CN108118702A - For the recoverable flexible compound supporting construction and method of construction of coral reef foundation pit - Google Patents

For the recoverable flexible compound supporting construction and method of construction of coral reef foundation pit Download PDF

Info

Publication number
CN108118702A
CN108118702A CN201810098313.3A CN201810098313A CN108118702A CN 108118702 A CN108118702 A CN 108118702A CN 201810098313 A CN201810098313 A CN 201810098313A CN 108118702 A CN108118702 A CN 108118702A
Authority
CN
China
Prior art keywords
foundation pit
steel
pile
supporting
connection tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810098313.3A
Other languages
Chinese (zh)
Inventor
王孝健
谢锦波
张曦
张海
吴心怡
吴锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC Shanghai Third Harbor Engineering Science and Technology Research Institute Co Ltd
Original Assignee
CCCC Shanghai Third Harbor Engineering Science and Technology Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCCC Shanghai Third Harbor Engineering Science and Technology Research Institute Co Ltd filed Critical CCCC Shanghai Third Harbor Engineering Science and Technology Research Institute Co Ltd
Priority to CN201810098313.3A priority Critical patent/CN108118702A/en
Publication of CN108118702A publication Critical patent/CN108118702A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/12Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/18Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material

Abstract

The present invention relates to a kind of recoverable flexible compound supporting construction and method of construction for coral reef foundation pit, and steel-pipe pile is set in foundation pit periphery, for solving the Water And Earth Pressures imbalance problem of foundation pit near water;Internal baffle and outer baffle are respectively equipped with inside and outside the supporting pile and fascine of foundation pit periphery, Internal baffle and outer baffle can disperse Water And Earth Pressures, so that supporting pile and fascine stress is more uniform, high polymer impervious body is perfused between Internal baffle and outer baffle, high polymer impervious body can fill the gap in the soil body between Internal baffle and outer baffle, so as to which seawater be prevented to penetrate into the foundation pit for digging and making;In this way, it would not penetrate into many seawater in foundation pit and influence normal construction operation.After the construction operation of foundation pit is completed, it will can remove to recycle for the supporting rack of supporting, Internal baffle, outer baffle and support pile.

