CN203096745U - Multi-row pile foundation pit supporting structure - Google Patents
Multi-row pile foundation pit supporting structure Download PDFInfo
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- CN203096745U CN203096745U CN 201320029278 CN201320029278U CN203096745U CN 203096745 U CN203096745 U CN 203096745U CN 201320029278 CN201320029278 CN 201320029278 CN 201320029278 U CN201320029278 U CN 201320029278U CN 203096745 U CN203096745 U CN 203096745U
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Abstract
The utility model provides a multi-row pile foundation pit supporting structure. Outer-row soil blocking and water stopping pipes (1) of the supporting structure, middle-row soil blocking piles (3) and inner-row soil blocking piles(2)are constituted side by side in a multi-row mode and vertically arranged, a pile top ring beam (4) is arranged at the tops of the outer-row soil blocking and water stopping pipes (1), and all the outer-row soil blocking and water stopping pipes are connected into a whole by the pile top ring beam (4); first connecting beam plates (51) are arranged at the tops of the middle-row soil blocking piles (3) and the waist portions of corresponding outer-row soil blocking and water stopping pipes (1), and all the middle-row soil blocking piles (3) and the corresponding outer-row soil blocking and water stopping pipes (1) are connected into a whole by the first connecting beam plates (51); second connecting beam plates (52) are arranged at the tops of the inner-row soil blocking piles (2) and the waist portions of corresponding middle-row soil blocking pipes (3), and all the inner-row soil blocking piles (2) and the corresponding middle-row soil blocking pipes (3) are connected into a whole by the second connecting beam plates (52); and reinforced soil (6) among the piles are filled between every two rows of piles.
Description
Technical field
The utility model relates to the foundation pit supporting project in the civil construction project, particularly a kind of multiline pile foundation pit supporting construction and job practices thereof.
Background technology
In foundation pit supporting construction, have or not and support foundation pit supporting construction and two kinds of the foundation pit supporting constructions of support are arranged at present.Have and support the existence of foundation pit supporting construction because of supporting, the earthwork need repeatedly be had bad luck, and influences soil excavation; Supporting construction, maintenance and tearing support open all needs the time, influences construction speed.Do not have and support commonly used the having of pattern foundation pit supporting structure scheme: double-row pile foundation pit supporting construction, stake and anchor pole composite support structure etc.Double-row pile is with pile block collar beam two campsheds to be connected into an integral body, to form a gate-type structure; Stake and anchor pole composite support structure are meant: stake is vertically arranged, perform anchor pole between stake and stake, anchor pole will have free end and fixed end two parts to constitute usually, length requirement is longer, and boring and grouting process must be arranged,, need take others' underground space and be difficult to use because of complex process; The reinforcement of my invention retrains native composite support structure and job practices patent have been improved greatly and not to have had the stress and the scope of application that supports foundation pit supporting construction, but for still not being very desirable than soft layer.
Summary of the invention
Technical problem: the purpose of this utility model aims to provide a kind of multiline pile foundation pit supporting construction, this structure is a stepped multiline pile foundation pit supporting construction, or frame type foundation pit supporting construction, easy construction, the deficiencies in the prior art can have been overcome, support convenient the shoveling and the basement civil engineering in the cancellation.
Technical scheme: a kind of multiline pile foundation pit supporting construction of the present utility model comprises that outer gear soil water-seal pile, interior row's soil blocking pile, middle row's soil blocking pile, pile block collar beam, first connect beam slab and be connected beam slab with second; Wherein, outer gear soil water-seal pile, middle row's soil blocking pile and interior row's soil blocking pile adopt a plurality of being arranged side by side to form and vertical the setting respectively, and the top of gear soil water-seal pile is provided with pile block collar beam outside, and all outer gear soil water-seal piles are connected into an integral body; Being provided with first at the top of middle row's soil blocking pile with the waist of corresponding outer gear soil water-seal pile connects beam slab all middle row's soil blocking piles and the corresponding native water-seal pile of outer gear is connected into integral body; Be provided with second at the top of interior row's soil blocking pile with the waist of corresponding middle row's soil blocking pile and connect beam slab, row's soil blocking pile in all is connected into an integral body with corresponding middle row's soil blocking pile; Between two campsheds, be filled with compacted soil between stake.
