CN106759378B - Level is to the construction method for drawing anchor cable - Google Patents
Level is to the construction method for drawing anchor cable Download PDFInfo
- Publication number
- CN106759378B CN106759378B CN201710001323.6A CN201710001323A CN106759378B CN 106759378 B CN106759378 B CN 106759378B CN 201710001323 A CN201710001323 A CN 201710001323A CN 106759378 B CN106759378 B CN 106759378B
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- supporting construction
- anchor cable
- construction
- horizontal
- drawing anchor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
It to include: S1 to the construction method for drawing anchor cable that the present invention relates to levels: the two adjacent supporting construction to excavation pit of constructing, corresponding first supporting construction and the second supporting construction S2 are formed in two adjoining sides of foundation pit: excavating the soil body in two foundation pits and the soil body between the first supporting construction and the second supporting construction to bottom preset height, to enable the gap in the first supporting construction and the second supporting construction expose；S3: providing bottom level to anchor cable is drawn, and bottom level is installed at bottom preset height to anchor cable is drawn, to drawing the first supporting construction of connection and the second supporting construction；And S4: the backfill supreme preset height S5 of the soil body between the first supporting construction and the second supporting construction: offer is horizontal to install level to drawing anchor cable to drawing the first supporting construction of connection and the second supporting construction to drawing anchor cable at a upper preset height；S6: step S4 and S5 are repeated to the soil body of backfill to ground elevation.S7: concrete structural slab of constructing at ground elevation.
Description
Technical field
It is espespecially a kind of horizontal to the construction method for drawing anchor cable the present invention relates to the realm of building construction.
Background technique
With being increasing for building, the exploitation of the underground space is more and more.In underground space building work progress, base
Hole pile-anchor supporting system determines the stability and safety of building.
Refering to fig. 1, it is shown that the structural schematic diagram of the pile-anchor supporting system of a foundation pit in the prior art.As shown in Figure 1,
When the foundation pit of building is when being constructed, if necessary to excavate a foundation pit 1a, and the depth of foundation of foundation pit is very deep, foundation pit
The soil on periphery is easy to collapse, and in order to guarantee the stability of foundation pit, just must carry out supporting to foundation pit 1a, excavate forward position foundation pit 1a
Periphery make a call to a vertical support pile 2a of circle, the collapsing of soil is stopped with support pile 2a.To prevent support pile 2a in digging process
Collapse, provides anchor pulling force to support pile 2a using anchor cable 3a, one end of anchor cable 3a is tilted down into insertion site soil layers, by anchor cable
Gap of the other end of 3a across two neighboring support pile 2a, and be anchored on waist rail 4a.It is anchored using anchor cable 3a
Displacement and the internal force of support pile 2a can be reduced, in allowed limits by the Deformation control of foundation pit 1a.
Refering to Fig. 2 and Fig. 3, it is shown that two the horizontal of Adjacent Pit are illustrated to the step of drawing anchor cable installation in the prior art
Figure.In conjunction with shown in Fig. 2 and Fig. 3, when needing to carry out the excavation of two Adjacent Pits, pattern foundation pit supporting structure uses pile-anchor supporting system,
Since the clear spacing L between two Adjacent Pits is smaller, two such Adjacent Pit clear spacing L is unsatisfactory for the oblique anchoring of anchor cable
Length requirement, to the oblique anchoring of anchor cable is changed to horizontal to drawing anchoring installation.Specific construction method is: excavating forward position base
The vertical support pile 2b of a circle is made a call on the periphery of hole 1b, the vertical support pile 4b of a circle is made a call to along the periphery of foundation pit 3b, with support pile 2b
Stop the collapsing of soil with support pile 4b.Two adjacent foundation pits are cut the earth to first of anchor cable installation site, drilling, place anchor
Rope, anchorage cable stretching, anchor cable locking, complete the installation of first of anchor cable 5b.Then foundation pit is cut the earth to second anchor cable installation position
It sets, drill, placing anchor cable, anchorage cable stretching, anchor cable locking, completing the installation of second anchor cable 6b.So circulation excavates downwards two
The earthwork of a foundation pit, anchor cable of constructing when excavating, until two Adjacent Pits to be excavated to the absolute altitude of design substrate.
