CN105200996A - Cast-in-place pile on strong leakage layer and construction method thereof - Google Patents
Cast-in-place pile on strong leakage layer and construction method thereof Download PDFInfo
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- CN105200996A CN105200996A CN201510610183.3A CN201510610183A CN105200996A CN 105200996 A CN105200996 A CN 105200996A CN 201510610183 A CN201510610183 A CN 201510610183A CN 105200996 A CN105200996 A CN 105200996A
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- anchor cable
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- bored pile
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- waist rail
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Abstract
The invention provides a cast-in-place pile on a strong leakage layer, which comprises a cast-in-place pile main body and an anchored cable end head support reaction transfer device, wherein a top beam is arranged on the top portion of the cast-in-place pile main body, a waist beam capable of constructing an anchored cable and a waist beam capable of not constructing the anchored cable are arranged on the side portion of the cast-in-place pile main body, and the anchored cable end head support reaction transfer device is respectively connected with the waist beam capable of constructing an anchored cable and the waist beam capable of not constructing the anchored cable. The invention further provides a method for constructing the cast-in-place pile on the strong leakage layer. The cast-in-place pile on the strong leakage layer has the beneficial effects that the cast-in-place pile on the strong leakage layer improves safety of pit supporting.
Description
Technical field
The present invention relates to bored pile, particularly relate to a kind of bored pile and construction method thereof of highly permeable layer place.
Background technology
Adopt traditional castinplace pile+cable bolting, the safety of pattern foundation pit supporting structure can better be ensured, stability, but in Building Construction, vertical needs adopt and arrange anchor cable more, but contain the stronger situation of the water permeabilitys such as more cobble, sandstone because the poor water permeability of geology is comparatively strong or survey pervious layer in not quite clear soil layer with running into, and occur water leakage situation to prevent free segment, cannot next row (or arranging) anchor cable construction be carried out more, cause the safety of pattern foundation pit supporting structure to reduce.
Summary of the invention
In order to solve the problems of the prior art, the invention provides bored pile and the construction method thereof at the higher highly permeable layer place of a kind of safety.
The invention provides a kind of bored pile of highly permeable layer place, comprise bored pile main body and anchor cable termination support reaction transfer device, the top of described bored pile main body is provided with Guan Liang, the sidepiece of described bored pile main body is provided with the waist rail that can carry out anchor cable construction and the waist rail that can not carry out anchor cable construction, and described anchor cable termination support reaction transfer device carries out the waist rail of anchor cable construction with described respectively, the described waist rail that can not carry out anchor cable construction is connected.
As a further improvement on the present invention, the described waist rail carrying out anchor cable construction is connected with anchor cable, and the described waist rail that can not carry out anchor cable construction does not connect anchor cable.
As a further improvement on the present invention, the described waist rail carrying out anchor cable construction have at least two and from top to bottom interval evenly arrange.
As a further improvement on the present invention, described anchor cable termination support reaction transfer device is Steel section member.
As a further improvement on the present invention, described anchor cable termination support reaction transfer device parallels with described bored pile main body.
As a further improvement on the present invention, described bored pile main body is provided with coaxial agitation pile arranged with it, and the diameter of described agitation pile is less than the diameter of described bored pile main body.
As a further improvement on the present invention, described bored pile main body is provided with coaxial rotary churning pile arranged with it, and the diameter of described rotary churning pile is less than the diameter of described bored pile main body.
Present invention also offers a kind of construction method of bored pile of highly permeable layer place, comprise the following steps: S1, carry out soldier pile construction; S2, carry out Guan Liang, can carry out the waist rail of anchor cable construction construction; S3, anchor cable construction is carried out to the waist rail that can carry out anchor cable construction, and carry out anchorage cable stretching; S4, carry out carrying out the waist rail construction of anchor cable construction; S5, carry out anchor cable termination support reaction transfer device and install, anchor cable termination support reaction transfer device is carried out the waist rail of anchor cable construction with described respectively, the described waist rail that can not carry out anchor cable construction is connected.
As a further improvement on the present invention, also step S6 is comprised: carry out soil excavation.
As a further improvement on the present invention, in step S2, construction completes the waist rail that at least two can be carried out anchor cable construction.