Description

For the recoverable flexible compound supporting construction and method of construction of coral reef foundation pit
Technical field
The present invention relates to a kind of recoverable flexible compound supporting construction and method of construction for coral reef foundation pit.
Background technology
Reef-building coral, coralline algae main component are calcareous sand (soil) in off-lying sea marine site.Calcareous sand typically refers to marine organisms The Special Rock medium rich in calcium carbonate or other indissoluble carbonate substances of (coral, seaweed, shell etc.) origin cause of formation.Its master It is for a long time in the calcium carbonate soln of saturation, through physics, biochemistry and chemical action process for calcium carbonate to want mineralogical composition (including broken and bonding process and certain pressure, the change procedure of temperature and solubility of organic matter chip), and A kind of and terrestrial sediment formed has the carbonate sediment of very big difference.Since its deposition process is removed mostly without long-distance Fortune, remains the reasons such as tiny hole in protist skeleton, and the soil particle concrete dynamic modulus (containing inner pore) of formation, shape are not Regular, broken, particle is easily cementing etc. so that its engineering mechanics property has more apparent compared with general terrestrial facies, marine sediments Difference.Off-lying sea islands and reefs have high temperature, high humidity, with high salt, high radiation, high intensity, and water shortage lacks material, and bad environments, resource are deficient The characteristics of weary, away from continent.It is special that coral reef engineering construction is related to the engineering geology of reefs, hydrodynamic environment, reefs sand body The contents such as sign, the stability of the mechanical characteristic of sandy soils, reefs for the large-scale islands and reefs engineering as airfield runway etc., are gone back Demonstration is needed to fill the stability of man-made island and building lot and needs the construction material solved needed for large-scale construction project short The problem of lacking.
When off-lying sea islands and reefs carry out civil construction, since coral reef sand is loosely organized, seawater is particularly easy to penetrate into and be dug In the foundation pit made, this can cause construction to can not be successfully progress;On the other hand, due to extremely difficult to off-lying sea transport construction material, In addition the hot and humid high radiation of off-lying sea islands and reefs, construction environment is extremely severe, so transport and construction cost are very high, material of constructing Material is preferably able to recycle.
The content of the invention
In view of the foregoing deficiencies of prior art, it is an object of the invention to provide it is a kind of for coral reef foundation pit can Recovery type flexible compound supporting construction and method of construction can be convenient for carrying out civil construction in off-lying sea islands and reefs, save construction cost.
To achieve the above object, the present invention provides a kind of recoverable flexible compound supporting knot for coral reef foundation pit Structure adopts the following technical scheme that:A kind of recoverable flexible compound supporting construction for coral reef foundation pit is set along foundation pit periphery It is equipped with the supporting pile and fascine being made of support pile, the outside of supporting pile and fascine is equipped with outer baffle, and the outside of outer baffle is the soil body, support pile The inside of hedge is equipped with Internal baffle, and the inside of Internal baffle is foundation pit, is equipped with supporting rack in foundation pit, Internal baffle is against supporting by supporting rack On the madial wall of pile and fascine, high polymer impervious body is perfused between the Internal baffle and outer baffle.
Preferably, the foundation pit is surrounded by a circle supporting pile and fascine, and support frame as described above includes surrounding one along on the inside of Internal baffle The support beam of circle, support beam are against on Internal baffle.
Preferably, the interior gusset of the supporting pile and fascine is equipped with a circle Internal baffle, and adjacent two Internal baffles are close to.
Preferably, the support pile is steel-pipe pile.
It is highly preferred that the both sides of the steel-pipe pile are equipped with the connection tube chamber extended along steel-pipe pile length direction, tube chamber is connected One side be equipped with along steel-pipe pile length direction extend long gap;Two adjacent steel-pipe piles have two adjacent connecting tubes Chamber, the I-steel connection that adjacent two connection tube chambers are extended by one along lumen length direction is connected, the web of I-steel It is inserted in the long gap of two adjacent connection tube chambers, two wing plates of I-steel are located at two adjacent connection tube chambers respectively In.
Further, the both sides of the steel-pipe pile are respectively provided with a channel steel extended along steel-pipe pile length direction, the slot The notch of steel is blocked by the side wall of steel-pipe pile and forms the connection tube chamber, and the long gap is opened in the bottom of channel steel.
Further, it is perfused with mortar in the connection tube chamber.
With a kind of recoverable flexible compound supporting construction for coral reef foundation pit of the invention correspondingly, the present invention is gone back A kind of method of construction of the recoverable flexible compound supporting construction for coral reef foundation pit is provided, is adopted the following technical scheme that: A kind of method of construction of recoverable flexible compound supporting construction for coral reef foundation pit, for build above-mentioned technical proposal or The recoverable flexible compound supporting construction for coral reef foundation pit described in its any preferred technical solution, including making as follows Industry step:
1) foundation pit position is selected, and gets out operation side;
2) squeeze into support pile in the periphery of foundation pit and form supporting pile and fascine;
3) start to dig and make foundation pit, and insert lower Internal baffle and outer baffle in the inner side and outer side of supporting pile and fascine respectively;
4) support sets supporting rack between Internal baffle;
5) carry out high polymer grouting between Internal baffle and outer baffle and form high polymer impervious body;
6) supporting rack, Internal baffle, outer baffle and support pile are removed.
Preferably, the support pile is steel-pipe pile, and the both sides of steel-pipe pile are equipped with the connection extended along steel-pipe pile length direction Tube chamber, the one side for connecting tube chamber are equipped with the long gap extended along steel-pipe pile length direction;Two adjacent steel-pipe piles have adjacent Two connection tube chambers, adjacent two connection tube chambers are connected by one along the I-steel that lumen length direction extends is connected, The web of I-steel is inserted in the long gap of two adjacent connection tube chambers, and two wing plates of I-steel are located at adjacent two respectively In a connection tube chamber;In the step 5), the step of further including to connection tube chamber perfusion mortar.
As described above, a kind of recoverable flexible compound supporting construction for coral reef foundation pit of the present invention and building Method is made, is had the advantages that:Due to being respectively equipped with Internal baffle and outer inside and outside the supporting pile and fascine of foundation pit periphery Baffle, Internal baffle and outer baffle can disperse Water And Earth Pressures so that supporting pile and fascine stress is more uniform, Internal baffle and outer baffle it Between be perfused with high polymer impervious body, high polymer impervious body can fill the gap in the soil body between Internal baffle and outer baffle, from And seawater is prevented to penetrate into the foundation pit for digging and making;In this way, it would not penetrate into many seawater in foundation pit and influence normally to construct Operation.After the construction operation of foundation pit is completed, it can will be torn open for the supporting rack of supporting, Internal baffle, outer baffle and support pile Except to recycle.It can be seen that a kind of recoverable flexible compound supporting construction for coral reef foundation pit of the present invention And method of construction can be convenient for carrying out civil construction in off-lying sea islands and reefs, save construction cost.
Description of the drawings
Fig. 1 is shown as a kind of signal of recoverable flexible compound supporting construction for coral reef foundation pit of the present invention Figure is overlooked from foundation pit top down;
Fig. 2 is shown as the attachment structure schematic diagram between two adjacent support piles, overlooks from top to bottom;
Fig. 3 is shown as the attachment structure schematic diagram between two adjacent connection tube chambers, overlooks from top to bottom;
Fig. 4 is shown as the lateral wall of support pile and the attachment structure schematic diagram of channel steel, overlooks from top to bottom;
Component label instructions
1 foundation pit 9 connects tube chamber
2 supporting pile and fascine, 10 long gap
3 support pile, 11 I-steel
4 Internal baffle, 12 web
5 outer baffle, 13 wing plate
6 supporting rack, 14 channel steel
The notch of 7 support beam, 15 channel steel
The bottom of 8 supporting beam, 16 channel steel
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only specification to be coordinated to be taken off The content shown so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the present invention, therefore Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention Under the effect of can be generated and the purpose that can reach, it should all still fall and obtain the model that can cover in disclosed technology contents In enclosing.Meanwhile cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also it is only Convenient for the clear of narration rather than to limit the enforceable scope of the present invention, relativeness is altered or modified, in no essence It changes under technology contents, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, the present invention provides a kind of recoverable flexible compound supporting construction for coral reef foundation pit, use Following technical solution:A kind of recoverable flexible compound supporting construction for coral reef foundation pit, along 1 periphery of foundation pit be provided with by The supporting pile and fascine 2 that support pile 3 forms, the outside of supporting pile and fascine 2 are equipped with outer baffle 5, and the outside of outer baffle 5 is the soil body, support pile The inside of hedge 2 is equipped with Internal baffle 4, and the inside of Internal baffle 4 is foundation pit 1, is equipped with supporting rack 6 in foundation pit 1, and supporting rack 6 is by Internal baffle 4 It is against on the madial wall of supporting pile and fascine 2, high polymer impervious body is perfused between the Internal baffle 4 and outer baffle 5.Due in foundation pit Internal baffle 4 and outer baffle 5 are respectively equipped with inside and outside the supporting pile and fascine 2 of 1 periphery, Internal baffle 4 and outer baffle 5 being capable of disperse waters Soil pressure so that 2 stress of supporting pile and fascine is more uniform, and high polymer impervious body, Gao Ju are perfused between Internal baffle 4 and outer baffle 5 It is flexible composite material after the solidification of object impervious body, the gap in the soil body between Internal baffle 4 and outer baffle 5 can be filled, So as to which seawater be prevented to penetrate into