Refering to Fig. 4, it is shown that the top view of Fig. 3.In conjunction with shown in Fig. 2 to Fig. 4, in the process, needing will be to drawing anchor cable
It wears in the gap between the support pile for being mounted on solid matter, otherwise will wear damage support pile.Generally using drilling machine pore-forming
Mode is the punching that wears to anchor cable is drawn, and drilling machine pore-forming enters from a foundation pit supporting pile, then from adjacent foundation pit supporting pile
Out.General drilling machine pore-forming need to be drawn using electronics guide instrument, but the signal that electronics guide instrument is issued is difficult to penetrate centre
Concrete structural slab 7b so that the receiving instrument more than ground concrete structure is difficult to receive signal, and then lead to electricity
Sub- guide instrument failure.Drilling machine pore-forming from the gap of concrete-pile it is difficult to ensure that pass through, it is easy to just get on concrete-pile and
Damage support pile.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide a kind of horizontal to the construction method for drawing anchor cable, solution
When certainly installing the horizontal anchor cable to drawing in two Adjacent Pits in the prior art, drilling machine pore-forming is easy to get on concrete-pile and damage
The problem of bad support pile.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of horizontal construction method to drawing anchor cable, includes the following steps:
S1: the supporting construction for two adjacent foundation pits to be excavated of constructing is formed pair in two adjoining sides of foundation pit
The first supporting construction and the second supporting construction answered；
S2: excavate two foundation pits in the soil body and between first supporting construction and second supporting construction
The soil body, until bottom preset height, to enable the gap in first supporting construction and second supporting construction expose；
S3: providing bottom level to anchor cable is drawn, and the bottom level is installed at the bottom preset height to drawing anchor cable,
To the bottom for drawing connection first supporting construction and second supporting construction；And
The soil body, a supreme preset height are backfilled between S4: Yu Suoshu first supporting construction and second supporting construction；
S5: provide it is horizontal to anchor cable is drawn, installed at a upper preset height it is horizontal to drawing anchor cable, with to drawing connection described the
One supporting construction and second supporting construction；
S6: repeating step S4 and S5, until the soil body of backfill reaches ground elevation；
S7: concrete structural slab of constructing in the ground elevation.
It is of the invention horizontal to the construction method for drawing anchor cable the utility model has the advantages that
The horizontal construction method to drawing anchor cable installation level between two supporting construction of the invention does not have to when drawing anchor cable
Cubic metre of earth obstruct the view, it is horizontal to drawing the anchor cable can accurately to pass through from the gap of supporting construction, solve in the prior art by
There are the earthwork to obstruct the view between two supporting construction, uses the mode of drilling machine pore-forming for the punching that wears to anchor cable is drawn, bores
Machine pore-forming need to be drawn using electronics guide instrument, and the signal that electronics guide instrument is issued is difficult to penetrate intermediate concrete structural slab,
So that the receiving instrument more than ground concrete structure is difficult to receive signal, and then causes electronics guide instrument to fail, hold very much
The problem of easily just getting into supporting construction made of concrete and damaging supporting construction.It is of the invention horizontal to the construction party for drawing anchor cable
Method is simple and convenient, improves horizontal to the construction efficiency for drawing anchor cable installation.
It is of the invention horizontal to the construction method for drawing anchor cable further improvement lies in that, further includes: at Yu Suoshu ground elevation,
Top horizontal is installed between first supporting construction and second supporting construction to anchor cable is drawn, to pass through top horizontal pair
Draw anchor cable to the top for drawing connection first supporting construction and second supporting construction.
It is of the invention horizontal to the construction method for drawing anchor cable further improvement lies in that, step S3 includes:
The bottom level is corresponding to drawing anchor cable to be placed in first supporting construction and second supporting construction
Gap, and make the bottom level to draw anchor cable one end stretched out from corresponding first supporting construction, separately
One end stretches out from corresponding second supporting construction；And
In the bottom level to the end for drawing anchor cable and along first supporting construction and second supporting construction
Surface construction waist rail, to anchor the bottom level to the end for drawing anchor cable by the waist rail.
It is of the invention horizontal to the construction method for drawing anchor cable further improvement lies in that, the first supporting construction of Yu Suoshu and described
Top horizontal is installed between second supporting construction to drawing anchor cable, comprising:
Top horizontal is provided to anchor cable is drawn, the top horizontal is placed in first supporting construction and institute to drawing anchor cable
State corresponding gap in the second supporting construction, and make the top horizontal to draw the one end of anchor cable from corresponding described the
It is stretched out at one supporting construction, the other end is stretched out from corresponding second supporting construction；And
In the top horizontal to the end for drawing anchor cable and along first supporting construction and second supporting construction
Surface construction waist rail, to anchor the top horizontal to the end for drawing anchor cable by the waist rail.