The stake top mark height of gear soil water-seal pile, interior row's soil blocking pile, middle row's soil blocking pile is outer gear soil water-seal pile height outside, and interior row's soil blocking pile is low, and middle row's soil blocking pile is between the two, or the stake top mark of certain adjacent two campshed is high consistent.
Outside on the gear soil water-seal pile, also include reinforcement and reinforcement encloses purlin, reinforcement horizontally set or be less than 45 degree angles with horizontal direction, the one end stretches in the soil, and the other end encloses purlin by reinforcement and is fixed on the native water-seal pile of outer gear.
Reinforcement adopts corrugated sheet, steel pipe or shaped steel.
Beneficial effect: advantages such as multiline pile foundation pit supporting construction of the present utility model has supporting and protection structure than broad, and the rigidity of structure is big, and non-deformability is strong, and is applied widely.Compare with traditional supporting and protection structure, advantage of the present invention mainly contains:
1) after supporting and protection structure became the stepped or tower structure of multiline pile, its rigidity was big, and non-deformability is strong, and the supporting degree of depth is big, and suitable soil layer is wide;
2) do not have interior support, saved the time of supporting in the construction, and the time of supporting in removing, the duration saved; It is convenient to cut the earth simultaneously, reduces the shoveling expense, shortens the duration of cutting the earth;
3) for large-scale foundation ditch, the main building of can constructing earlier, back construction podium, the occupation of land of podium part can be used for the construction plant of main building construction, can form the streamline construction like this, helps the reduction of erection time, helps the job placement of each work post;
4) compare with the anchor pole composite support with stake, this method floor space is little, need not maintenance, saves the duration, water not during construction, and the place is clean;
5) make things convenient for the basement block construction, reduce construction costs.
Description of drawings
Fig. 1 is the stepped foundation pit supporting construction schematic diagram of multiline pile;
Fig. 2 is the stepped foundation pit supporting construction schematic diagram of multiline pile of band reinforcement;
Fig. 3 is a double-row pile frame type foundation pit supporting construction schematic diagram;
Fig. 4 is the double-row pile frame type foundation pit supporting construction schematic diagram of band reinforcement;
Have among the figure: compacted soil 6, reinforcement 7, reinforcement enclose purlin 8, soil blocking pile 11, water-seal pile 12 between outer gear soil water-seal pile 1, interior row's soil blocking pile 2, middle row's soil blocking pile 3, pile block collar beam 4, connection beam slab 5, stake.
The specific embodiment
Multiline pile foundation pit supporting construction of the present utility model can derive the stepped foundation pit supporting construction of multiline pile, the stepped foundation pit supporting construction of band reinforcement multiline pile, frame type foundation pit supporting construction and be with four kinds of situations of reinforcement frame type foundation pit supporting construction according to high different of what and each campshed stake top mark of row's number:
This supporting and protection structure comprises that outer gear soil water-seal pile 1, interior row's soil blocking pile 2, middle row's soil blocking pile 3, pile block collar beam 4, first connect beam slab 51 and be connected beam slab 52 with second; Wherein, outer gear soil water-seal pile 1, middle row's soil blocking pile 3 and interior row's soil blocking pile 2 adopt a plurality of being arranged side by side to form and vertical the setting respectively, and the top of gear soil water-seal pile 1 is provided with pile block collar beam 4 outside, and all outer gear soil water-seal piles are connected into an integral body; Being provided with first at the top of middle row's soil blocking pile 3 with the waist of corresponding outer gear soil water-seal pile 1 connects beam slab 51 all middle row's soil blocking piles 3 and the corresponding native water-seal pile 1 of outer gear is connected into integral body; Be provided with second at the top of interior row's soil blocking pile 2 with the waist of corresponding middle row's soil blocking pile 3 and connect beam slab 52, row's soil blocking pile 2 in all is connected into an integral body with corresponding middle row's soil blocking pile 3; Between two campsheds, be filled with compacted soil 6 between stake.
