CN205688448U - A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing - Google Patents
A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing Download PDFInfo
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- CN205688448U CN205688448U CN201620552442.1U CN201620552442U CN205688448U CN 205688448 U CN205688448 U CN 205688448U CN 201620552442 U CN201620552442 U CN 201620552442U CN 205688448 U CN205688448 U CN 205688448U
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Abstract
The utility model discloses a kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing, including piled anchor retaining structure and lattice anchor cable retaining structure；Piled anchor retaining structure is arranged on soil layer (9), friction pile (1) is cylindrical shape, friction pile (1) is vertically arranged in soil layer (9) and above and embeds in karst layer (10), first anchor cable (2 1) one end is fixed on waist rail, and the other end tilts through soil layer and anchors into karst layer (10)；Lattice anchor cable retaining structure is arranged on the karst layer (10) of soil layer (9) lower section, lattice (3) tilts attachment karst layer (10), second anchor cable (2 2) one end is fixed on lattice (3), the other end tilts to anchor into karst layer (10), and gunite concrete plate (8) is arranged between lattice (3).It is few that this device friction pile (1) embeds karst layer (10) amount, has saved production cost to a certain extent, has avoided hole stake underwater excavation simultaneously and easily produce the risk of collapse hole, improve production efficiency.
Description
Technical field
This utility model relates to rock-soil layer Base hole supporting technology field, karst area, is specifically related to upper overburden layer thickness, underlies
Karst rock crushing, level of ground water are high and are close to the foundation pit support device structure of existing outmoded building.
Background technology
Karst i.e. karst (KARST) karst, refers to the water (surface water and groundwater) corrosion to solublerock,
Part rock mass contains shale, and air slaking are more serious, thus upper soil horizon thickness is thicker, and subterrane rock crushing.Because of this of karst
Kind of characteristic, surveys its difficulty strengthen the most accordingly, when carrying out base pit engineering excavation in karst area karst area carries out ground
Time, due to place overlying thicker soil, subterrane rock crushing.Add place Karst water table height, water yield greatly, and
Base pit engineering periphery gathers existing outmoded brick mixed building.Therefore, base pit engineering excavate during and at outer wall of basement facility still
When being not fully complete, if excavation slope not being carried out supporting, excavation slope deformation certainly will be caused, collapse, having a strong impact on periphery existing
The use of outmoded brick mixed building, the problem that the periphery house during even causing excavation collapses.Therefore, a kind of letter how is provided
Single, effectively and the foundation pit support device in protection Po Ding house, to control excavation slope deformation, top, protection slope existing building does not occurs
Displacement, destruction, be the problem that must take into during karst base pit engineering excavation.
Summary of the invention
The technical problems to be solved in the utility model is: provides one to utilize karst fragmented rock body to reinforce bearing and builds soil layer
The foundation pit support device of piled anchor structure, to solve when the base pit engineering of karst fragmented rock body overlying thicker soil excavates due to side slope
Put that slope condition is limited and slope holds out against the palpus of adjacent outmoded brick mixed building and strictly controls the engineering problem that slope deforming is faced.
A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing, including piled anchor retaining structure and lattice anchor cable
Retaining structure；Piled anchor retaining structure is arranged on soil layer, piled anchor retaining structure include friction pile, the first anchor cable, Guan Liang, waist rail and
Plate between Zhuan, friction pile is cylindrical shape, and friction pile is vertically arranged on soil layer and embeds in karst layer, and Guan Liang is arranged on friction pile
Top, waist rail is arranged in the middle part of friction pile, and between stake, plate is arranged between friction pile, and first anchor cable one end is fixed on waist rail, separately
One end tilts through soil layer and anchors into karst layer, and the first anchor cable horizontal angle angle is 15 ° to 35 °；Lattice anchor cable retaining structure sets
Putting on the karst layer below soil layer, lattice anchor cable retaining structure includes lattice, the second anchor cable and gunite concrete plate, and lattice inclines
Tiltedly attachment karst layer, second anchor cable one end is fixed on lattice, and the other end tilts to anchor into karst layer, and the second anchor cable horizontal angle is
15 ° to 35 °, gunite concrete plate is arranged between lattice.
Further, this friction pile of foundation pit support device utilizing karst fragmented rock body to reinforce bearing is vertically arranged in soil layer
Go up and embed in karst layer 3 to 5 meters.
Further, this first anchor cable one end of foundation pit support device utilizing karst fragmented rock body to reinforce bearing is fixed on waist
Liang Shang, the other end anchors into karst layer through soil layer and is 6 to 8 meters；Second anchor cable one end is fixed on lattice, and the other end anchors into karst
6 to 8 meters of layer.
This utility model is by arranging piled anchor retaining structure in soil layer part, and designs lattice anchor cable retaining structure reinforcing rock
Molten fragmented rock body bearing, thus put slope due to side slope when solving the base pit engineering excavation of karst fragmented rock body overlying thicker soil
The engineering problem that slope deforming is faced must be strictly controlled when condition is limited and slope holds out against adjacent outmoded brick mixed building.And this dress
Put friction pile embedding karst layer amount few, saved production cost to a certain extent, avoided hole stake underwater excavation easy simultaneously
Produce the risk of collapse hole, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is generalized section of the present utility model；
Fig. 2 is elevational schematic view of the present utility model.
In the drawings, 1, friction pile；2-1, the first anchor cable；2-2, the second anchor cable；3, lattice；4, Guan Liang；5, waist rail；6, Po Ding
It is close to outmoded brick mixed building；7, plate between stake；8, gunite concrete plate；9, soil layer；10, karst layer.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining that practicality is new
Type, is not intended to limit scope of the present utility model.
A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing, including piled anchor retaining structure and lattice anchor cable
Retaining structure；Piled anchor retaining structure is arranged on soil layer 9, piled anchor retaining structure include friction pile the 1, first anchor cable 2-1, hat beam 4,
Plate 7 between waist rail 5 and stake, friction pile 1 is cylindrical shape, and friction pile 1 is vertically arranged on soil layer 9 and embeds in karst layer 10, hat
Beam 4 is arranged on friction pile 1 top, and waist rail 5 is arranged in the middle part of friction pile 1, and between stake, plate 7 is arranged between friction pile 1, the first anchor cable
2-1 one end is fixed on waist rail 5, and the other end anchors into karst layer 10 through soil layer 9, and the first anchor cable 2-1 horizontal sextant angle angle is 15 °
To 35 °；Lattice anchor cable retaining structure is arranged on the karst layer 10 below soil layer 9, lattice anchor cable retaining structure include lattice 3,
Second anchor cable 2-2 and gunite concrete plate 8, lattice 3 tilts attachment karst layer 10, and second anchor cable 2-2 one end is fixed on lattice 3
On, the other end anchors into karst layer, and the second anchor cable 2-2 horizontal sextant angle is 15 ° to 35 °, gunite concrete plate 8 be arranged on lattice 3 it
Between.
For making pattern foundation pit supporting structure the most firm, strictly control slope deforming, arrive safety in production.This utilizes karst fragmented rock body
Reinforce the friction pile 1 of foundation pit support device of bearing and be vertically arranged on soil layer 9 and anchor in karst layer 10 3 to 5 meters.
Make supporting the most firm for further foundation ditch, strictly control slope deforming, arrive safety in production.This utilizes karst to break
First anchor cable 2-1 one end of the foundation pit support device of broken rock mass reinforcing bearing is fixed on waist rail 5, and the other end passes soil layer 9 anchor
Enter in karst layer 10 6 to 8 meters；Second anchor cable 2-2 one end is fixed on lattice 3, and the other end anchors in karst layer 10 6 to 8 meters.
Construction procedure of the present utility model is, first digs the hole of friction pile 1, then carries out the pouring of friction pile 1, friction pile 1
Arrange quantity according to engineering size, then dig foundation ditch, during digging foundation ditch, progressively carry out anchor cable position arrangement, play anchor cable solid
Fixed, anchor cable is also to arrange quantity according to engineering size, continues to dig foundation ditch, the most progressively carries out anchor cable, the construction of lattice 3, lattice
The anchor cable of anchor cable retaining structure is also progressively to carry out arranging to fix.Thus complete the base utilizing karst fragmented rock body to reinforce bearing
The setting of hole suspension device.This device preferably resolve karst fragmented rock body overlying thicker soil base pit engineering excavation time by
Slope condition is put limited and must strictly control the engineering that slope deforming faced time slope holds out against adjacent outmoded brick mixed building 6 and ask in side slope
Topic.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (3)
1. one kind utilize karst fragmented rock body reinforce bearing foundation pit support device, it is characterised in that: described utilize karst crush
The foundation pit support device of rock mass reinforcing bearing includes piled anchor retaining structure and lattice anchor cable retaining structure；Described piled anchor retaining structure
Be arranged on soil layer (9), described piled anchor retaining structure include friction pile (1), the first anchor cable (2-1), Guan Liang (4), waist rail (5) and
Plate (7) between Zhuan, described friction pile (1) is cylindrical shape, and described friction pile (1) is vertically arranged in soil layer (9) and above and embeds karst
In layer (10), described Guan Liang (4) is arranged on friction pile (1) top, and described waist rail (5) is arranged on friction pile (1) middle part, described stake
Between plate (7) be arranged between friction pile (1), described first anchor cable (2-1) one end is fixed on waist rail (5), the other end tilt wear
Crossing soil layer (9) and anchor into karst layer (10), described first anchor cable (2-1) horizontal sextant angle is 15 ° to 35 °；Described lattice anchor cable props up gear
Structure is arranged on the karst layer (10) of soil layer (9) lower section, and described lattice anchor cable retaining structure includes lattice (3), the second anchor cable
(2-2) with gunite concrete plate (8), described lattice (3) tilts attachment karst layer (10), and described second anchor cable (2-2) one end is solid
Being scheduled on lattice (3), the other end tilts to anchor into karst layer (10), and described second anchor cable (2-2) horizontal sextant angle is 15 ° to 35 °, institute
State gunite concrete plate (8) to be arranged between lattice (3).
A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing the most according to claim 1, its feature exists
It is vertically arranged in soil layer (9) upper and embed in karst layer (10) 3 to 5 meters in: described friction pile (1).
A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing the most according to claim 1 and 2, its feature
Being: described first anchor cable (2-1) one end is fixed on waist rail (5), it is 6 that the other end anchors into karst layer (10) through soil layer (9)
To 8 meters；Described second anchor cable (2-2) one end is fixed on lattice (3), and the other end anchors into (10) 6 to 8 meters of karst layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552442.1U CN205688448U (en) | 2016-06-08 | 2016-06-08 | A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552442.1U CN205688448U (en) | 2016-06-08 | 2016-06-08 | A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing |
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| CN205688448U true CN205688448U (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620552442.1U Active CN205688448U (en) | 2016-06-08 | 2016-06-08 | A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887895A (en) * | 2016-06-08 | 2016-08-24 | 贵州正业工程技术投资有限公司 | Foundation supporting device for reinforcing support through karst broken rock body |
| CN114045844A (en) * | 2021-11-12 | 2022-02-15 | 贵州建工集团第一建筑工程有限责任公司 | Slope anchor rope construction bearing structure |
-
2016
- 2016-06-08 CN CN201620552442.1U patent/CN205688448U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887895A (en) * | 2016-06-08 | 2016-08-24 | 贵州正业工程技术投资有限公司 | Foundation supporting device for reinforcing support through karst broken rock body |
| CN114045844A (en) * | 2021-11-12 | 2022-02-15 | 贵州建工集团第一建筑工程有限责任公司 | Slope anchor rope construction bearing structure |
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| GR01 | Patent grant |