It is of the invention horizontal to the construction method for drawing anchor cable further improvement lies in that, further includes: by the two neighboring base
Hole is excavated to design substrate absolute altitude.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pile-anchor supporting system of a foundation pit in the prior art.
Fig. 2 to Fig. 3 is the horizontal step schematic diagram to drawing anchor cable installation of two Adjacent Pits in the prior art.
Fig. 4 is the top view of Fig. 3.
Fig. 5 to Figure 15 is the horizontal step schematic diagram to the construction method for drawing anchor cable of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refering to Fig. 5 to Figure 15, it is shown that the horizontal step schematic diagram to the construction method for drawing anchor cable of the present invention.In conjunction with Fig. 5
It to shown in Figure 15, constructs to the foundation pit A to be excavated and foundation pit B to be excavated that are disposed adjacent, pattern foundation pit supporting structure uses piled anchor
Support system, the clear spacing between foundation pit A to be excavated and foundation pit B to be excavated is smaller, and it is oblique to be unsatisfactory for prior art stream line
To the length requirement of anchoring, to be changed to horizontal to the mode for drawing anchor cable fixed.It is of the invention horizontal to the construction method for drawing anchor cable
The level of being particularly suitable for is shallower to the buried depth for drawing anchor cable, and earth excavation, backfill measure little situation.
The horizontal construction method to drawing anchor cable of the invention includes: the periphery construction supporting structure along foundation pit A to be excavated,
Along the periphery construction supporting structure of foundation pit B to be excavated, in the present embodiment, supporting construction is to be primarily subjected to lateral thrust
Stake.Wherein the first supporting construction of formation 1 of the side close to foundation pit B to be excavated of foundation pit A to be excavated, foundation pit to be excavated
The second supporting construction of formation 2 of the side close to foundation pit A to be excavated of B.Due to the first supporting construction 1 and the second supporting construction
There are the earthwork between 2, and in the horizontal anchor cable to drawing of installation, sight has been blocked in the earthwork, use the mode of drilling machine pore-forming for drawing anchor
Rope wears punching, and drilling machine pore-forming need to be drawn using electronics guide instrument, and the signal that electronics guide instrument is issued is difficult to penetrate centre
Concrete structural slab 6 so that the receiving instrument in 6 or more the concrete structural slab on ground is difficult to receive signal, and then lead
Sub- guide instrument failure is sent a telegraph, drilling machine from the gap of supporting construction it is difficult to ensure that punch, it is easy to just get into made of concrete
Supporting construction is damaged in supporting construction.
Such as Fig. 5, to solve the above problems, by the soil body in the soil body in foundation pit A to be excavated, foundation pit B to be excavated with
And the first soil excavation between supporting construction 1 and the second supporting construction 2, until bottom preset height, to enable the first supporting construction 1
Expose with the interior gap of the second supporting construction 2, no soil body obstructs the view.
As shown in fig. 6, providing bottom level to anchor cable 3 is drawn, bottom level is installed at bottom preset height to drawing anchor cable
3, to the bottom for drawing connection the first supporting construction and the second supporting construction.Specifically, bottom level is placed in drawing anchor cable 3
Corresponding gap in first supporting construction 1 and the second supporting construction 2, and make bottom level to draw anchor cable 3 one end from
It is stretched out at corresponding first supporting construction 1, bottom level is to the other end of drawing anchor cable 3 from corresponding second supporting construction 2
It stretches out, to complete to place construction of the bottom level to anchor cable 3 is drawn between the first supporting construction 1 and the second supporting construction 2.
As shown in fig. 7, for bottom level fixes drawing 3 tensioning of anchor cable, in level to the end construction waist rail for drawing anchor cable
30, surface construction of the waist rail 30 along the first supporting construction 1 and the second supporting construction 2.Specifically, first by bottom level to drawing anchor cable
3 tensioning are fixed, and recycle waist rail 30 that bottom level is fixed on the first supporting construction 1 and the second supporting to the end for drawing anchor cable 3
At structure 2, to complete construction of the installation bottom level to anchor cable 3 is drawn, the first supporting construction 1 and the second supporting are anchored with drawknot
The bottom of structure 2.
As shown in figure 8, after construction completes bottom level to anchor cable 3 is drawn, in the first supporting construction 1 and the second supporting construction
Between 2, bottom level the top for drawing anchor cable 3 is backfilled the soil body, until a supreme preset height, for installing one of level
To drawing anchor cable.