The invention has the beneficial effects as follows: pass through such scheme, survey on ground not quite clear (in soil layer, cobble, sandstone etc. are abundanter) or soil layer water permeability itself poor time, anchor cable termination support reaction transfer device is adopted to improve, the safety of support system can be ensured while avoiding highly permeable layer, improve the safety of pattern foundation pit supporting structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bored pile at a kind of highly permeable layer of the present invention place.
Fig. 2 is the partial enlarged drawing A of Fig. 1.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and detailed description of the invention the present invention is further described.
Drawing reference numeral in Fig. 1 to Fig. 2 is: hat beam 1; Agitation pile 2; Bored pile main body 3; The waist rail 4 of anchor cable construction can be carried out; Anchor cable 5; The waist rail 6 of anchor cable construction can not be carried out; Anchor cable termination support reaction transfer device 7.
As shown in Figure 1 to Figure 2, a kind of bored pile of highly permeable layer place, comprise bored pile main body 3 and anchor cable termination support reaction transfer device 7, the top of described bored pile main body 3 is provided with hat beam 1, the sidepiece of described bored pile main body 3 is provided with the waist rail 4 that can carry out anchor cable construction and the waist rail 6 that can not carry out anchor cable construction, and described anchor cable termination support reaction transfer device 7 carries out the waist rail 4 of anchor cable construction with described respectively, the described waist rail 6 that can not carry out anchor cable construction is connected.
As shown in Figure 1 to Figure 2, the described waist rail 4 carrying out anchor cable construction is connected with anchor cable 5, and the described waist rail 6 that can not carry out anchor cable construction does not connect anchor cable 5.
As shown in Figure 1 to Figure 2, the described waist rail 4 carrying out anchor cable construction has two at least and interval is evenly arranged from top to bottom, the present invention preferably arrange can carry out anchor cable construction described in two waist rail 4 above the described waist rail 6 that can not carry out anchor cable construction, described anchor cable termination support reaction transfer device 7 is connected with the waist rail 6 that can not carry out anchor cable construction described in the waist rail 4, that can carry out anchor cable construction described in two respectively.
As shown in Figure 1 to Figure 2, described anchor cable termination support reaction transfer device 7 is preferably Steel section member, such as i iron or channel-section steel.
As shown in Figure 1 to Figure 2, described anchor cable termination support reaction transfer device 7 parallels with described bored pile main body 3.
As shown in Figure 1 to Figure 2, described bored pile main body 3 is provided with coaxial agitation pile 2 of arranging or rotary churning pile with it, and the diameter of described agitation pile 2 or rotary churning pile is less than the diameter of described bored pile main body 3.
As shown in Figure 1 to Figure 2, a kind of construction method of bored pile of highly permeable layer place, comprises the following steps: S1, carry out soldier pile construction, forms bored pile main body 3; S2, carry out being preced with beam 1, the waist rail 4 that can carry out anchor cable construction constructs, construction completes the waist rail 4 that two can be carried out anchor cable construction; S3, the waist rail 4 that can carry out anchor cable construction to two carry out anchor cable 5 and construct, and carry out anchor cable 5 stretch-draw, form first anchor cable, second anchor cable, increase the length of anchor cable 5; S4, the waist rail 6 carrying out carrying out anchor cable construction are constructed; S5, carry out anchor cable termination support reaction transfer device 7 and install, anchor cable termination support reaction transfer device 7 is carried out the waist rail 4 of anchor cable construction with described respectively, the described waist rail 6 that can not carry out anchor cable construction is connected; After S6, intensity stabilization to be welded, carry out soil excavation.
