CN109098181A - The recyclable full prefabricated pile apical cap beam recycled and its construction method - Google Patents
The recyclable full prefabricated pile apical cap beam recycled and its construction method Download PDFInfo
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- CN109098181A CN109098181A CN201811013934.3A CN201811013934A CN109098181A CN 109098181 A CN109098181 A CN 109098181A CN 201811013934 A CN201811013934 A CN 201811013934A CN 109098181 A CN109098181 A CN 109098181A
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- crown beam
- apical cap
- connection
- full prefabricated
- prefabricated pile
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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
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The present invention relates to stake top crown beam technical fields, disclose the full prefabricated pile apical cap beam and its construction method of a kind of recyclable recycling.Crown beam of the present invention is arranged at the top of support pile, sequentially splices to connect adjacent support pile;Anchor hole corresponding with the connection anchor cable of setting pre-buried at the top of support pile is provided in the crown beam, connection anchor cable passes through anchor hole straight up, and is locked by anchorage;Crown beam both ends are respectively arranged with mutually matched Connection protrusion and coupling recess portion, and adjacent crown beam fixes alignment by Connection protrusion and coupling recess portion.The present invention avoids cast-in-place construction, and it is time saving and energy saving to install, and construction efficiency is high, environmentally protective, reuses after recyclable, construction cost is low.
Description
Technical field
The present invention relates to stake top crown beam technical fields, more particularly to a kind of full prefabricated pile apical cap beam of recyclable recycling
And its construction method.
Background technique
Crown beam is the reinforced concrete continuous beam being arranged at the top of the supporting of foundation pit periphery or building enclosure, effect one is
All pile foundations are connected to together, such as cast-in-situ bored pile, rotary digging stake etc. prevents foundation pit or shaft top edge from generating collapsing,
Second is that bearing against power and vertical shear by the level that bracket undertakes bracing members or reinforced concrete support.
Traditional crown beam is cast-in-place structural or the half prefabricated half cast-in-place structure combined mostly;For cast-in-place structural, entirely
The heavy workload of work progress needs supporting module, and assembling reinforcement, not only construction cost is high, and cast-in-place construction amount is big, environmental pollution
Seriously, and need to occupy a large amount of human resources, it is time-consuming and laborious, substantially prolong construction period;It is cast-in-place for half prefabricated half
The structure combined improves construction efficiency although having saved the expense of part supporting module to a certain extent, is applying
Still there is a large amount of cast-in-place construction at work scene, and still to environment there are certain influence, there are still biggish promotion skies for construction efficiency
Between, and crown beam be still it is disposable, recycling and reusing can not be carried out, not only without reducing the cost that performs of crown beam, and
Working procedure is also added, practical value is low.
Summary of the invention
The present invention provides one kind and avoids cast-in-place construction, and it is time saving and energy saving to install, and construction efficiency is high, environmentally protective, construction cost
The full prefabricated pile apical cap beam and its construction method of low recyclable recycling.
The technical issues of solution is: the cast-in-place crown beam of tradition, the heavy workload of entire work progress need supporting module, tie up
It wire-ties, not only construction cost is high, and cast-in-place construction amount is big, and environmental pollution is serious, and needs to occupy a large amount of human resources, takes
When it is laborious, substantially prolong construction period;The half prefabricated half cast-in-place structure combined still has a large amount of cast-in-place construction, construction effect
Rate there are biggish room for promotion, and crown beam be still it is disposable, recycling and reusing can not be carried out, not only without reducing hat
The cost that beam performs, and working procedure is also added, practical value is low.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
The recyclable full prefabricated pile apical cap beam recycled of the present invention, the crown beam are arranged at the top of support pile, sequentially splice to connect
Connect adjacent support pile;Anchor hole corresponding with the connection anchor cable of setting pre-buried at the top of support pile is provided in the crown beam, even
It connects anchor cable and passes through anchor hole straight up, and be locked by anchorage;Crown beam both ends are respectively arranged with mutually matched connection
Protrusion and coupling recess portion, adjacent crown beam fix alignment by Connection protrusion and coupling recess portion.
The recyclable full prefabricated pile apical cap beam recycled of the present invention is further set between the anchorage and crown beam top surface
It is equipped with billet.
The recyclable full prefabricated pile apical cap beam recycled of the present invention, further, the quantity of the billet is not less than 2
It is a, overlapping setting up and down.
The recyclable full prefabricated pile apical cap beam recycled of the present invention, further, the anchor hole is oblong through-hole, long
Degree is not less than 150mm.
The recyclable full prefabricated pile apical cap beam recycled of the present invention is further provided on the crown beam top surface and is used for
The hanging ring being connect with hanging device.
The recyclable full prefabricated pile apical cap beam recycled of the present invention, further, the cross section of the Connection protrusion is in three
Angular, the side elevation intersected by two is enclosed with crown beam end face, and two side elevations are using the horizontal median axis of crown beam as middle line
It is symmetrical arranged.
The recyclable full prefabricated pile apical cap beam recycled of the present invention, further, the cross section of the Connection protrusion is in bow
Shape is enclosed by arc-shaped facade and crown beam end face.
The recyclable full prefabricated pile apical cap beam recycled of the present invention, further, the Connection protrusion is by crown beam end face
Middle part outwardly convex formed tenon structure.
The recyclable full prefabricated pile apical cap beam recycled of the present invention, further, between the anchor hole and connection anchor cable
It is packed with flexible waterproof material.
The construction method of the recyclable full prefabricated pile apical cap beam recycled of the present invention, comprising the following steps:
Step 1: pre-buried setting connects anchor cable at the top of support pile during support pile pours;
Step 2: be prefabricated in the factory crown beam according to the demand of mounting design;
Step 3: crown beam is transported to construction site, put according to erection sequence;
Step 4: the concrete of support pile top surface, which is carried out cleaning, picks chisel, smooth out with the fingers along connection anchor cable;
Step 5: hanging a liter crown beam, the corresponding anchor hole in crown beam of anchor cable, decentralization crown beam to support pile top surface will be connected;
Step 6: carrying out fill plug seal in connection anchor cable and anchor hole, it is ensured that it is closely knit, avoid rocking for crown beam;
Step 7: connection anchor cable end is locked with anchorage;
Step 8: adjusting the position of adjacent crown beam to be installed, card sets the Connection protrusion for being aligned adjacent crown beam and coupling recess portion, so
After repeat step 4 to step 7, adjacent crown beam is set;
Step 9: can carry out disassembly & recycling behind Underground Construction to ground to crown beam, continue to next engineering project
It uses.
The recyclable full prefabricated pile apical cap beam recycled of the present invention and its construction method compared with prior art, have as follows
The utility model has the advantages that
The recyclable full prefabricated pile apical cap beam recycled of the present invention is prefabricated in the factory, and industrialized production, structure is simple, convenient for system
Make, low manufacture cost;Site operation is substantially reduced to the demand of construction personnel, scene is arranged by pre-buried in supporting stake top
Connection anchor cable and the support pile in portion are detachably fixed, and installation difficulty is small, and speed is fast, high-efficient, are not necessarily to supporting module, assembling reinforcement
It constructs with cast in situs, substantially reduces construction workload, avoid environmental pollution, liberated a large amount of human resources, realize
Green construction.
The present invention is complete, and prefabricated pile apical cap beam is detachably fixed with support pile, and peace generates during tearing open without any waste, can be weighed
It is multiple to use, greatly reduce construction cost, energy conservation and environmental protection.
The full prefabricated pile apical cap beam of the present invention is connected using connection anchorage cable anchoring, and connection anchor cable end is pre-buried to be arranged in support pile
The anchor force of the quantity of top, pre-buried depth and setting according to the design needs determines that flexible in application, the scope of application is wider
It is general, it can effectively ensure the connectivity robustness and stability of crown beam;Anchor hole is oblong through-hole, convenient for accurately wearing for connection anchor cable
Enter, position inaccurate caused by solving the problems, such as because of connection anchor cable setting deviation.
The sequentially splicing connection paragraph by paragraph of the full prefabricated pile apical cap beam of the present invention, using more flexible accurate, stitching portion passes through mutual
The Connection protrusion of cooperation and coupling recess portion clamping alignment, are placed at the top of support pile, convenient for being accurately positioned, reduce difficulty of construction, have
Effect ensures the coaxially connected of adjacent crown beam, improves the precision and construction quality of crown beam construction.
The full prefabricated pile apical cap beam and its construction method of recyclable recycling of the invention are made into one with reference to the accompanying drawing
Walk explanation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the recyclable full prefabricated pile apical cap beam recycled of the present invention;
Fig. 2 is the top view of full prefabricated pile apical cap beam;
Fig. 3 is another joint form of adjacent crown beam stitching portion;
Fig. 4 is another joint form of adjacent crown beam stitching portion.
Appended drawing reference:
1- support pile;2- crown beam;3- anchor hole;4- connection anchor cable;5- anchorage;6- billet;7- hanging ring;81- Connection protrusion;
The coupling recess portion 82-;9- flexible waterproof material.
Specific embodiment
As shown in Figures 1 to 4, the recyclable full prefabricated pile apical cap beam setting recycled of the present invention is suitable at the top of support pile 1
Secondary splicing is to connect adjacent support pile 1.
Crown beam 2 is the reinforced concrete structure of cuboid, is vertically arranged with anchor hole 3, anchor hole 3 and supporting in crown beam 2
The connection anchor cable 4 of the 1 pre-buried setting in top of stake is correspondingly arranged, and anchor hole 3 is oblong through-hole, and length is not less than 150mm, connects anchor
Rope 4 is steel strand wires, and the length and radical of Transducers Embedded in Concrete are mainly determined according to anchor force provided by design, each support pile 1
Interior settable 1-2 beam connects anchor cable 4;It connects anchor cable 4 and passes through anchor hole 3 straight up, and be locked by anchorage 5, anchorage 5
Billet 6 is provided between 2 top surface of crown beam, the quantity of billet 6 is not less than 2, overlapping setting up and down, can go along with sb. to guard him knot
When structure shakes, effective dispersive stress, it is ensured that the stability and fastness that crown beam 2 is connect with support pile 1;Anchor hole 3 it is interior
Diameter is greater than the outer diameter 5-10mm of connection anchor cable 4;It is packed with flexible waterproof material 9 between anchor hole 3 and connection anchor cable 4, to ensure
Closely knit, flexible waterproof material 9 is that asphalt cement is mixed to form with oakum.
The hanging ring 7 for connecting with hanging device is provided on 2 top surface of crown beam.
2 both ends of crown beam are respectively arranged with mutually matched Connection protrusion 81 and coupling recess portion 82, and adjacent crown beam 2 passes through connection
Protrusion 81 and coupling recess portion 82 fix alignment.
As shown in figure 3, the cross section of Connection protrusion 81 is triangular in shape, the side elevation intersected by two is enclosed with 2 end face of crown beam
It closes and is formed, two side elevations are vertically arranged, and are symmetrical arranged by middle line of the horizontal median axis of crown beam 2, between two side elevations
Angle be not less than 140 °;When adjacent crown beam 2 is docked, for the notch of triangle convenient for positioning, operation difficulty is small, may insure simultaneously
Adjacent crown beam 2 it is coaxially connected.
As shown in Fig. 2, similar, Connection protrusion 81 and coupling recess portion 82 can also be other with said function and effect
Connection shape;The cross section of Connection protrusion 81 is arched, is enclosed by arc-shaped facade and 2 end face of crown beam, arc-shaped vertical
The corresponding central angle in face is not less than 60 °.
As shown in figure 4, similar, Connection protrusion 81 is the tenon structure formed by the middle part outwardly convex of 2 end face of crown beam,
The cross section of Connection protrusion 81 is square, and the width of Connection protrusion 81 is not less than the 1/3 of 2 width of crown beam, and adjacent crown beam 2 is docked
When, it needs that crown beam 2 is installed from top to bottom, slides into Connection protrusion 81 in coupling recess portion 82 from top to bottom, realize clamping.
The installation method of the recyclable full prefabricated pile apical cap beam recycled of the present invention, comprising the following steps:
Step 1: connecting anchor cable 4 in the 1 pre-buried setting in top of support pile during support pile 1 pours;
Length and the radical for connecting 4 Transducers Embedded in Concrete of anchor cable are mainly determining according to provided anchor force is designed;
Step 2: according to the demand of mounting design, the crown beam that is prefabricated in the factory 2;
Step 3: crown beam 2 is transported to construction site, put according to erection sequence;
Step 4: the concrete of 1 top surface of support pile, which is carried out cleaning, picks chisel, smooth out with the fingers along connection anchor cable 4;
Step 5: hanging device is connect with the hanging ring 7 at 2 top of crown beam, liter crown beam 2 is hung, connection anchor cable 4 is corresponding across crown beam
Anchor hole 3 on 2, decentralization crown beam 2 to 1 top surface of support pile;
Step 6: inserting flexible waterproof material 9 in connection anchor cable 4 and anchor hole 3, anchor hole 3 is clogged, it is ensured that it is closely knit, it avoids
Crown beam 2 is rocked;
Step 7: connection anchor cable 4 is sequentially passed through billet 6 and anchorage 5, then it is locked with anchorage 5;
Step 8: adjusting the position of adjacent crown beam 2 to be installed, card sets the Connection protrusion 81 for being aligned adjacent crown beam 2 and connects recessed
Then portion 82 repeats step 4 to step 7, adjacent crown beam 2 is arranged;
Step 9: behind Underground Construction to ground, disassembly & recycling can be carried out to crown beam 2, to next engineering project after
It is continuous to use.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (10)
1. the recyclable full prefabricated pile apical cap beam recycled, it is characterised in that: the crown beam (2) is arranged at the top of support pile (1),
Sequentially splice to connect adjacent support pile (1);The connection with setting pre-buried at the top of support pile (1) is provided on the crown beam (2)
The corresponding anchor hole (3) of anchor cable (4), connection anchor cable (4) pass through anchor hole (3) straight up, and solid by anchorage (5) locking
It is fixed;Crown beam (2) both ends are respectively arranged with mutually matched Connection protrusion (81) and coupling recess portion (82), and adjacent crown beam (2) passes through
Connection protrusion (81) and coupling recess portion (82) fix alignment.
2. the full prefabricated pile apical cap beam of recyclable recycling according to claim 1, it is characterised in that: the anchorage (5)
Billet (6) are provided between crown beam (2) top surface.
3. the full prefabricated pile apical cap beam of recyclable recycling according to claim 2, it is characterised in that: the billet
(6) quantity is not less than 2, up and down overlapping setting.
4. the full prefabricated pile apical cap beam of recyclable recycling according to claim 1, it is characterised in that: the anchor hole
It (3) is oblong through-hole, length is not less than 150mm.
5. the full prefabricated pile apical cap beam of recyclable recycling according to claim 1, it is characterised in that: the crown beam (2)
The hanging ring (7) for connecting with hanging device is provided on top surface.
6. the full prefabricated pile apical cap beam of recyclable recycling according to claim 1, it is characterised in that: the Connection protrusion
(81) cross section is triangular in shape, and the side elevation intersected by two is enclosed with crown beam (2) end face, and two side elevations are with crown beam
(2) horizontal median axis is symmetrical arranged for middle line.
7. the full prefabricated pile apical cap beam of recyclable recycling according to claim 1, it is characterised in that: the Connection protrusion
(81) cross section is arched, is enclosed by arc-shaped facade and crown beam (2) end face.
8. the full prefabricated pile apical cap beam of recyclable recycling according to claim 1, it is characterised in that: the Connection protrusion
(81) the tenon structure to be formed by the middle part outwardly convex of crown beam (2) end face.
9. the full prefabricated pile apical cap beam of recyclable recycling according to claim 1, it is characterised in that: the anchor hole
(3) flexible waterproof material (9) are packed with connecting between anchor cable (4).
10. the construction method of the full prefabricated pile apical cap beam of recyclable recycling described in any one of claim 1-9, feature
It is: the following steps are included:
Step 1: during support pile (1) pours, pre-buried setting connection anchor cable (4) at the top of support pile (1);
Step 2: according to the demand of mounting design, the crown beam that is prefabricated in the factory (2);
Step 3: crown beam (2) is transported to construction site, put according to erection sequence;
Step 4: the concrete of support pile (1) top surface, which is carried out cleaning, picks chisel, smooth out with the fingers along connection anchor cable (4);
Step 5: hanging a liter crown beam (2), anchor cable (4) corresponding anchor hole (3) on crown beam (2) will be connected, is transferred crown beam (2)
To support pile (1) top surface;
Step 6: carrying out fill plug seal in connection anchor cable (4) and anchor hole (3), it is ensured that it is closely knit, avoid rocking for crown beam (2);
Step 7: connection anchor cable (4) end is locked with anchorage (5);
Step 8: the position of adjustment adjacent crown beam (2) to be installed, card set the Connection protrusion (81) for being aligned adjacent crown beam (2) and
Coupling recess portion (82) then repeats step 4 to step 7, adjacent crown beam (2) is arranged;
Step 9: behind Underground Construction to ground disassembly & recycling can be carried out to crown beam (2), to next engineering project
It continues to use.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811013934.3A CN109098181A (en) | 2018-08-31 | 2018-08-31 | The recyclable full prefabricated pile apical cap beam recycled and its construction method |
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CN201811013934.3A CN109098181A (en) | 2018-08-31 | 2018-08-31 | The recyclable full prefabricated pile apical cap beam recycled and its construction method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109914434A (en) * | 2019-04-16 | 2019-06-21 | 中建一局集团第五建筑有限公司 | Foundation pit supporting pile top crown beam construction structure |
CN112482362A (en) * | 2020-12-08 | 2021-03-12 | 中建三局集团有限公司 | Assembled concrete crown beam and construction method thereof |
CN113322973A (en) * | 2021-06-03 | 2021-08-31 | 中铁建工集团有限公司 | Deep foundation pit support structure and construction method thereof |
CN114809001A (en) * | 2022-03-14 | 2022-07-29 | 中铁时代建筑设计院有限公司 | Recyclable assembled PRC (prestressed concrete) supporting structure and supporting process |
CN114855812A (en) * | 2022-04-18 | 2022-08-05 | 中建八局第三建设有限公司 | Supporting pile construction method based on mortise and tenon structure |
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CN106522237A (en) * | 2016-09-23 | 2017-03-22 | 周兆弟 | Prefabricated crown beam and connecting method of prefabricated crown beam and prefabricated component |
CN206521773U (en) * | 2017-01-19 | 2017-09-26 | 中国建筑第二工程局有限公司 | Lock water leakage plugging structure after prestressed anchor cable tensioning |
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JPH10102487A (en) * | 1996-10-01 | 1998-04-21 | Ohbayashi Corp | Method of introducing prestress into diaphragam wall |
CN203034452U (en) * | 2012-12-25 | 2013-07-03 | 中国有色金属长沙勘察设计研究院有限公司 | Retaining pile anchoring structure |
CN105756070A (en) * | 2016-05-04 | 2016-07-13 | 山东大学 | Assembled type foundation pit supporting and protecting structure system based on prefabricated members |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109914434A (en) * | 2019-04-16 | 2019-06-21 | 中建一局集团第五建筑有限公司 | Foundation pit supporting pile top crown beam construction structure |
CN112482362A (en) * | 2020-12-08 | 2021-03-12 | 中建三局集团有限公司 | Assembled concrete crown beam and construction method thereof |
CN112482362B (en) * | 2020-12-08 | 2022-03-15 | 中建三局集团有限公司 | Construction method of assembled concrete crown beam |
CN113322973A (en) * | 2021-06-03 | 2021-08-31 | 中铁建工集团有限公司 | Deep foundation pit support structure and construction method thereof |
CN113322973B (en) * | 2021-06-03 | 2022-02-11 | 中铁建工集团有限公司 | Deep foundation pit support structure and construction method thereof |
CN114809001A (en) * | 2022-03-14 | 2022-07-29 | 中铁时代建筑设计院有限公司 | Recyclable assembled PRC (prestressed concrete) supporting structure and supporting process |
CN114809001B (en) * | 2022-03-14 | 2024-05-03 | 中铁时代建筑设计院有限公司 | Assembly type PRC supporting structure capable of being recycled and supporting process |
CN114855812A (en) * | 2022-04-18 | 2022-08-05 | 中建八局第三建设有限公司 | Supporting pile construction method based on mortise and tenon structure |
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Application publication date: 20181228 |
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