the foundation pit 1 for digging and making;In this way, it would not penetrate into many seawater in foundation pit 1 and influence normal Construction operation.It, can will be for the supporting rack 6 of supporting, Internal baffle 4,5 and of outer baffle after the construction operation of foundation pit 1 is completed Support pile 3 is removed to recycle.A kind of recoverable flexible compound supporting construction for coral reef foundation pit of the present invention Severe in view of coral reef area construction environment, construction cost and material cost are in short supply, using recyclable structural system, a side Face can play the role of building enclosure, on the other hand can also recycling, it is more environmentally friendly, meet contemporary engineering green reason It reads.It can be seen that the present invention's is a kind of for the recoverable flexible compound supporting construction of coral reef foundation pit and method of construction energy It is enough to be convenient for carrying out civil construction in off-lying sea islands and reefs, save construction cost.
In a kind of recoverable flexible compound supporting construction for coral reef foundation pit of the present invention, the Internal baffle 4 High polymer impervious body is marked between outer baffle 5, using being injected in the soil body of the grouting equipment between Internal baffle 4 and outer baffle 5 High polymer slurries form flexible high polymer impervious body.High polymer refer to passed through by many identical, simple structural units it is covalent Key repeats the high-molecular weight compounds being formed by connecting, and usually there is raw material used by high polymer grouting:1st, elastomer-modified drip Blue or green coiled material, such as SBS modified bituminous pitch coiled materials;2nd, atactic polypropylene (APP) modified bituminous coiled material mainly has APP modified bituminous pitch coiled materials, APAO, APO Wait resin modified asphalts coiled material.
When foundation pit 1 is constructed, after the soil body in foundation pit 1 is excavated, the soil body in 1 outside of foundation pit can be towards the inside of foundation pit 1 Support pile 3 is squeezed, support pile 3 deforms under the squeezing action of the 1 outside soil body of foundation pit in order to prevent, needs to set branch in foundation pit 1 Support 6, as shown in Figure 1, the foundation pit 1 is surrounded by a circle supporting pile and fascine 2, support frame as described above 6 includes the gusset along Internal baffle 4 Into the support beam 7 of a circle, support beam 7 is against on Internal baffle 4, supporting beam 8 is provided between support beam 7, supporting beam 8 is welded Be connected in support beam 7, supporting beam 8 include being arranged between two opposite support beams 7 to supportting and being arranged on two Angle brace between orthogonal support beam 7, to supportting general selection 609 steel pipes of φ;Angle brace generally uses I-steel.It is preferred that Ground, as shown in Figure 1, the interior gusset of the supporting pile and fascine 2 is equipped with a circle Internal baffle 4, adjacent two Internal baffles 4 are close to;In this way, There is no gap between two adjacent Internal baffles 4, the sand and shipwreck in the soil body in 1 outside of foundation pit are to enter in foundation pit 1.
The present invention a kind of recoverable flexible compound supporting construction for coral reef foundation pit in, supporting pile and fascine 2 by Support pile 3 forms, as a preferred embodiment, the support pile 3 is steel-pipe pile, as shown in Figures 2 to 4, the steel The both sides of pile pile are equipped with the connection tube chamber 9 extended along steel-pipe pile length direction, and the one side of connection tube chamber 9 is equipped with along steel pipe pile length The long gap 10 of direction extension;Two adjacent steel-pipe piles have two adjacent connection tube chambers 9, adjacent two connection tube chambers 9 are connected by one along the I-steel 11 for connecting the extension of 9 length direction of tube chamber, and the web 12 of I-steel 11 is inserted in adjacent two In the long gap 10 for connecting tube chamber 9, two wing plates 13 of I-steel 11 are located at respectively in two adjacent connection tube chambers 9.In this way, It is linked together by I-steel 11 between two adjacent support piles 3, is mutually supported between each support pile 3, moreover, each supporting Gap between stake 3 is connected tube chamber 9 and I-steel 11 is filled up, and the water and sand in 2 outside of supporting pile and fascine are difficult to cross I-shaped Steel 11 and connection tube chamber 9 enter foundation pit 1, in order to enable the position between two adjacent support piles 3 can be better protected from water Foundation pit 1 is penetrated into, as a preferred embodiment, the connection tube chamber 9 on two adjacent support piles 3 is connected by I-steel 11 After connecing, between adjacent two support piles 3 and connection 9 perfusion mortar of tube chamber, mortar are starched using high fluidity weak sand, mortar Ingredient includes cement, flyash, water and waterglass, and weight proportion is:
Cement:Flyash:Water:Waterglass=56:508:338:560
Preferably, as shown in figure 4, the both sides of the steel-pipe pile are respectively provided with a channel steel extended along steel-pipe pile length direction 14, the notch 15 of the channel steel is blocked by the side wall of steel-pipe pile and forms the connection tube chamber 9, and the long gap 10 is opened in slot The bottom 16 of steel.In order to strengthen the intensity at long gap 10, it can be welded in the both sides of long gap 10 and strengthen steel plate, strengthen steel plate Vertically extend, steel plate, thickness of slab 1cm are strengthened in long 10 both sides of gap together every one meter of welding.