As shown in figure 9, specifically, providing one of level to anchor cable 4 is drawn, upper level together being placed in drawing anchor cable 4
Corresponding gap in first supporting construction 1 and the second supporting construction 2, and make horizontal to the one end for drawing anchor cable 4 together
Stretched out from corresponding first supporting construction 1, it is upper together it is horizontal to draw the other end of anchor cable 4 from corresponding second supporting construction
It is stretched out at 2, to complete to place horizontal applying to drawing anchor cable 4 together between the first supporting construction 1 and the second supporting construction 2
Work.
As shown in Figure 10, to fix upper level together to drawing 4 tensioning of anchor cable, upper horizontal to the end for drawing anchor cable 4 together
Portion's construction waist rail 40, surface construction of the waist rail 40 along the first supporting construction 1 and the second supporting construction 2.By upper level together to drawing
4 tensioning of anchor cable is fixed, and will be upper horizontal to drawing the end of anchor cable 4 to be fixed on the first supporting construction 1 and the together using waist rail 40
At two supporting construction 2, to complete to install one of horizontal construction to anchor cable 4 is drawn, 1 He of the first supporting construction is anchored with drawknot
Second supporting construction 2.
As shown in figure 11, the step of installing level is to drawing anchor cable is repeated until the soil body of backfill reaches ground elevation.
As shown in figure 12, top horizontal is installed at ground elevation, between the first supporting construction 1 and the second supporting construction 2
To anchor cable 5 is drawn, thus by top horizontal to the tops for drawing 5 pairs of anchor cable drawing connection the first supporting construction 1 and the second supporting construction 2
Portion.Specifically, top horizontal is provided to anchor cable 5 is drawn, and top horizontal is placed in the first supporting construction 1 and second to drawing anchor cable 5
Corresponding gap in supporting construction 2, and make top horizontal to draw the one end of anchor cable 5 from corresponding first supporting construction 1
Place is stretched out, and top horizontal stretches out the other end for drawing anchor cable 5 from corresponding second supporting construction 2, to complete first
Construction of the top horizontal to anchor cable 5 is drawn is placed between supporting construction 1 and the second supporting construction 2.
As shown in figure 13, to fix top horizontal to drawing 5 tensioning of anchor cable, the end for drawing anchor cable 5 is applied in top horizontal
Work waist rail 50, surface construction of the waist rail 50 along the first supporting construction 1 and the second supporting construction 2.Top horizontal opens drawing anchor cable 5
It draws and fixes, and top horizontal is fixed on the first supporting construction 1 and the second supporting construction to the end for drawing anchor cable 5 using waist rail 50
At 2, to complete construction of the installation top horizontal to anchor cable 5 is drawn, the first supporting construction 1 and the second supporting construction are anchored with drawknot
2。
As shown in figure 14, after construction completes top horizontal to anchor cable 5 is drawn, concrete structure of constructing in ground elevation
Plate 6.
As shown in figure 15, after concrete structural slab 6 is completed in construction, two foundation pits are continued to excavate, by foundation pit A and base
B is cheated to design substrate absolute altitude, completes the construction of the excavation and anchor support system of foundation pit.
Horizontal having the beneficial effect that the construction method for drawing anchor cable of the invention
The horizontal construction method to drawing anchor cable installation level between two supporting construction of the invention does not have to when drawing anchor cable
Cubic metre of earth obstruct the view, it is horizontal to drawing the anchor cable can accurately to pass through from the gap of supporting construction, solve in the prior art by
There are the earthwork to obstruct the view between two supporting construction, uses the mode of drilling machine pore-forming for the punching that wears to anchor cable is drawn, bores
Machine pore-forming need to be drawn using electronics guide instrument, and the signal that electronics guide instrument is issued is difficult to penetrate intermediate concrete structural slab,
So that the receiving instrument more than ground concrete structure is difficult to receive signal, and then causes electronics guide instrument to fail, hold very much
The problem of easily just getting into supporting construction made of concrete and damaging supporting construction.It is of the invention horizontal to the construction party for drawing anchor cable
Method is simple and convenient, improves horizontal to the construction efficiency for drawing anchor cable installation.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (5)
1. a kind of horizontal to the construction method for drawing anchor cable, which comprises the steps of:
S1: the supporting construction for two adjacent foundation pits to be excavated of constructing is formed corresponding in two adjoining sides of foundation pit
First supporting construction and the second supporting construction；
S2: the soil body in two foundation pits and the soil between first supporting construction and second supporting construction are excavated
Body, until bottom preset height, to enable the gap in first supporting construction and second supporting construction expose；
S3: providing bottom level to anchor cable is drawn, and the bottom level is installed at the bottom preset height to anchor cable is drawn, with right
Draw the bottom for connecting first supporting construction and second supporting construction；And
The soil body, a supreme preset height are backfilled between S4: Yu Suoshu first supporting construction and second supporting construction；
S5: providing level to anchor cable is drawn, and level is installed at a upper preset height to anchor cable is drawn, to described first of drawing connection
Protection structure and second supporting construction；
S6: repeating step S4 and S5, until the soil body of backfill reaches ground elevation；
S7: concrete structural slab of constructing in the ground elevation.