The stake top mark height of gear soil water-seal pile 1, interior row's soil blocking pile 2, middle row's soil blocking pile 3 is outer gear soil water-seal pile height outside, and interior row's soil blocking pile is low, and middle row's soil blocking pile is between the two, or the stake top mark of certain adjacent two campshed is high consistent.
On the gear soil water-seal pile 1, also include reinforcement 7 and reinforcement and enclose purlin 8 outside, reinforcement 7 horizontally sets or be less than 45 degree angles with horizontal direction, the one end stretches in the soil, and the other end encloses purlin 8 by reinforcement and is fixed on the native water-seal pile 1 of outer gear.
The stepped foundation pit supporting construction of embodiment 1 multiline pile
The stepped foundation pit supporting construction of multiline pile (as shown in Figure 1) specific implementation method is:
1) construction effluxes water-seal pile 11, soil blocking pile 12, middle row's soil blocking pile 3, interior row's soil blocking pile 2, repeats above making, until forming all water-seal piles, soil blocking pile;
2) compacted soil 6 between construction stake;
3) earth excavation is to the top of outer gear soil water-seal pile 1, construction stake top beam 4;
4) earth excavation is to the stake top mark height of middle row's soil blocking pile 3, the stake top of middle row's soil blocking pile and outside the waist of native water-seal pile 1 correspondence of gear be connected beam slab 5 with reinforced concrete construction;
5) continue the stake top mark height of earth excavation, be connected beam slab 5 with the formed steel construction construction on the stake top of interior row's soil blocking pile 2 and the waist of middle row's soil blocking pile 3 correspondences to interior row's soil blocking pile 2.
Water-seal pile 11 adopts the twin shaft agitation pile in the present embodiment, and all soil blocking piles adopt bored pile, and compacted soil 6 adopts the twin shaft agitation pile between stake, and pile block collar beam 4 adopts cast-in-situ steel reinforced concrete.
The stepped foundation pit supporting construction of multiline pile of embodiment 2 band reinforcements
In order further to improve the supporting degree of depth of foundation ditch, enlarge the application of this method in soft layer, can on the basis of the foregoing description 1, set up the stepped foundation pit supporting construction of multiline pile (as shown in Figure 2) that reinforcement 7 forms the band reinforcement, the job practices of its concrete job practices and embodiment 1 is basic identical, difference is in example 1 operation 3) and 4) insert two procedures afterwards, promptly
Insert 1) continue the predetermined absolute altitude of earth excavation to first floor reinforcement 7, at interval reinforcement 7 levels are implanted the soil body of outer gear soil water-seal pile 1 back according to design; Enclosing purlin 8 with reinforcement is connected an end of reinforcement 7 with outer gear soil water-seal pile 1;
Insert 2) repeat to insert 1) continue reinforcement 7 such as construction second row, the 3rd row and corresponding reinforcement encloses purlin 8, a top mark height of row's soil blocking pile 3 until reaching in, the connection beam slab 5 of constructing;
Reinforcement adopts the corrugated guardrail plate of 4300X310X85X4 in the present embodiment, and 12.9 meters of total lengths, reinforcement enclose purlin 8 and adopt steel work.
