supporting and blocking device is enhanced; in addition, the rib columns and the panels are constructed from bottom to top, so that the construction process is more consistent, and the construction quality is guaranteed.

Description

Side slope retaining device
Technical Field
The utility model relates to a side slope support field, concretely relates to side slope retaining device.
Background
The side slope is non-hard rock side slope or for rock and soil mixed slope, often need carry out the side slope support in the work progress, chinese patent: ZL201720593457.7 discloses a rib column type anchor rod retaining wall structure, which mainly utilizes rib columns, crown beams, concrete plates and anchor rods to support side slopes, and can well support the side slopes, but the problem of side slope collapse is easily caused in the process of supporting construction and side slope excavation, and the construction progress and the construction quality are seriously influenced because one side cannot reach the bottom in the side slope excavation construction; in the construction process, the rib columns and the concrete slabs have great potential safety hazards due to the action of gravity. Therefore, there is a great need for a slope retaining device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a side slope retaining device to overcome the side slope technical problem that collapses among the background art.
The utility model relates to a side slope retaining device, including hat beam, miniature pile, panel, stand, foundation beam and multirow stock, the both sides of panel are equipped with stand and miniature pile respectively, and stand and miniature pile all set up along the longitudinal direction of panel, hat beam sets up in the top of stand, panel and miniature pile, foundation beam sets up in the bottom of stand and panel, the multirow stock sets up along the longitudinal direction interval of panel, wherein, the first row stock sets up in the hat beam department on panel top, the free end of the first row stock passes hat beam and extends to the side slope and fixes; the stock is all connected in the stand to other nth row stock one end to the second row stock, and the free end of second row stock and other nth row stock passes the panel and extends fixedly to the side slope, and n is more than or equal to 3 integers.
Furthermore, the first row of anchor rods adopts prestressed anchor rods, and the second row of anchor rods and other nth row of anchor rods adopt prestressed anchor rods and/or non-prestressed anchor rods.
Further, the first row of anchor rods, the second row of anchor rods and the other nth row of anchor rods are arranged at equal intervals in the longitudinal direction of the panel.
Further, the first row of anchor rods, the second row of anchor rods and other n-th row of anchor rods are all arranged in an inclined mode, and the inclined angle formed by the first row of anchor rods, the second row of anchor rods and other n-th row of anchor rods and the panel is 65-75 degrees.
Furthermore, the quantity of the stand columns and the micro piles arranged on the two sides of the panel are multiple, the multiple stand columns are arranged at intervals in the transverse direction of the panel, and the multiple micro piles are arranged at intervals in the transverse direction of the panel.
Furthermore, the upright columns and the micro piles arranged on the two sides of the panel are arranged in a staggered mode.
Furthermore, a plurality of upright posts arranged in the transverse direction of the panel are arranged at equal intervals, and a plurality of micro-piles arranged in the transverse direction of the panel are arranged at equal intervals.
Furthermore, a drain hole is arranged on the panel.
Further, this application device includes the guardrail, and the guardrail setting is on guan liang, and guan liang sets up in slope top elevation.
Further, the panels are cast-in-place concrete panels.
Compared with the prior art, the utility model discloses following beneficial effect has:
the side slope retaining device comprises a crown beam, miniature piles, a panel, stand columns, foundation beams and a plurality of rows of anchor rods; the miniature piles, the crown beams and the first row of anchor rods form a preliminary temporary support system, the three bear the load together to support the side slope, the side slope can be directly excavated to the bottom, the side slope collapse in the excavation process is effectively avoided, and the stability of the side slope and the construction safety are ensured. After the temporary support is excavated to the bottom, constructing a foundation beam, a stand column and a panel from bottom to top, and locking a second row of anchor rods and a third row of anchor rods through tensioning to form a permanent side slope support system together; the rock-soil body of the side slope is supported and blocked through the panel and the stand column, so that the side slope is effectively prevented from collapsing. Meanwhile, the gravity of the upright column, the downward component force of the anchor rod and other components loaded on the upright column can be transmitted to the foundation beam to share the bearing, so that the stability of the whole supporting and blocking device is enhanced; in addition, the rib columns and the panels are constructed from bottom to top, so that the construction process is more consistent, and the construction quality is guaranteed.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a sectional view of a slope retaining device according to the present embodiment;
FIG. 2 is a schematic elevation view of a slope retaining device of the present embodiment;