With a kind of recoverable flexible compound supporting construction for coral reef foundation pit of the invention correspondingly, the present invention is gone back A kind of method of construction of the recoverable flexible compound supporting construction for coral reef foundation pit is provided, is adopted the following technical scheme that: A kind of method of construction of recoverable flexible compound supporting construction for coral reef foundation pit, for build above-mentioned technical proposal or The recoverable flexible compound supporting construction for coral reef foundation pit described in its any preferred technical solution, including making as follows Industry step:
1) 1 position of foundation pit is selected, and gets out operation side;
2) squeeze into support pile 3 in the periphery of foundation pit 1 and form supporting pile and fascine 2;
3) start to dig and make foundation pit 1, and insert lower Internal baffle 4 and outer baffle 5 in the inner side and outer side of supporting pile and fascine 2 respectively;
4) support sets supporting rack 6 between Internal baffle 4;
5) carry out high polymer grouting between Internal baffle 4 and outer baffle 5 and form high polymer impervious body;
6) supporting rack 6, Internal baffle 4, outer baffle 5 and support pile 3 are removed.
Correspondingly, the method for construction of a kind of recoverable flexible compound supporting construction for coral reef foundation pit of the invention Also the advantageous effect of a kind of recoverable flexible compound supporting construction for coral reef foundation pit with the invention described above, herein It repeats no more.
In order to enable support pile 3 can be successfully driven into the soil body, before piling, first in the interior outside of support pile 3 (mixing ratio by weight is coating butter mixture ointment:Butter:Pitch:Dry sawdust:Dry clay=2:2:2:1), to reduce inserting piling When frictional resistance, and strengthen barrier performance.
It is preferably implemented in a kind of one kind of recoverable flexible compound supporting construction for coral reef foundation pit of the present invention In scheme, the support pile 3 is steel-pipe pile, and the both sides of steel-pipe pile are equipped with the connection tube chamber 9 extended along steel-pipe pile length direction, even The one side of take over chamber 9 is equipped with the long gap 10 extended along steel-pipe pile length direction;Two adjacent steel-pipe piles have adjacent two A connection tube chamber 9, adjacent two connection tube chambers 9 are connected by one along the I-steel 11 for connecting the extension of 9 length direction of tube chamber, The web 12 of I-steel 11 is inserted in the long gap 10 of two adjacent connection tube chambers 9, and two wing plates 13 of I-steel 11 are distinguished In two adjacent connection tube chambers 9;In the method for construction for implementing this preferred embodiment, it is preferable that in the step 5), The step of further including to connection 9 perfusion mortar of tube chamber, the mortar of perfusion can fill up the gap that long gap 10 goes out, and prevent support pile Water is flowed into connection tube chamber 9 and flowed into foundation pit 1 in the 2 outside soil body of hedge.
When building the supporting pile and fascine 2, support pile 3 can finally close up from the both ends of supporting pile and fascine 2, when supporting pile and fascine 2 The support pile 3 at both ends apart from for 10 pilespacings when, the stake position of the support pile 3 to then constructing is detected and adjusts, so that most The I-steel 11 for two support piles 3 constructed afterwards is inserted into long gap 10.
Building a kind of of the present invention can be roughly divided into for the recoverable flexible compound supporting construction of coral reef foundation pit Following technological process:Preparation of construction selectes 1 position of foundation pit, and gets out operation side → surveying setting-out, determines the position of foundation pit The position put and driven piles → be processed to support pile 3 and channel steel 14 etc., pore-forming → positioning pile driving position, lay support pile 3 → Slope is excavated, and is started to dig and is made 1 → precipitation of foundation pit, the water penetrated into exclusion foundation pit 1 → distinguish in the inner side and outer side of supporting pile and fascine 2 It installs in the soil body of Internal baffle 4 and outer baffle 5 → between Internal baffle 4 and outer baffle 5 and carries out high polymer grouting → dismounting support Frame 6, Internal baffle 4 and outer baffle 5 → dismounting support pile 3.
Technical solution based on above-described embodiment, it is flexible multiple in a kind of recoverable for coral reef foundation pit of the present invention It closes in supporting construction and method of construction, due to being respectively equipped with 4 He of Internal baffle inside and outside the supporting pile and fascine 2 of 1 periphery of foundation pit Outer baffle 5, Internal baffle 4 and outer baffle 5 can disperse Water And Earth Pressures so that 2 stress of supporting pile and fascine is more uniform, 4 He of Internal baffle High polymer impervious body is perfused between outer baffle 5, high polymer impervious body can fill the soil body between Internal baffle 4 and outer baffle 5 In gap, so as to which seawater be prevented to penetrate into the foundation pit 1 for digging and making;In this way, many seawater would not be penetrated into foundation pit 1 and shadow Ring normal construction operation.It, can will be for the supporting rack 6 of supporting, Internal baffle 4, outer after the construction operation of foundation pit 1 is completed Baffle 5 and support pile 3 are removed to recycle.It can be seen that a kind of recoverable for coral reef foundation pit of the present invention Flexible compound supporting construction and method of construction can be convenient for carrying out civil construction in off-lying sea islands and reefs, save construction cost.
In conclusion the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as Into all equivalent modifications or change, should by the present invention claim be covered.

Claims (9)

1. a kind of recoverable flexible compound supporting construction for coral reef foundation pit, it is characterized in that, it is set along foundation pit (1) periphery By the supporting pile and fascine (2) being made of support pile (3), the outside of supporting pile and fascine (2) is equipped with outer baffle (5), the outside of outer baffle (5) For the soil body, the inside of supporting pile and fascine (2) is equipped with Internal baffle (4), and the inside of Internal baffle (4) is foundation pit (1), and foundation pit is equipped in (1) Internal baffle (4) is against on the madial wall of supporting pile and fascine (2) by supporting rack (6), supporting rack (6), the Internal baffle (4) and outer baffle (5) high polymer impervious body is perfused between.
2. the recoverable flexible compound supporting construction according to claim 1 for coral reef foundation pit, it is characterised in that: The foundation pit (1) is surrounded by a circle supporting pile and fascine (2), and support frame as described above (6) includes what is formed a circle along on the inside of Internal baffle (4) Support beam (7), support beam (7) are against on Internal baffle (4).
3. the recoverable flexible compound supporting construction according to claim 1 for coral reef foundation pit, it is characterised in that: The interior gusset of the supporting pile and fascine (2) is equipped with a circle Internal baffle (4), and adjacent two Internal baffles (4) are close to.
4. the recoverable flexible compound supporting construction according to claim 1 for coral reef foundation pit, it is characterised in that: The support pile (3) is steel-pipe pile.
5. the recoverable flexible compound supporting construction according to claim 4 for coral reef foundation pit, it is characterised in that: The both sides of the steel-pipe pile are equipped with the connection tube chamber (9) extended along steel-pipe pile length direction, and the one side of connection tube chamber (9) is equipped with edge The long gap (10) of steel-pipe pile length direction extension;Two adjacent steel-pipe piles have two adjacent connection tube chambers (9), adjacent Two connection tube chambers (9) pass through one along connection tube chamber (9) length direction extend I-steel (11) connect, I-steel (11) Web (12) be inserted in the long gap (10) of adjacent two connection tube chambers (9), two wing plates (13) point of I-steel (11) In two connection tube chambers (9) that Wei Yu be not adjacent.
6. the recoverable flexible compound supporting construction according to claim 5 for coral reef foundation pit, it is characterised in that: The both sides of the steel-pipe pile are respectively provided with a channel steel (14) extended along steel-pipe pile length direction, the notch (15) of the channel steel by The side wall of steel-pipe pile blocks and forms the connection tube chamber (9), and the long gap (10) is opened in the bottom (16) of channel steel.
7. the recoverable flexible compound supporting construction according to claim 5 for coral reef foundation pit, it is characterised in that: Mortar is perfused in the connection tube chamber (9).
8. a kind of method of construction of recoverable flexible compound supporting construction for coral reef foundation pit, it is characterized in that, for building The recoverable flexible compound supporting construction as described in any one of claim 1 to 7 for coral reef foundation pit is made, including as follows Job step:
1) foundation pit (1) position is selected, and gets out operation side;
2) squeeze into support pile (3) in the periphery of foundation pit (1) and form supporting pile and fascine (2);
3) start to dig and make foundation pit (1), and insert lower Internal baffle (4) and outer baffle in the inner side and outer side of supporting pile and fascine (2) respectively (5);
4) support sets supporting rack (6) between Internal baffle (4);
5) carry out high polymer grouting between Internal baffle (4) and outer baffle (5) and form high polymer impervious body;
6) supporting rack (6), Internal baffle (4), outer baffle (5) and support pile (3), recycling are removed.
9. the method for construction of the recoverable flexible compound supporting construction according to claim 8 for coral reef foundation pit, It is characterized in that:The support pile (3) is steel-pipe pile, and the both sides of steel-pipe pile are equipped with the connecting tube extended along steel-pipe pile length direction Chamber (9), the one side of connection tube chamber (9) are equipped with the long gap (10) extended along steel-pipe pile length direction;Two adjacent steel-pipe piles With two adjacent connection tube chambers (9), adjacent two connection tube chambers (9) connect tube chamber (9) length direction by an edge I-steel (11) connection of extension, the web (12) of I-steel (11) are inserted in the long gap of two adjacent connection tube chambers (9) (10) in, two wing plates (13) of I-steel (11) are located at respectively in two adjacent connection tube chambers (9);
In the step 5), the step of further including to connection tube chamber (9) perfusion mortar.
CN201810098313.3A 2018-01-31 2018-01-31 For the recoverable flexible compound supporting construction and method of construction of coral reef foundation pit Pending CN108118702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810098313.3A CN108118702A (en) 2018-01-31 2018-01-31 For the recoverable flexible compound supporting construction and method of construction of coral reef foundation pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810098313.3A CN108118702A (en) 2018-01-31 2018-01-31 For the recoverable flexible compound supporting construction and method of construction of coral reef foundation pit

Publications (1)

Publication Number Publication Date
CN108118702A true CN108118702A (en) 2018-06-05

Family

ID=62234316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810098313.3A Pending CN108118702A (en) 2018-01-31 2018-01-31 For the recoverable flexible compound supporting construction and method of construction of coral reef foundation pit

Country Status (1)

Country Link
CN (1) CN108118702A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371977A (en) * 2018-10-18 2019-02-22 北京北建大科技园发展有限公司 A kind of tier building foundation pit safeguard structure

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005282174A (en) * 2004-03-30 2005-10-13 Nippon Steel Corp Steel pipe sheet pile joint, joint structure of steel pipe sheet pile, and steel pipe sheet pile foundation
CN102839681A (en) * 2012-08-31 2012-12-26 中铁三局集团有限公司 Combined steel pipe pile cofferdam used under condition of no cover layer in deep water and construction method thereof
CN103643682A (en) * 2013-11-28 2014-03-19 杭州江润科技有限公司 Pre-stressed hollow pipe pile foundation pit support structure and construction method
CN204715343U (en) * 2015-06-22 2015-10-21 郭永 A kind of Combined water-stopping retaining wall
CN105040595A (en) * 2015-07-28 2015-11-11 中国十九冶集团有限公司 Retaining structure of foundation pit for main pier bearing platform of bridge at river bedrock on gentle slope and construction method thereof
CN105442622A (en) * 2015-12-15 2016-03-30 中交一公局桥隧工程有限公司 Water-retaining construction technology for locked steel pipe piles
CN106677205A (en) * 2016-11-11 2017-05-17 重庆大学 Fabricated special-shaped steel pipe pile combined retaining wall
CN107023021A (en) * 2017-05-31 2017-08-08 郑州安源工程技术有限公司 A kind of design and construction method of flexible compound Diaphragm Wall Support Structure
CN206591535U (en) * 2017-02-24 2017-10-27 中铁十九局集团第七工程有限公司 Combined type cofferdam
KR101811693B1 (en) * 2017-03-20 2017-12-22 유한회사 강남이앤씨 Cutoff wall structure with pile of wall steel pipe and H-beam and construction method of cutoff wall using the same