As only surplus two rows of row's number of soldier pile, and the stake top mark of two campsheds is high when identical, can form double-row pile frame type foundation pit supporting construction (as shown in Figure 3), and its concrete job practices is as follows:
1) construction effluxes water-seal pile 11, soil blocking pile 12, middle row's soil blocking pile 3, interior row's soil blocking pile 2.Water-seal pile 11 can adopt agitation pile, rotary churning pile, and soil blocking pile adopts bored pile, pile for prestressed pipe, H shaped steel, repeats above making, until forming all water-seal piles, soil blocking pile;
2) compacted soil 6 between construction stake;
3) earth excavation adds interim support to the top of outer gear soil water-seal pile 1 and interior row's soil blocking pile 2 at the top of this two campshed;
4) continue earth excavation to the absolute altitude that connects beam slab 5, construction connects beam slab, and this connection beam slab is positioned at the waist of outer gear soil water-seal pile and row's soil blocking pile, and two campsheds are connected into an integral body at the waist of stake;
6) soil body between limit backfill two campsheds (also can not backfill), limit are removed interim the support, at stake top application worker pile block collar beam, further strengthen the connection between the forward and backward campshed then;
Present embodiment China and foreign countries gear soil water-seal pile 1 adopts three agitation pile dilated diameter pile for prestressed pipe, and middle row's soil blocking pile 3 and interior row's soil blocking pile 2 adopt pre-stressed steel pipe, and compacted soil 6 adopts the compaction grouting method between stake.
The double-row pile frame type foundation pit supporting construction of embodiment 4 band reinforcements
In order further to improve the performance of foundation pit supporting construction, enlarge the application of this method in soft layer, can on the basis of embodiment 3, set up the double-row pile frame type foundation pit supporting construction (as shown in Figure 4) that reinforcement 7 forms the band reinforcement, the job practices of its concrete job practices and embodiment 3 is basic identical, difference is in above-mentioned operation 3) change operation afterwards, that is:
1) construction effluxes water-seal pile 11, soil blocking pile 12, middle row's soil blocking pile 3, interior row's soil blocking pile 2,, repeat above making, until forming all water-seal piles, soil blocking pile;
2) compacted soil 6 between construction stake;
3) earth excavation adds interim support to the top of outer gear soil water-seal pile 1 and interior row's soil blocking pile 2 at the top of this two campshed;
4) continue earth excavation to the predetermined absolute altitude of the first floor of reinforcement 7, reinforcement 7 is implanted the soil body of outer gear soil water-seal pile 1 back; The construction reinforcement encloses purlin 8 the native water-seal pile 1 of end of reinforcement 7 and outer gear is connected;
5) repeat 4) continue reinforcement 7 such as construction second row, the 3rd row and corresponding reinforcement encloses purlin 8, until reaching the absolute altitude that connects beam slab, construction connection beam slab connects into an integral body with the native water-seal pile of outer gear and interior row's soil blocking pile;
6) soil body between the inside and outside gear soil of the limit backfill water-seal pile (also can not backfill), the interim support removed on the limit, then at stake top application worker pile block collar beam 4, further strengthens the connection between the inside and outside gear soil water-seal pile.
The spacing of reinforcement 7 is 1.2 meters in the present embodiment, and reinforcement adopts shaped steel, is specially H shaped steel No. 10, and length is 15 meters, is 10 degree angles with horizontal direction, and reinforcement encloses purlin 8 and uses steel concrete.
Claims (4)
1. a multiline pile foundation pit supporting construction is characterized in that this supporting and protection structure comprises that outer gear soil water-seal pile (1), interior row's soil blocking pile (2), middle row's soil blocking pile (3), pile block collar beam (4), first connect beam slab (51) and be connected beam slab (52) with second; Wherein, outer gear soil water-seal pile (1), middle row's soil blocking pile (3) and interior row's soil blocking pile (2) adopt a plurality of being arranged side by side to form and vertical the setting respectively, the top of gear soil water-seal pile (1) is provided with pile block collar beam (4) outside, and all outer gear soil water-seal piles are connected into an integral body; Being provided with first at the top of middle row's soil blocking pile (3) with the waist of corresponding outer gear soil water-seal pile (1) connects beam slab (51) all middle row's soil blocking piles (3) and the corresponding native water-seal pile of outer gear (1) is connected into integral body; Be provided with second at the top of interior row's soil blocking pile (2) with the waist of corresponding middle row's soil blocking pile (3) and connect beam slab (52), row's soil blocking piles (2) in all are connected into an integral body with corresponding middle row's soil blocking pile (3); Between two campsheds, be filled with compacted soil between stake (6).