the system comprises 1, miniature piles, 2, a crown beam, 3, a first row of anchor rods, 4, a second row of anchor rods, 5, a third row of anchor rods, 6, anchor heads, 7, a foundation beam, 8, a stand column, 9, a panel, 10, a water drainage hole, 11, a guardrail, A, a slope top elevation position, B, a slope bottom elevation position, C and a side slope.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 2, the utility model provides a side slope retaining device, which comprises a crown beam 2, micro-piles 1, a panel 9, upright columns 8, foundation beams 7 and a plurality of rows of anchor rods, wherein the upright columns and the micro-piles are respectively arranged on two sides of the panel and are arranged along the longitudinal direction of the panel; the crown beam is arranged at the top ends of the upright columns, the panels and the micro piles and is arranged at the slope top elevation A of the side slope C; the foundation beam sets up in the bottom of stand and panel, and the foundation beam setting is below the slope bottom elevation B of side slope, and the bottom setting of micropile is below the slope bottom elevation of side slope. The multiple rows of anchor rods are arranged at equal intervals along the longitudinal direction of the panel, and the application device of the embodiment is provided with three rows of anchor rods; wherein, first row stock 3 sets up in the hat roof beam department on panel top, and the hat roof beam has preset the stock pipeline along self length direction, and the terminal surface of stock pipeline is equipped with anchor head 6 and seals the anchor, and first row stock one end is connected in the anchor head of hat roof beam, and the other end of first row stock passes the stock pipeline and beats to the side slope, and the muck rock mass to the side slope in extends fixedly. Stock 4 and the 5 one ends of third row stock are all connected in stand 8 in the second row, specifically include: the upright post is provided with a second anchor rod mounting hole and a third anchor rod mounting hole at intervals along the height direction of the upright post, one end of a second row of anchor rods is mounted in the second anchor rod mounting hole of the upright post, and the free end of a second row of prestress penetrates through the panel to be punched to a side slope and extends and is fixed to a muck rock body in the side slope; one end of the third row of anchor rods is installed in a third anchor rod installation hole of the stand column, and the free ends of the third row of anchor rods penetrate through the panel to be punched to the side slope and extend and fix towards the muck rock body in the side slope.
In the embodiment, the number of the stand columns and the number of the micro piles arranged on the two sides of the panel are multiple, and the stand columns and the micro piles arranged on the two sides of the panel are arranged in a staggered mode; the upright posts are arranged at equal intervals along the transverse direction of the panel, and the distance between two adjacent upright posts in the transverse direction of the panel is preferably 2-4 m; the multiple micro-piles are arranged at equal intervals along the transverse direction of the panel, and the distance between every two adjacent micro-piles in the transverse direction of the panel is preferably 2-4 m. The stand and the micropile dislocation are arranged on the panel for the structure of panel is more even reasonable, supports and bears more load pressure. The first row of anchor rods, the second row of anchor rods and the third row of anchor rods are all arranged in an inclined direction, and the inclined angle formed by the first row of anchor rods, the second row of anchor rods and the third row of anchor rods and the panel is 65-75 degrees; and the distance between two adjacent rows of anchor rods is preferably 2-6 m. The face plate is provided with a water drainage hole 10 which is beneficial to draining accumulated water in the side slope muck rock layer.
The micro pile in the embodiment adopts a cylindrical pile with the diameter of 300-.
In the process of side slope retaining construction, a pile driver is adopted to construct and install a miniature pile on a side slope in advance, after the miniature pile is arranged, side slope soil and stones are excavated from top to bottom, when the miniature pile is excavated to the elevation of the slope top, a first row of anchor rods are driven to a side slope muck rock body by an anchor rod machine, after the first row of anchor rods are constructed and installed by the anchor rod machine, the crown beam is constructed and installed on a first prestress, and the first row of anchor rods are locked and fixed through anchor heads and seal anchors arranged on the crown beam; the micro piles, the crown beams and the first row of anchor rods form a temporary supporting system, so that the temporary stability of the side slope is guaranteed, and collapse is effectively prevented in the side slope excavation process. Continuing to excavate slope soil stones from top to bottom, and sequentially constructing and installing a second row of anchor rods, a third row of anchor rods and an nth row of anchor rods, wherein n is an integer greater than or equal to 3, until the slope bottom elevation is constructed; in this embodiment only need be under construction again and install anchor rod and the third row of anchor rod, specific construction mode includes: when the side slope is excavated to a position 0.5m below the installation position of the second row of anchor rods from top to bottom, the second row of anchor rods are constructed and installed, and the second row of anchor rods are driven to the side slope muck rock body by using an anchor rod machine; and then, excavating the side slope from top to bottom to 0.5m below the installation position of the third row of anchor rods, constructing and installing the third row of anchor rods, and driving the third row of anchor rods to the side slope muck rock body by using an anchor rod machine. And after the foundation beam is excavated to the slope bottom, constructing the foundation beam, and locking the second row of anchor rods and the third row of anchor rods from bottom to top to form a permanent slope retaining device. In the embodiment, the foundation beam is constructed and installed below the slope bottom and is 0.5-1.5m away from the elevation plane of the slope bottom; constructing and installing the miniature pile below the slope bottom, wherein the distance between the miniature pile and the elevation plane of the slope bottom is 1.5-4 m; the first row of anchor rods adopts prestressed anchor rods, and the second row of anchor rods and the third row of anchor rods adopt prestressed anchor rods and/or non-prestressed anchor rods; namely, the second row of anchor rods can adopt prestressed anchor rods, and the second row of anchor rods can also adopt non-prestressed anchor rods; the third row of anchor rods can adopt prestressed anchor rods, and the third row of anchor rods can also adopt non-prestressed anchor rods. The principle of adopting the prestressed anchor rod or the non-prestressed anchor rod is that the prestressed anchor rod is adopted at the position with larger deformation, the non-stressed anchor rod is adopted at the position with small deformation, the deformation size is specifically determined by the existing calculation formula, and the specific deformation range size standard is set by referring to the existing standard allowable value in the industry. The top of the crown beam at the elevation of the slope top is also provided with a guardrail 11 which can support and keep off the side slope, prevent vegetation on the side slope from stretching out and prevent personnel from crossing over.
The utility model provides a miniature stake, crown beam and the first row of stock of device form the temporary support system, have the same atress of three to bear and support the side slope, guarantee the transient stability of side slope, can directly excavate the side slope on the earth, and effectively avoid the excavation in-process to take place the side slope and slump, ensure construction safety. After the temporary support is excavated to the bottom, constructing a foundation beam, a stand column and a panel from bottom to top, and locking a second row of anchor rods and a third row of anchor rods through tensioning to form a permanent side slope support system together; the rock-soil body of the side slope is supported and blocked through the panel and the stand column, so that the side slope is effectively prevented from collapsing. Meanwhile, the gravity of the upright column, the downward component force of the anchor rod and other components loaded on the upright column can be transmitted to the foundation beam to share the bearing, so that the stability of the whole supporting and blocking device is enhanced; in addition, the rib columns and the panels are constructed from bottom to top, so that the construction process is more consistent, and the construction quality is guaranteed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A side slope retaining device is characterized by comprising a crown beam, miniature piles, a panel, stand columns, foundation beams and a plurality of rows of anchor rods, wherein the stand columns and the miniature piles are arranged on two sides of the panel respectively and are arranged along the longitudinal direction of the panel; one ends of the second row of anchor rods and the other nth row of anchor rods are connected to the upright post, and the free ends of the second row of anchor rods and the other nth row of anchor rods penetrate through the panel and extend into the side slope for fixing; n is an integer of 3 or more.
2. The slope retaining device of claim 1, wherein the first row of anchor rods is pre-stressed anchor rods, and the second row of anchor rods and the other nth row of anchor rods are pre-stressed anchor rods and/or non-pre-stressed anchor rods.
3. The slope retaining device of claim 1, wherein the first row of anchor rods, the second row of anchor rods and the other nth row of anchor rods are arranged at equal intervals along the longitudinal direction of the panel.
4. The slope supporting and retaining device according to claim 3, wherein the first row of anchor rods, the second row of anchor rods and the other n-th row of anchor rods are all arranged in an inclined manner, and the inclined angle formed by the first row of anchor rods, the second row of anchor rods and the other n-th row of anchor rods and the panel is 65-75 degrees.
5. The slope retaining device of claim 1, wherein the number of the posts and the micro-piles disposed on both sides of the panel is plural, the plural posts are spaced apart along the transverse direction of the panel, and the plural micro-piles are spaced apart along the transverse direction of the panel.
6. The slope supporting and retaining device according to claim 5, wherein the columns and the micro-piles arranged on the two sides of the panel are arranged in a staggered manner.
7. The slope supporting and retaining device of claim 5, wherein the plurality of vertical posts are arranged in the transverse direction of the panel at equal intervals, and the plurality of micro-piles are arranged in the transverse direction of the panel at equal intervals.
8. A slope retaining apparatus according to any one of claims 1 to 7 wherein said panel is provided with drainage apertures.
9. The slope retaining device of claim 8, comprising a guardrail disposed on a crown beam disposed at an elevation of the top of the slope.
10. The slope retaining apparatus of claim 9 wherein the panels are cast concrete panels.
CN202120321371.5U 2021-02-04 2021-02-04 Side slope retaining device Active CN214460517U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120321371.5U CN214460517U (en) 2021-02-04 2021-02-04 Side slope retaining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120321371.5U CN214460517U (en) 2021-02-04 2021-02-04 Side slope retaining device

Publications (1)

Publication Number Publication Date
CN214460517U true CN214460517U (en) 2021-10-22

Family

ID=78118193

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120321371.5U Active CN214460517U (en) 2021-02-04 2021-02-04 Side slope retaining device

Country Status (1)

Country Link
CN (1) CN214460517U (en)

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