2. as described in claim 1 horizontal to the construction method for drawing anchor cable, which is characterized in that further include: the ground Yu Suoshu mark
Top horizontal is installed between eminence, first supporting construction and second supporting construction to anchor cable is drawn, to pass through top
Level is to the top for drawing anchor cable to connect first supporting construction and second supporting construction to drawing.
3. as described in claim 1 horizontal to the construction method for drawing anchor cable, which is characterized in that step S3 includes:
The bottom level is placed in corresponding sky in first supporting construction and second supporting construction to drawing anchor cable
At gap, and the bottom level is stretched out to the one end for drawing anchor cable from corresponding first supporting construction, the other end
Portion is stretched out from corresponding second supporting construction；And
In the bottom level to the end for drawing anchor cable and along the surface of first supporting construction and second supporting construction
Construction waist rail, to anchor the bottom level to the end for drawing anchor cable by the waist rail.
4. as claimed in claim 2 horizontal to the construction method for drawing anchor cable, which is characterized in that the first supporting construction of Yu Suoshu and
Top horizontal is installed between second supporting construction to drawing anchor cable, comprising:
Top horizontal is provided to drawing anchor cable, by the top horizontal to drawing anchor cable to be placed in first supporting construction and described the
Corresponding gap in two supporting construction, and make the top horizontal to the one end of drawing anchor cable from corresponding described first
It is stretched out at protection structure, the other end is stretched out from corresponding second supporting construction；And
In the top horizontal to the end for drawing anchor cable and along the surface of first supporting construction and second supporting construction
Construction waist rail, to anchor the top horizontal to the end for drawing anchor cable by the waist rail.
5. as described in claim 1 horizontal to the construction method for drawing anchor cable, which is characterized in that further include: by two neighboring institute
Excavation of foundation pit is stated to design substrate absolute altitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710001323.6A CN106759378B (en) | 2017-01-03 | 2017-01-03 | Level is to the construction method for drawing anchor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710001323.6A CN106759378B (en) | 2017-01-03 | 2017-01-03 | Level is to the construction method for drawing anchor cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106759378A CN106759378A (en) | 2017-05-31 |
| CN106759378B true CN106759378B (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710001323.6A Active CN106759378B (en) | 2017-01-03 | 2017-01-03 | Level is to the construction method for drawing anchor cable |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636435A (en) * | 2020-05-20 | 2020-09-08 | 北京城建华夏基础建设工程有限公司 | Foundation pit counter-pulling anchor rod supporting system and construction method thereof |
| CN111851515B (en) * | 2020-06-13 | 2021-09-28 | 中交一公局集团有限公司 | Adjacent foundation pit cooperative construction enclosure structure and construction method thereof |
| CN112921985A (en) * | 2021-02-02 | 2021-06-08 | 河南省远基岩土工程有限公司 | Supporting body and supporting method for excavation of adjacent foundation pits |
| CN113818447B (en) * | 2021-10-18 | 2023-06-13 | 浙江理工大学 | Adjacent compact construction foundation pit combined supporting structure and construction method thereof |
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| CN103821071A (en) * | 2014-03-04 | 2014-05-28 | 西南交通大学 | Weak foundation soil high-fill embankment fabricated building method and device in peneplain regions |
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| JP2007051541A (en) * | 2005-07-19 | 2007-03-01 | Kanuka Design:Kk | Retaining wall and construction method therefor |
| CN103821071A (en) * | 2014-03-04 | 2014-05-28 | 西南交通大学 | Weak foundation soil high-fill embankment fabricated building method and device in peneplain regions |
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