2. multiline pile foundation pit supporting construction as claimed in claim 1, it is characterized in that the stake top mark height of gear soil water-seal pile (1), interior row's soil blocking pile (2), middle row's soil blocking pile (3) is outer gear soil water-seal pile height outside, interior row's soil blocking pile is low, middle row's soil blocking pile is between the two, or the stake top mark of certain adjacent two campshed is high consistent.
3. multiline pile foundation pit supporting construction as claimed in claim 1 or 2, it is characterized in that outside on the gear soil water-seal pile (1), also include reinforcement (7) and reinforcement and enclose purlin (8), reinforcement (7) horizontally set or with horizontal direction be less than 45 the degree angles, the one end stretches in the soil, and the other end encloses purlin (8) by reinforcement and is fixed on the outer gear soil water-seal pile (1).
4. multiline pile foundation pit supporting construction as claimed in claim 3 is characterized in that reinforcement (7) adopts corrugated sheet, steel pipe or shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320029278 CN203096745U (en) | 2013-01-18 | 2013-01-18 | Multi-row pile foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320029278 CN203096745U (en) | 2013-01-18 | 2013-01-18 | Multi-row pile foundation pit supporting structure |
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| CN203096745U true CN203096745U (en) | 2013-07-31 |
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| CN 201320029278 Expired - Lifetime CN203096745U (en) | 2013-01-18 | 2013-01-18 | Multi-row pile foundation pit supporting structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074898A (en) * | 2013-01-18 | 2013-05-01 | 江苏鸿基科技有限公司 | Multi-row pile foundation pit support structure and construction method thereof |
| CN106759105A (en) * | 2017-02-27 | 2017-05-31 | 中交第三航务工程勘察设计院有限公司 | A kind of preceding water draining high-rise pile cap bank protection structure |
| CN107165174A (en) * | 2017-05-23 | 2017-09-15 | 深圳宏业基岩土科技股份有限公司 | Chair form door frame supporting construction |
| CN107503355A (en) * | 2017-07-20 | 2017-12-22 | 广东省建筑工程集团有限公司 | Shaped steel formula double-row pile foundation pit supporting system and its construction method are inserted after outer row |
| CN108487271A (en) * | 2018-06-22 | 2018-09-04 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of ecological anchor draws the construction method of frame support system |
-
2013
- 2013-01-18 CN CN 201320029278 patent/CN203096745U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074898A (en) * | 2013-01-18 | 2013-05-01 | 江苏鸿基科技有限公司 | Multi-row pile foundation pit support structure and construction method thereof |
| CN103074898B (en) * | 2013-01-18 | 2015-09-23 | 江苏鸿基科技有限公司 | Multi-row pile foundation pit support structure and construction method thereof |
| CN106759105A (en) * | 2017-02-27 | 2017-05-31 | 中交第三航务工程勘察设计院有限公司 | A kind of preceding water draining high-rise pile cap bank protection structure |
| CN107165174A (en) * | 2017-05-23 | 2017-09-15 | 深圳宏业基岩土科技股份有限公司 | Chair form door frame supporting construction |
| CN107165174B (en) * | 2017-05-23 | 2020-10-16 | 深圳宏业基岩土科技股份有限公司 | Chair type portal support structure |
| CN107503355A (en) * | 2017-07-20 | 2017-12-22 | 广东省建筑工程集团有限公司 | Shaped steel formula double-row pile foundation pit supporting system and its construction method are inserted after outer row |
| CN107503355B (en) * | 2017-07-20 | 2023-10-13 | 广东省建筑工程集团有限公司 | Externally-arranged rear-inserted steel type double-row pile foundation pit supporting system and construction method thereof |
| CN108487271A (en) * | 2018-06-22 | 2018-09-04 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of ecological anchor draws the construction method of frame support system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 210000 A, building 9, block 11, Spark Road, Jiangsu, Nanjing, China Patentee after: JIANGSU HONGJI ENERGY SAVING NEW TECHNOLOGY Co.,Ltd. Address before: Danfeng Xinyu Nanjing 210008 Jiangsu six five floor Patentee before: JIANGSU HONGJI TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
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| CX01 | Expiry of patent term |