As shown in Figure 1 to Figure 2, due to ground survey not quite clear (in soil layer, cobble, sandstone etc. are abundanter) or soil layer water permeability itself poor time, leak for preventing free section of anchor cable, adopt anchor cable termination support reaction transfer device 7 to improve, the safety of support system while avoiding highly permeable layer, can be ensured.Anchor cable termination support reaction transfer device 7 adopts the Steel section members such as i iron (channel-section steel), and main selection material depends on anchor cable stressing conditions.Operating principle increases first anchor cable, second anchor cable length (stressed) or increases first, second anchor cable length (stressed) by anchor cable termination support reaction transfer device 7(shaped steel simultaneously) carry out the transfer of power, make supporting and protection structure reach the former safe condition designed a model, improve the safety of pattern foundation pit supporting structure.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the bored pile at a highly permeable layer place, it is characterized in that: comprise bored pile main body and anchor cable termination support reaction transfer device, the top of described bored pile main body is provided with Guan Liang, the sidepiece of described bored pile main body is provided with the waist rail that can carry out anchor cable construction and the waist rail that can not carry out anchor cable construction, and described anchor cable termination support reaction transfer device carries out the waist rail of anchor cable construction with described respectively, the described waist rail that can not carry out anchor cable construction is connected.
2. the bored pile at highly permeable layer place according to claim 1, is characterized in that: the described waist rail carrying out anchor cable construction is connected with anchor cable, and the described waist rail that can not carry out anchor cable construction does not connect anchor cable.
3. the bored pile at highly permeable layer place according to claim 1, is characterized in that: the described waist rail carrying out anchor cable construction has two at least and interval is evenly arranged from top to bottom.
4. the bored pile at highly permeable layer place according to claim 1, is characterized in that: described anchor cable termination support reaction transfer device is Steel section member.
5. the bored pile at highly permeable layer place according to claim 1, is characterized in that: described anchor cable termination support reaction transfer device parallels with described bored pile main body.
6. the bored pile at highly permeable layer place according to claim 1, is characterized in that: described bored pile main body is provided with coaxial agitation pile arranged with it, and the diameter of described agitation pile is less than the diameter of described bored pile main body.
7. the bored pile at highly permeable layer place according to claim 1, is characterized in that: described bored pile main body is provided with coaxial rotary churning pile arranged with it, and the diameter of described rotary churning pile is less than the diameter of described bored pile main body.
8. a construction method for the bored pile at highly permeable layer place, is characterized in that, comprises the following steps:
S1, carry out soldier pile construction;
S2, carry out Guan Liang, can carry out the waist rail of anchor cable construction construction;
S3, anchor cable construction is carried out to the waist rail that can carry out anchor cable construction, and carry out anchorage cable stretching;
S4, carry out carrying out the waist rail construction of anchor cable construction;
S5, carry out anchor cable termination support reaction transfer device and install, anchor cable termination support reaction transfer device is carried out the waist rail of anchor cable construction with described respectively, the described waist rail that can not carry out anchor cable construction is connected.
9. the construction method of the bored pile at highly permeable layer place according to claim 8, is characterized in that, also comprise step S6: carry out soil excavation.
10. the construction method of the bored pile at highly permeable layer place according to claim 8, is characterized in that: in step S2, and construction completes the waist rail that at least two can be carried out anchor cable construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510610183.3A CN105200996A (en) | 2015-09-23 | 2015-09-23 | Cast-in-place pile on strong leakage layer and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510610183.3A CN105200996A (en) | 2015-09-23 | 2015-09-23 | Cast-in-place pile on strong leakage layer and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105200996A true CN105200996A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510610183.3A Pending CN105200996A (en) | 2015-09-23 | 2015-09-23 | Cast-in-place pile on strong leakage layer and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970970A (en) * | 2016-05-25 | 2016-09-28 | 中国能源建设集团安徽电力建设第工程有限公司 | Pre-stressed anchor cable supporting construction method for near-railway deep foundation pit |
| CN111794245A (en) * | 2020-07-13 | 2020-10-20 | 北京中岩大地科技股份有限公司 | Deep foundation pit supporting structure utilizing existing underground structure and construction method |
-
2015
- 2015-09-23 CN CN201510610183.3A patent/CN105200996A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970970A (en) * | 2016-05-25 | 2016-09-28 | 中国能源建设集团安徽电力建设第工程有限公司 | Pre-stressed anchor cable supporting construction method for near-railway deep foundation pit |
| CN111794245A (en) * | 2020-07-13 | 2020-10-20 | 北京中岩大地科技股份有限公司 | Deep foundation pit supporting structure utilizing existing underground structure and construction method |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |