CN204252127U - A kind of assembling stake - Google Patents

A kind of assembling stake Download PDF

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Publication number
CN204252127U
CN204252127U CN201420739426.4U CN201420739426U CN204252127U CN 204252127 U CN204252127 U CN 204252127U CN 201420739426 U CN201420739426 U CN 201420739426U CN 204252127 U CN204252127 U CN 204252127U
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CN
China
Prior art keywords
pile tube
pile
tube
plate
described top
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.)
Expired - Fee Related
Application number
CN201420739426.4U
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Chinese (zh)
Inventor
张锡治
张潮
马健
蔡魏巍
陈强
李刚
易振
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.)
Tianjin Port & Channel Engineering Co Ltd
Tianjin University Research Institute of Architectrual Design and Urban Planning
Original Assignee
Tianjin Port & Channel Engineering Co Ltd
Tianjin University Research Institute of Architectrual Design and Urban Planning
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Application filed by Tianjin Port & Channel Engineering Co Ltd, Tianjin University Research Institute of Architectrual Design and Urban Planning filed Critical Tianjin Port & Channel Engineering Co Ltd
Priority to CN201420739426.4U priority Critical patent/CN204252127U/en
Application granted granted Critical
Publication of CN204252127U publication Critical patent/CN204252127U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of assembling stake, be included in lower pile tube, describedly be provided with at lower pipe pile reinforcing bar cage in lower pile tube, upper head plate is provided with in lower pile tube upper end described, top pile tube is equipped with in the described upper end at lower pile tube, the bottom plate be fitted on described upper head plate is provided with in the lower end of described top pile tube, described bottom plate is connected with described upper head plate, in the pile tube of described top, head tube pile cages is set, the reinforcing cage of described top pile tube arranges one groined type compound stirrup every 200 ~ 400mm, after being provided with in the pile tube of described top, pouring concrete fills with core.Upper and lower two joint prefabricated tubular piles are assembled together by the utility model, and fill with the mode of core by pouring concrete after building in the pile tube of top, by pile tube together with the blend of predominance of bored pile.The utility model has the advantages that pile extension is easy, quick, cost is low, construction is fast, quality easily ensures, bearing capacity is high.

Description

A kind of assembling stake
Technical field
The utility model relates to the technical field of building construction, particularly a kind of assembling stake and construction method thereof such as bridge engineering, work China Democratic National Construction Association and marine port engineering, can be used for load stake and the weak soil soldier pile of all kinds of Structural Engineering.
Background technology
Prestressed reinforced concrete pipe pile system factorial praluction, material property obtain the pile tube of maximum performance.Its manufacturing process is simple, adapt to wide, high financial profit, be widely used in soft foundation, but due to the restriction in production, construction technology, the wall thickness of stake is by restriction to a certain extent, and therefore pile tube horizontal bearing capacity is less, horizontal bending resistance moment is little, and in the multi-rise building thing pile foundation of bearing horizontal loading, applicability is poor.On the other hand, bored pile horizontal bearing capacity is high, but easily produces the problem such as necking down, concrete piles difficult quality guarantee, and complex procedures, the mud contamination environment produced in construction.
Summary of the invention
The utility model provides a kind of assembling stake for solving in known technology the technical problem that exists, and the advantage of pile tube and bored pile can organically merge by this assembling stake.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is: a kind of assembling stake, be included in lower pile tube, describedly be provided with at lower pipe pile reinforcing bar cage in lower pile tube, upper head plate is provided with in lower pile tube upper end described, it is characterized in that, top pile tube is equipped with in the described upper end at lower pile tube, the bottom plate be fitted on described upper head plate is provided with in the lower end of described top pile tube, described bottom plate is connected with described upper head plate, in the pile tube of described top, head tube pile cages is set, the reinforcing cage of described top pile tube arranges one groined type compound stirrup every 200 ~ 400mm, after being provided with in the pile tube of described top, pouring concrete fills with core.All can produce on common pile tube production equipment at lower pile tube and top pile tube.
Described bottom plate is provided with the lower skirtboard and bottom plate annular projection that turn over, described lower skirtboard is embedded in the outside of described top pile tube admittedly, described skirt intralamellar part is provided with the peg I being anchored in top pile tube, described upper head plate is provided with down the upper skirtboard and upper head plate annular projection that turn over, described upper skirtboard is embedded in described in the outside of lower pile tube admittedly, and described overskirt intralamellar part is provided with the peg II be anchored at lower pile tube; Connect ring flat-plate to hold tightly described on the external surface of lower pile tube and described top pile tube, described connection ring flat-plate is provided with the groove clamped with upper head plate annular projection and bottom plate annular projection, described connection ring flat-plate comprises the two lobe arc monolithics by hinge, the keying end of arc monolithic described in every lobe is respectively connected by an assembling bolt with described lower skirtboard and described upper skirtboard, and the center line of described assembling bolt is consistent with the radial direction of described assembling stake.
Described top pile tube is partial prestressing pile tube or zero pile for prestressed pipe, the longitudinal reinforcement of the reinforcing cage of described top pile tube adopts prestressed steel bar and high tensile reinforcement hybrid reinforcement with ribbing or is all high tensile reinforcement with ribbing, the longitudinal reinforcement of the reinforcing cage of described top pile tube stretches out stake end length >=10d, d is high tensile reinforcement diameter with ribbing, and the stirrup of the reinforcing cage of described top pile tube adopts spiral stirrup; Described at lower pile tube employing pile for prestressed pipe, the longitudinal reinforcement of the described reinforcing cage at lower pile tube adopts prestressed steel bar to be formed.
The upper end that the longitudinal reinforcement of the reinforcing cage of described top pile tube stretches out stake end is welded with high tensile reinforcement with ribbing.
Described bottom plate is welded to connect with described upper head plate, reinforcing bar self-locking is connected or adopt connection ring flat-plate to connect.
The length of described top pile tube is not less than five times of pile body diameters and is not less than three times of pile body diameter length through below thickness of soft soil.
The advantage that the utility model has and good effect are: be assembled together by upper and lower two joint prefabricated tubular piles, and the mode of core is filled with by pouring concrete after building in the pile tube of top, by pile tube together with the blend of predominance of bored pile, rear pouring concrete fills with the horizontal bearing capacity that core improves assembling stake, adopt all or part of high tensile reinforcement with ribbing, avoid the shortcoming that the ductility of high-strength steel bar is poor, bond stress is weak, lower compared to castinplace pile cost, construct more convenient, quality easily ensures, and without mud conditioning in construction, belong to environmental protection construction.Adopt the mode pile extension connecting ring flat-plate and connect, on-the-spot welding job can be saved, reduce site operation amount.The utility model has the advantages that pile extension is easy, quick, cost is low, construction is fast, quality easily ensures, bearing capacity is high.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model assembling stake;
Fig. 2 is the utility model assembling stake coupling part sectional drawing;
Fig. 3-1 is the elevation of the utility model assembling stake arc monolithic;
Fig. 3-2 is the A-A sectional view of Fig. 3-1;
Fig. 3-3 is the B-B sectional view of Fig. 3-1;
Fig. 4 is the top view of Fig. 2;
Fig. 5 is the reinforcing cage elevation of the top pile tube of the utility model assembling stake;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the construction method step seven of the utility model assembling stake) constructing structure figure.
In figure: 1 is top pile tube; 11 is bottom plate; 111 is lower skirtboard; 112 is bottom plate annular projection; 113 is peg I; 2 is at lower pile tube; 21 is upper head plate; 22 is prestressed steel bar; 211 is upper skirtboard; 212 is upper head plate annular projection; 213 is peg II; 3 for connecting ring flat-plate; 31 is assembling bolt; 32 is bolt hole; 33 is bearing pin; 34 for connecting ring flat-plate groove; 4 is the reinforcing cage of top pile tube; 41 is top pile tube longitudinal reinforcement; 42 is top pile tube spiral stirrup; 43 is groined type compound stirrup; 44 for being welded with reinforcing bar; 5 is that rear pouring concrete fills with core; 6 is Pile side soil; 7 is grouting and reinforcing structure.
Detailed description of the invention
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to accompanying drawing, a kind of assembling stake, be included in lower pile tube 2, describedly to be provided with in lower pile tube 2 at lower pipe pile reinforcing bar cage, upper head plate 21 is provided with in the described upper end at lower pile tube 2, top pile tube 1 is equipped with in the described upper end at lower pile tube 2, the bottom plate 11 be fitted on described upper head plate 21 is provided with in the lower end of described top pile tube 1, described bottom plate 11 is connected with described upper head plate 21, in described top pile tube 1, head tube pile cages 4 is set, the reinforcing cage 4 of described top pile tube arranges one groined type compound stirrup 43 every 200 ~ 400mm, after being provided with in described top pile tube 1, pouring concrete fills with core 5.All can produce on common pile tube production equipment with top pile tube 1 at lower pile tube 2.
In the present embodiment, described top pile tube 1 carries out bolt connection at lower pile tube 2 by being connected ring flat-plate 3 with described.Concrete structure is: described bottom plate 11 is provided with the lower skirtboard 111 and bottom plate annular projection 112 that turn over, and described lower skirtboard 111 is embedded in the outside of described top pile tube 1 admittedly, and described skirt intralamellar part is provided with the peg 113 being anchored in top pile tube 1; Described upper head plate 21 is provided with down the upper skirtboard 211 and upper head plate annular projection 212 that turn over, and described upper skirtboard 211 is embedded in described in the outside of lower pile tube 2 admittedly, and described overskirt intralamellar part is provided with the peg 213 be anchored at lower pile tube 2; Connect ring flat-plate 3 to hold tightly described on the external surface of lower pile tube 2 and described top pile tube 1, described connection ring flat-plate is provided with the groove 34 clamped with upper head plate annular projection 212 and bottom plate annular projection 112, described connection ring flat-plate 3 comprises by two hinged lobe arc monolithics of bearing pin 33, the keying end of arc monolithic described in every lobe is respectively connected by an assembling bolt 31 with described lower skirtboard 111 and described upper skirtboard 211, and described assembling bolt 31 center line is consistent with the radial direction of described assembling stake.Bolt hole 32 on described connection ring flat-plate 3 is counterbore, makes assembling bolt 31 can enter a part in counterbore, connects the resistance at ring flat-plate 3 place during to protect assembling bolt 31 and to reduce pile sinking.
Described top pile tube 1 also can pass through directly to be welded to connect at lower pile tube 2 with described, and welding procedure is identical with tubular pile splicing technique, existing pile extension mode, and existing maturation process, can with reference to the national atlas of " prestressed concrete pipe pile " (10G409).Punishment three full welds are connected at two pile end plates.Described bottom plate and described upper head plate also can adopt existing reinforcing bar self-locking to be connected.
Above-mentioned top pile tube 1 adopts prefabrication, and there is bottom plate 11 lower end, and longitudinal reinforcement 41 stretches out stake end.The length of above-mentioned top pile tube 1 is determined according to calculating, to ensure to meet premised on requirement for bearing capacity at lower pile tube 2, and meets and is not less than five times of pile body diameters or through the detailing requiments being not less than three times of pile body diameter length below thickness of soft soil.Described head tube pile cages 4 is with reference to castinplace pile arrangement of reinforcement, longitudinal reinforcement 41 can adopt the hybrid reinforcement of prestressed steel bar and high tensile reinforcement with ribbing or be all high tensile reinforcement with ribbing, whether add prestressing force to determine according to top pile tube draw ratio and lifting requirements, longitudinal reinforcement stretches out stake end length >=10d, d is high tensile reinforcement diameter with ribbing, simultaneously for meeting anchorage length of steel bar in cushion cap, the high tensile reinforcement with ribbing 44 being welded with certain length can be continued.Stirrup 42 adopts spiral stirrup.The above-mentioned longitudinal reinforcement at lower pipe pile reinforcing bar cage adopts prestressed steel bar 22 to be formed, and adds prestressing force by common pile tube.
The construction method of above-mentioned assembling stake, carry out according to the following steps:
One) top pile tube 1 and all adopt prefabrication at lower pile tube 2, in the prefabrication process of top pile tube 1, head tube pile cages 4 arranges one groined type compound stirrup 43 every 200 ~ 400mm;
Two) job site is transported to by top pile tube 1 with at lower pile tube 2;
Three) after in top pile tube 1 chamber, pouring concrete fills with core 5, forms superimposed concrete solid pile;
Four) after stake position adopts long spire equipment pore-forming, stake holes will be sunk at lower pile tube 2, in time being sink in the upper end of lower pile tube 2 apart from ground 0.8 ~ 1.2m, be fixed on lower pile tube 2;
Five) top pile tube 1 solid for superimposed concrete is assemblied in the upper end of lower pile tube 2, carries out pile connection construction.Pile extension can be undertaken by hand fit, now should ensure pile tube surface cleaning, and the gap iron plate up and down between joint pads and welds, and the centerline deviation saving stake up and down must not be greater than 10mm, node warpage rise must not be greater than 1 ‰ long.The connection saving stake up and down can adopt welding, reinforcing bar self-locking connects or adopt connection ring flat-plate 3 to connect.Welding time-division three full welds.When connection ring flat-plate 3 connects, connection ring flat-plate is fixed on and saves stake connecting portion up and down, tighten assembling bolt 31, connection ring flat-plate 3 is hugged and saves stake connecting portion up and down.
Six) pile sinking is continued to design elevation;
Seven) slip casing by pressure reinforcing is carried out to stake side, between Pile side soil 6 and assembling stake, form grouting and reinforcing structure 7.
Above-mentioned steps three), adopt C40-C50 concreting concrete to fill with core 5, build at every turn and be highly no more than 5m.
Although be described preferred embodiment of the present utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, can also make a lot of form, these all belong within protection domain of the present utility model.

Claims (6)

1. an assembling stake, be included in lower pile tube, describedly be provided with at lower pipe pile reinforcing bar cage in lower pile tube, upper head plate is provided with in lower pile tube upper end described, it is characterized in that, top pile tube is equipped with in the described upper end at lower pile tube, the bottom plate be fitted on described upper head plate is provided with in the lower end of described top pile tube, described bottom plate is connected with described upper head plate, in the pile tube of described top, head tube pile cages is set, the reinforcing cage of described top pile tube arranges one groined type compound stirrup every 200 ~ 400mm, after being provided with in the pile tube of described top, pouring concrete fills with core.
2. assembling stake according to claim 1, it is characterized in that, described bottom plate is provided with the lower skirtboard and bottom plate annular projection that turn over, described lower skirtboard is embedded in the outside of described top pile tube admittedly, described skirt intralamellar part is provided with the peg I being anchored in top pile tube, described upper head plate is provided with down the upper skirtboard and upper head plate annular projection that turn over, and described upper skirtboard is embedded in described in the outside of lower pile tube admittedly, and described overskirt intralamellar part is provided with the peg II be anchored at lower pile tube; Connect ring flat-plate to hold tightly described on the external surface of lower pile tube and described top pile tube, described connection ring flat-plate is provided with the groove clamped with upper head plate annular projection and bottom plate annular projection, described connection ring flat-plate comprises the two lobe arc monolithics by hinge, the keying end of arc monolithic described in every lobe is respectively connected by an assembling bolt with described lower skirtboard and described upper skirtboard, and the center line of described assembling bolt is consistent with the radial direction of described assembling stake.
3. assembling stake according to claim 1, it is characterized in that, described top pile tube is partial prestressing pile tube or zero pile for prestressed pipe, the longitudinal reinforcement of the reinforcing cage of described top pile tube adopts prestressed steel bar and high tensile reinforcement hybrid reinforcement with ribbing or is all high tensile reinforcement with ribbing, the longitudinal reinforcement of the reinforcing cage of described top pile tube stretches out stake end length >=10d, d is high tensile reinforcement diameter with ribbing, and the stirrup of the reinforcing cage of described top pile tube adopts spiral stirrup; Described at lower pile tube employing pile for prestressed pipe, the longitudinal reinforcement of the described reinforcing cage at lower pile tube adopts prestressed steel bar to be formed.
4. assembling stake according to claim 1, is characterized in that, the upper end that the longitudinal reinforcement of the reinforcing cage of described top pile tube stretches out stake end is welded with high tensile reinforcement with ribbing.
5. assembling stake according to claim 1, is characterized in that, described bottom plate is welded to connect with described upper head plate, reinforcing bar self-locking is connected or adopt connection ring flat-plate to connect.
6. assembling stake according to claim 1, is characterized in that, the length of described top pile tube is not less than five times of pile body diameters or is not less than three times of pile body diameter length through below thickness of soft soil.
CN201420739426.4U 2014-11-28 2014-11-28 A kind of assembling stake Expired - Fee Related CN204252127U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201420739426.4U CN204252127U (en) 2014-11-28 2014-11-28 A kind of assembling stake

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CN204252127U true CN204252127U (en) 2015-04-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594343A (en) * 2014-11-28 2015-05-06 天津大学建筑设计研究院 Fabricated pile and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594343A (en) * 2014-11-28 2015-05-06 天津大学建筑设计研究院 Fabricated pile and construction method thereof

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150408

Termination date: 20201128