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005282174A (en) * 2004-03-30 2005-10-13 Nippon Steel Corp Steel pipe sheet pile joint, joint structure of steel pipe sheet pile, and steel pipe sheet pile foundation
CN102839681A (en) * 2012-08-31 2012-12-26 中铁三局集团有限公司 Combined steel pipe pile cofferdam used under condition of no cover layer in deep water and construction method thereof
CN103643682A (en) * 2013-11-28 2014-03-19 杭州江润科技有限公司 Pre-stressed hollow pipe pile foundation pit support structure and construction method
CN204715343U (en) * 2015-06-22 2015-10-21 郭永 A kind of Combined water-stopping retaining wall
CN105040595A (en) * 2015-07-28 2015-11-11 中国十九冶集团有限公司 Retaining structure of foundation pit for main pier bearing platform of bridge at river bedrock on gentle slope and construction method thereof
CN105442622A (en) * 2015-12-15 2016-03-30 中交一公局桥隧工程有限公司 Water-retaining construction technology for locked steel pipe piles
CN106677205A (en) * 2016-11-11 2017-05-17 重庆大学 Fabricated special-shaped steel pipe pile combined retaining wall
CN206591535U (en) * 2017-02-24 2017-10-27 中铁十九局集团第七工程有限公司 Combined type cofferdam
KR101811693B1 (en) * 2017-03-20 2017-12-22 유한회사 강남이앤씨 Cutoff wall structure with pile of wall steel pipe and H-beam and construction method of cutoff wall using the same
CN107023021A (en) * 2017-05-31 2017-08-08 郑州安源工程技术有限公司 A kind of design and construction method of flexible compound Diaphragm Wall Support Structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
焦胜军等: "高速铁路桥梁施工与维护", 成都:西南交通大学出版社, pages: 101 - 104 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371977A (en) * 2018-10-18 2019-02-22 北京北建大科技园发展有限公司 A kind of tier building foundation pit safeguard structure

Similar Documents

Publication Publication Date Title
CN107268636A (en) The diaphragm wall foundation ditch that the steel cylinder or steel sheet pile of a kind of seal groove and occlusion structure are constituted is with going along with sb. to guard him and construction method
CN203034467U (en) Combined steel pile cofferdam with water-proof fore shafts
US20140154012A1 (en) Assembled mud-rock flow debris dam and construction method thereof
CN102146679A (en) Construction method for complex geological section earth pressure balance shield passing middle air shaft
CN101225656B (en) Method for rapidly reinforcing ultra-soft soil superficial layer
Xiao Geotechnical engineering design
CN1773022A (en) Fast soft foundation dyke building method and technology
CN102154997A (en) Ecotypic bank revetment structure
CN104110038A (en) Construction method for large-area pit support structure in deep-sludge type soft soil area
CN1309909C (en) Follow-up mud jacking rotary digging drilling hole bored concrete pile technology
CN107217676A (en) A kind of steel cylinder with seal groove and occlusion structure or steel sheet pile and steel construction diaphragm wall
CN107299650A (en) A kind of remote open caisson casting method for correcting error
CN106592512A (en) Reinforced concrete and gabion combined ecological flood control wall structure and construction method thereof
CN105239530A (en) Externally bonded landscape flood prevention wall structure
CN207891894U (en) Recoverable flexible compound supporting construction for coral reef foundation pit
CN108118702A (en) For the recoverable flexible compound supporting construction and method of construction of coral reef foundation pit
CN108149637A (en) A kind of vertical bank revetment structure and its construction method
CN101892650A (en) Combined type seawall and construction method thereof
CN101130944A (en) Geotechnical soil-ballasted sack cofferdam for water piers of river-crossing bridge and its production method
CN108166507A (en) The construction system and its method of construction of coral reef piping lane foundation pit
CN207974122U (en) The construction system of coral reef piping lane foundation pit
CN205062744U (en) Half gravity type two -stage view anti -flood wall on half cantilever
CN207608912U (en) Side slope body supporting construction
CN207633320U (en) A kind of protective reinforcing structure of ecology man-made island
CN208486269U (en) A kind of steel cylinder or steel sheet pile with seal groove and occlusion structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination