CN203346872U - Precast foundation pile and composite pile structure - Google Patents
Precast foundation pile and composite pile structure Download PDFInfo
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- CN203346872U CN203346872U CN 201320130014 CN201320130014U CN203346872U CN 203346872 U CN203346872 U CN 203346872U CN 201320130014 CN201320130014 CN 201320130014 CN 201320130014 U CN201320130014 U CN 201320130014U CN 203346872 U CN203346872 U CN 203346872U
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Abstract
A precast foundation pile includes at least one driven pile. The driven pile includes: a reinforcement cage, which comprises a plurality of main reinforcements and stirrups surrounding the main reinforcements, wherein the main reinforcements and the stirrups are fixed at the crossed positions at the opposite positions; driving a pile body, covering the reinforcement cage with concrete to form the pile body, and forming a tip at one end of the pile body; and a tip shroud overlying the tip.
Description
Technical field
The utility model is about a kind of precasting building structure, particularly about a kind of precasting foundation pile.
Background technology
Speed is one of key of modern industry competition, therefore, as how reasonably the factory building of the quick construction precision of cost carry out high-quality volume production, the important key that has become market to decide the issue of the battle.
Because of the structural quality excellence, construction safety is rapid, the construction cost economical rationality, and etc. advantage, the Precasting structure body construction method has been applied in the construction engineering of various industry factory buildings.
So-called " Precasting structure body construction method " is at precasting factory or building site periphery, and with standardized work flow and modular mould, rapid, high volume is produced the structure member of accurate pile, beam body, plate body etc.And, by accurate management of shifting products and assembling operation, the Components Compositions such as the pile that production is completed, beam body, plate body are built in building-site.
Yet above-mentioned pile, beam body, plate body depend on foundation pile and assemble construction, and known construction engineering method are still used in the construction of foundation pile after must completing in the foundation pile construction on the basis of building.Thereby build in the engineering of foundation pile easily and to affect construction quality and man-hour because of weather etc.
The utility model content
The purpose of this utility model is to provide a kind of precasting foundation pile, has transformable length, and its length can coordinate when piling predetermined degree of depth of being driven underground or the height that can drive piles of pile driver and adjusting in building-site.
In order to reach above-mentioned purpose, the utility model provides a kind of precasting foundation pile, and it comprises driven pile, extends stake, and links stake.Driven pile comprises: a reinforcing cage comprises a plurality of main muscle and, around the stirrup of those main muscle, main muscle is intersecting fixedly relative position of part with stirrup; One squeezes into pile body, with concrete overlay, in reinforcing cage, forms, and squeezes into pile body one end to taper off to a point; And be overlying on most advanced and sophisticated tip cover.In addition, driven pile also comprises and is overlying on the driven pile end shield of squeezing into the pile body other end.
Extending stake comprises: a reinforcing cage comprises a plurality of main muscle and, around the stirrup of those main muscle, main muscle is intersecting fixedly relative position of part with stirrup; One extends pile body, with concrete overlay, in reinforcing cage, forms; And first an extension stake end shield that is overlying on this extension pile body one end.In addition, extend stake and also comprise second an extension stake end shield that is overlying on the other end that extends pile body.
Linking stake comprises: link pile body; And the junction surface that is positioned at link pile body one end.Linking stake can utilize junction surface and the coupling of driven pile end shield to link, be connected in the other end of this driven pile, perhaps, extending stake can utilize the first extension stake end shield and the coupling of driven pile end shield to link, be connected in the other end of driven pile, nearly step ground, link stake and can utilize junction surface and the second extension stake end shield coupling to link, and is connected in the other end of this extension stake.
Driven pile end shield, first extends the stake end shield, the second ora terminalis that extends an end shield, junction surface can form chamfered section.Driven pile, extend stake, and when linking stake and continuing mutually, can be welded in above-mentioned chamfered section.
In addition, the utility model provides a kind of composite pile structure, and it comprises king pile, plural number secondary stake and pier base.King pile can comprise driven pile and link stake, or driven pile, extension stake and link stake.At least linking stake stands on the building datum.Secondary stake comprises respectively driven pile, or driven pile and extension stake.The building datum is stood in a plural number secondary stake each other equally spacedly, and stands on around king pile, and the main muscle of those secondary stake upper ends exposes.Pier base comprises: around those secondary stakes, and intersecting the fixing at least one stirrup of part with the main muscle of those secondary stakes; And water and put the compound pier body that concrete covers those secondary stakes and this stirrup.
Being linked to link bar between different king pile can stretch out from the cylinder of the link stake of king pile, stretches into pier base, and stretches out pier base, becomes the beam main tendon of beam body.
A kind of precasting foundation pile of the present utility model comprises:
One driven pile comprises:
One reinforcing cage, comprise a plurality of main muscle and, around the stirrup of those main muscle, main muscle is intersecting fixedly relative position of part with stirrup;
One squeezes into pile body, with concrete overlay, at this reinforcing cage, forms, and this is squeezed into pile body one end and forms a tip; And a most advanced and sophisticated cover, overlay on this tip.
Preferably, wherein this driven pile also comprises a driven pile end shield, overlays on the other end that this squeezes into pile body.
Preferably, wherein further comprise an extension stake, comprise:
One reinforcing cage, comprise a plurality of main muscle and, around the stirrup of those main muscle, main muscle is intersecting fixedly relative position of part with stirrup;
One extends pile body, with concrete overlay, at this reinforcing cage, forms; And
One first extends the stake end shield, overlays on this extension pile body one end, and this extension stake, with this first extension stake end shield and this driven pile end shield coupling link, continues at the other end of this driven pile.
Preferably, wherein further comprise a link stake, comprise:
One links pile body; And
One junction surface, position links pile body one end at this, and this links stake and links with this junction surface and the coupling of this driven pile end shield, continues at the other end of this driven pile.
Preferably, wherein this extension stake also comprises one second an extension stake end shield, overlays on the other end of this extension pile body.
Preferably, wherein further comprise a link stake, comprise:
One links pile body; And
One junction surface, position links pile body one end at this, and this links stake and links with this junction surface and this second extension stake end shield coupling, continues at the other end of this extension stake.
Preferably, wherein the ora terminalis of this driven pile end shield forms chamfered section.
Preferably, wherein this driven pile end shield and this first extends at least one ora terminalis of stake end shield and forms chamfered section.
Preferably, wherein this first when extending the stake end shield and linking with the coupling of this driven pile end shield, at least is welded on this first any one of this chamfered section of extending this chamfered section of an end shield or this driven pile end shield.
Preferably, wherein at least one ora terminalis of this driven pile end shield and this junction surface forms chamfered section.
Preferably, when wherein the coupling of this driven pile end shield and this junction surface links, at least be welded on any one of this chamfered section at this chamfered section of this driven pile end shield or this junction surface.
Preferably, wherein this second ora terminalis that extends the stake end shield forms chamfered section.
Preferably, wherein this second extends at least one ora terminalis formation chamfered section of stake end shield and this junction surface.
Preferably, wherein this second when extending the stake end shield and linking with the coupling of this junction surface, at least is welded on this second any one of this chamfered section of extending this chamfered section of an end shield or this junction surface.
A kind of composite pile structure of the present utility model comprises:
One king pile, it is the precasting foundation pile comprised as described above, at least this link stake stands on a building datum;
A plural number secondary stake, comprise respectively precasting foundation pile as described above, stands in equally spacedly each other this building datum, and stand in around this king pile, and the main muscle of those secondary stake upper ends exposes; And
One pier base comprises:
At least one stirrup, be centered around those secondary stakes, and fix intersecting part with main muscle of those secondary stakes; And
One compound pier body, water and put concrete and cover those secondary stake and this stirrups.
Another composite pile structure of the present utility model comprises:
One king pile, it is the precasting foundation pile wrapped as described above, at least this link stake stands on a building datum;
A plural number secondary stake, comprise respectively precasting foundation pile as described above, stands in equally spacedly each other this building datum, and stand in around this king pile, and the main muscle of those secondary stake upper ends exposes; And
One pier base comprises:
At least one stirrup, be centered around those secondary stakes, and fix intersecting part with main muscle of those secondary stakes; And
One compound pier body, water and put concrete and cover those secondary stake and this stirrups.
Preferably, wherein this king pile stretches out at least one link bar from the cylinder of this link stake and stretches into this pier base.
Preferably, wherein this link bar stretches out this pier base, as the beam main tendon of a beam body.
The utility model provides a kind of precasting foundation pile, has transformable length, thereby have when its length can coordinate piling, is scheduled to the degree of depth of being driven underground and the beneficial effect of adjusting in building-site.
The utility model provides a kind of precasting foundation pile, has transformable length, thereby have its length, can coordinate the height that pile driver can drive piles and the beneficial effect of adjusting in building-site.
The utility model provides a kind of composite pile structure, and formed by aforementioned precasting foundation pile, thereby form number by thering is transformable length and foundation pile, and the beneficial effect that can be formed in building-site.
The accompanying drawing explanation
Figure 1A is the schematic diagram of the driven pile of precasting foundation pile of the present utility model.
Figure 1B is the schematic diagram of the extension stake of precasting foundation pile of the present utility model.
Fig. 1 C is the schematic diagram of the link stake of precasting foundation pile of the present utility model.
Fig. 1 D is the schematic diagram that when precasting foundation pile of the present utility model is squeezed into to below ground, mallet used hits stake.
Fig. 2 A to Fig. 2 C is the sequence of construction schematic diagram that precasting foundation pile of the present utility model is squeezed into ground.
Fig. 3 A to Fig. 3 F utilizes the precasting foundation pile of Fig. 2 A to Fig. 2 C piling to carry out the sequential schematic along the construction of manual labour method.
Fig. 4 A to Fig. 4 H is the sequence of construction schematic diagram that precasting foundation pile of the present utility model is squeezed into ground.
Fig. 5 A to Fig. 5 N is the sequential schematic of utilizing the precasting foundation pile of Fig. 4 A to Fig. 4 H piling to carry out the construction of backhander engineering method and forming the composite pile structure.
[critical element symbol description]
100: driven pile 110: reinforcing cage
111: main muscle 112: stirrup
120: pile body 130: most advanced and sophisticated cover
140: driven pile end shield 141: chamfered section
200: extend stake 210: reinforcing cage
211: main muscle 212: stirrup
220: extend pile body and extend the stake end shield at 230: the first
231: chamfered section is extended the stake end shield at 240: the second
241: chamfered section 250: continual-connecting-part
251: opening 252: pipe section
253: slot part 254: coupling part
300: link stake 310: link pile body
311: reinforcing bar linking part 312: connecting block
313: sleeve part 320: change section
330: junction surface 331: chamfered section
340: mallet hits end 400: continual-connecting-part
410: opening 420: pipe section
430: slot part 440: coupling part
500: mallet hits stake 510: mallet hits pile body
520: continual-connecting-part 521: insert post
522: projection 530: mallet hits end
600: cylinder 700: the beam body
710: beam main tendon (link bar) 720: beam stirrup
800: pier base 810: the pier stirrup
820: reinforcing steel 821: extend muscle
830: pier body 840: compound pier body
900: pile driver 910: weld
920: auxiliary frame 921: registration wire
922: piling mouth 923: sept
P1～P5: pile driving position
The specific embodiment
Referring to graphic explanation embodiment of the present utility model.
While driving piles with pile driver, the height that the length limited of foundation pile can be driven piles in pile driver, therefore, precasting foundation pile of the present utility model is by the height of predetermined foundation pile segmentation of being driven underground to coordinate pile driver to drive piles.Precasting foundation pile of the present utility model comprises driven pile 100, extends stake 200 and links stake 300.Figure 1A is the schematic diagram of the driven pile 100 of precasting foundation pile of the present utility model.Driven pile 100 is to utilize the Precasting structure body construction method to form, and at first makes reinforcing cage 110.Reinforcing cage 110 comprises a plurality of main muscle 111 and around the stirrup 112 of main muscle 111, main muscle 111 with stirrup 112 in intersecting fixedly relative position of part.After completing reinforcing cage 110, reinforcing cage 110 is placed in to mould, waters in mould and put concrete overlay and form the cuspidated pile body 120 of squeezing into of an end tool in reinforcing cage 110.This tip is covered with the tip cover 130 that metal forms.And the other end of squeezing into pile body 120 is to be covered with the driven pile end shield 140 that metal forms.The ora terminalis of this driven pile end shield 140 can form chamfered section 141.Resistance when reducing piling work, most advanced and sophisticated cover 130, driven pile end shield 140 with the cylinder of squeezing into pile body 120 to form continuous level for better.
Figure 1B is the schematic diagram of the extension stake 200 of precasting foundation pile of the present utility model.Extending stake 200 is to utilize the Precasting structure body construction method to form, and at first makes reinforcing cage 210.Reinforcing cage 210 comprises a plurality of main muscle 211 and, around the stirrup 212 of main muscle 211, main muscle 211 is intersecting fixedly relative position of part with stirrup 212.After completing reinforcing cage 210, reinforcing cage 210 is placed in to mould, waters in mould and put concrete overlay in reinforcing cage 210 and formation extension pile body 220.Extending pile body 220 is that an end is covered with the first extension stake end shield 230 that metal forms, and the other end is covered with second of metal formation and extends stake end shield 240.First ora terminalis that extends stake end shield 230 and the second extension stake end 240 can form respectively chamfered section 231,241.Resistance during for the minimizing piling work, the first extension stake end shield 230, second extends the cylinder of stake end shield 240 and extension pile body 220 to form continuous level for better.
Fig. 1 C is the schematic diagram of the link stake 300 of precasting foundation pile of the present utility model.Link stake 300 and comprise link pile body 310, this links pile body 310 can be to have the continuous formation surface, the steel skeleton structure formed by metal, but can be also the reinforced concrete structure that is coated with the metal outer cylinder.Main muscle for connecting pile body 310 cylinders link beam bodies, can arrange reinforcing bar linking part 311 in connection pile body 310 cylinder precalculated positions.Reinforcing bar linking part 311 comprises connecting block 312 and a plurality of sleeve part 313.Connecting block 312 is to be fixedly welded on to connect pile body 310 cylinders, and a plurality of sleeve parts 313 point to respectively the cylinder that connects pile body 310 and give prominence to connecting block 312 outward.The ora terminalis that links an end formation 330，Ci junction surface, junction surface 330 of pile body 310 can form chamfered section 331.The other end that links pile body 310 hits end 340 for mallet.
Take ground as the building datum be example, by pile driver, driven pile 100 is squeezed into to ground (building datum) with tip cover 130, when driven pile 100 is driven into ground to desired depth, can link with junction surface 330 and 140 couplings of driven pile end shield linking stake 300, be connected in the other end of driven pile 100.Perhaps, when the degree of depth that is driven into ground when driven pile 100 does not reach the desired depth of foundation pile integral body, can with the first extension stake end shield 230 and 140 couplings of driven pile end shield, link extending stake 200, continuation will be extended stake 200 with pile driver and be squeezed into ground, afterwards, to link stake 300 and extend the 240 coupling links of stake end shield with junction surface 330 and second, be connected in the other end that extends stake 200.
Resistance during for the minimizing piling work, and the mallet of pile driver is conveyed to the tip of driven pile 100 with hitting the low leakage of strength, driven pile 100, extension stake 200, link stake 300 are to have identical radial section form for better.Yet, linking stake 300 is the girder constructions that link building, consider the structure of whole building, link pile body 310 designs that link stake 300 can be become and driven pile 100, extend stake 200 and there is different radial section form, only junction surface 330 and driven pile 100, extend stake 200 and there is identical radial section form, and between junction surface 330 and link pile body 310, change section 320 is set, the radial section form of example link pile body 310 as shown in Figure 1 C is the larger diameter circles that are different from junction surface 330, perhaps, the radial section form that links pile body 310 can be and is different from the circular polygon such as square etc.This change section 320 is preferably as shown in Figure 1 C, is connection joining part 330 and the smooth taper form that links pile body 310.
If precasting foundation pile of the present utility model is applied in the backhander engineering method, for driven pile 100, extension stake 200 are squeezed into to below ground, can continual-connecting-part 400 be set at the driven pile end shield 140 of driven pile 100 or second an extension stake end shield 240 of extension stake 200, and utilize mallet to hit stake 500 to be connected in continual-connecting-part 400, by driven pile 100, extend stake 200 and squeeze into below ground.
Take and second extend a stake end shield 240 and continual-connecting-part 400 is set as example what extend stake 200, as shown in Figure 1B, continual-connecting-part 400 be the second extension stake end shield 240 slightly middle position form opening 410, and from opening 410 extension sections 420 to extending in stake 200.Also from the edge of opening 410, form slot part 430, along pipe section 420 move towards extend, when slot part 430 deeply extends stake 200 desired depth, the tube wall periphery of pipe section 420 forms coupling part 440 to radial outside depression predetermined altitude from slot part 430.
On the other hand, as shown in Fig. 1 D, it is that material by the impact force that can bear when piling is formed that mallet hits stake 500, comprises mallet and hits pile body 510 and be connected in the continual-connecting-part 520 that mallet hits pile body 510 1 ends.Mallet hit fill 500 with continual-connecting-part 520 with the driven pile 100 that is provided with continual-connecting-part 400 or extend stake 200 and be of coupled connections, the impact force when mallet that hits pile body 510 other ends with mallet hits end 530 and bears piling.At length, resistance during for the minimizing piling work, mallet hits the radial section form of the optional position on the bearing of trend of pile body 510, with the driven pile 100 that do not exceed its link or extend outside the cylinder of stake 200, and for the mallet by pile driver is conveyed to the tip of driven pile 100 with hitting the low leakage of strength, be preferably as shown in the figure, the radial section form that mallet hits the optional position on the bearing of trend of pile body 510 all with, and there is identical form with the driven pile 100 of its link or the end face that extends stake 200.Continual-connecting-part 520 comprises and is connected in the insertion post 521 that mallet hits pile body 510 1 ends, and is positioned at and inserts post 521, protrudes from the projection 522 that inserts post 521 cylinders.Inserting post 521 matches each other with pipe section 420, the two take have identical radial section form and the height (degree of depth) as good, projection 522 matches each other with slot part 430 and coupling part 440, when inserting post 521 aligned openings 410, and during projection 522 alignment slot part 430, continual-connecting-part 520 can be from opening 410 Inserting Tube sections 420, when projection 522 arrives the degree of depth of coupling part 440, the rotation mallet hits stake 500 makes projection 522 enter coupling part 440, mallet can be hit to stake 500 and is of coupled connections in the driven pile 100 that is provided with continual-connecting-part 400 or extends stake 200.Want to extract mallet from continual-connecting-part 400 and hit stake 500 o'clock, at first hit 500 a rightabout rotation mallet that make projection 522 enter coupling part 440 to above-mentioned rotation mallet and hit stake 500, make projection 522 exit coupling part 440 and enter slot part 430, afterwards, can extract mallet along the rightabout that inserts post 521 insertion continual-connecting-parts 400 and hit stake 500.
Not yet can be by driven pile 100 when utilizing a mallet to hit stake 500, extend stake 200 drive piles to desired depth the time, as shown in Fig. 1 D, the other end that also can hit stake 500 at mallet arranges continual-connecting-part 400, the plural number mallet that continues hits stake 500 and carries out piling work.
The continual-connecting-part 520 that above-mentioned mallet hits stake 500 is not limited to the above-mentioned kenel continued with projection 522 and coupling part 440 couplings with the kenel of continual-connecting-part 400, for example, also can be the male tooth of bolt and the kenel of female tooth combination etc.
Following according to Fig. 2 A to Fig. 2 C, and Fig. 3 A to Fig. 3 F explanation is driven underground the precasting foundation pile, and utilize the precasting foundation pile to carry out the step of building along the manual labour method.
At first, according to building structure design foundation pile, with the Precasting structure body construction method, make the precasting foundation pile.Now, the height that the degree of depth that can be driven underground according to foundation pile and pile driver can be driven piles, make the precasting foundation pile respectively driven pile 100 and link stake 300.When if only driven pile 100 there is no method and reaches the desired depth of foundation pile, can make an extension stake 200 to plural number to supply the not enough degree of depth.
As shown in Figure 2 A, on the predetermined ground of the construction of foundation pile, with pile driver 900, the driven pile 100 that precasting completes is driven underground.
When if only driven pile 100 can reach the desired depth of foundation pile, still be positioned at ground when above at be driven underground desired depth and driven pile end shield 140 of driven pile 100, stand on the driven pile end shield 140 of driven pile 100 with junction surface 330 by linking stake 300, be coupled and link junction surface 330 and driven pile end shield 140 by welding, make to link stake 300 and be connected in driven pile 100.Now, the ora terminalis of any one of driven pile end shield 140 and link stake 300 can form chamfered section, and welded in the chamfered section 141 of driven pile end shield 140 or any one of chamfered section 331 that link stake 300, avoid welding portion to protrude from driven pile 100 and the periphery that links stake 300, increase the resistance of piling.
When if only driven pile 100 there is no method and reaches the desired depth of foundation pile, can continue and extend stake 200 in driven pile 100.When be driven underground desired depth and driven pile end shield 140 of driven pile 100 still is positioned at ground when above, as shown in Fig. 2 B, stand on the driven pile end shield 140 of driven pile 100 with the first extension stake end shield 230 by extending stake 200, be coupled and link the first extension stake end shield and driven pile end shield by welding, make to extend stake 200 and be connected in driven pile 100.Now, as shown in the part enlarged diagram in Fig. 2 B, the ora terminalis of any one of driven pile end shield 140 and the first extension stake end shield 230 can form chamfered section, and any one of chamfered section 231 of extending stake end shield 230 in the chamfered section 141 of driven pile end shield 140 or first welded (shown in Fig. 2 B be driven pile end shield 140 and first extend an end shield 230 all form chamfered section), avoid welding portion to protrude from driven pile 100 and the periphery that extends stake 200, increase the resistance of piling.If continue, one is extended stake 200 also can't reach the desired depth of foundation pile the time, can be driven underground desired depth and second extend a stake end shield 240 and still be positioned at ground when above extending stake 200, continues to continue to extend stake 200.
Be driven underground the desired depth that can reach foundation pile and second extend a stake end shield 240 and still be positioned at ground when above extending stake 200, stand on by linking stake 300 the second extension stake end shield 240 that extends stake 200 with junction surface 330, be coupled and link junction surface 330 and second and extend a stake end shield 240 by welding, make to link stake 300 and be connected in and extend 200.Now, second extends stake end shield 240 can form chamfered section with any one the ora terminalis that links stake 300, and is welded in the chamfered section 241 of the second extension stake end shield 240 or any one of chamfered section 331 that link stake 300.Further, continue mallet from linking stake 300 and hit end 340 piling when linking stake 300 reinforcing bar linking part 311 precalculated positions of below arrive ground predetermined altitude, complete the piling work of a foundation pile.
After piling work that plural number props up foundation pile completes, as shown in Figure 3A, in the precalculated position that links stake 300 cylinders, a plurality of reinforcing bar linking parts 311 are set, but also can be according to the progress of construction, only the floor position in predetermined construction at present arrange reinforcing bar linking part 311.In present embodiment, after reinforcing bar linking part 311 precalculated positions below linking stake 300 arrange reinforcing bar linking part 311, setting is around the pier stirrup 810 that links stake 300, link beam main tendon 710 and at beam main tendon 710 clamped beam stirrups 720 between different reinforcing bar linking part 311 sleeve parts 313 that link stake 300, also in the corner of pier stirrup 810, reinforcing steel 820 is set, the reinforcing bar carried out between different foundation pile links operation.Afterwards, set up template and be blocked in above-mentioned each reinforcing bar and water and put concrete, carry out concrete casting and put operation.After treating hardening of concrete, as shown in Figure 3 B, the concrete of sclerosis coats beam main tendon 710 and beam stirrup 720, forms beam body 700, and the concrete of sclerosis becomes the pier body 830 that coats pier stirrup 810 and reinforcing steel 820, forms pier base 800.
Then, as shown in Fig. 3 C to Fig. 3 E, the reinforcing bar link operation and the concrete casting that repeatedly carry out between different foundation pile are put operation, form beam body 700 and the pier base 800 of each layer.
Fig. 3 A to Fig. 3 E means the fabric structure that links the tri-layer beams body from linking stake 300, but the number of plies of beam body is not limited to this, can suitably set according to actual situation.In addition, if want, on link stake 300 upper ends, also continue to build cylinder and Liang Tishi, as shown in Figure 3 D, can arrange in the corner of pier stirrup 810 and extend muscle 821.Then, as shown in Fig. 3 E, when forming pier base 800, extend muscle 821 and protrude from above pier body 830.So, can continue to extend upward construction by the extension muscle 821 protruded from above pier body 830, for example, as shown in Fig. 3 F, link with the cylinder 600 of precasting to extend muscle 821, continue to extend upward construction.
Because the precasting foundation pile is directly to be driven underground by pile driver, consider the oil plant cost of the easy and pile driver of piling, suitably design the diameter of precasting foundation pile.Yet, the loading of the content that foundation pile must be able to bear building itself and building after completing, if each foundation pile is only by a driven pile 100, when depth of drive is not enough, collocation extension stake 200 and one link stake 300 forms, when so foundation pile can't also reach the purpose of bearing above-mentioned loading at a distance of predetermined interval, plural number can be propped up after precasting foundation pile preset distance interval is driven underground, form a composite pile structure, following according to Fig. 4 A to Fig. 4 H, and Fig. 5 A to Fig. 5 N application precasting foundation pile of the present utility model is when the backhander engineering method, the precasting foundation pile is driven underground, and the step of setting up the composite pile structure with the precasting foundation pile.
Except making as described above driven pile 100, extending stake 200 and link stake 300, because foundation pile being squeezed into to below ground, therefore, when the precasting foundation pile is applied to the backhander engineering method, must prepare mallet and hit stake 500, in addition, because a composite pile structure is to prop up foundation pile by plural number to be formed, therefore must determine the precalculated position of a plural number foundation pile.Present embodiment is to take composite pile structure that five foundation piles form to describe as example.
Step shown in Fig. 4 A and Fig. 4 B is to carry out in the same manner as above-mentioned Fig. 2 A and the described step of Fig. 2 B.As shown in Figure 4 A, on the predetermined ground of the construction of composite pile structure, with pile driver 900, by the driven pile 100 that precasting completes, in precalculated position, P1 is driven underground.Then, as shown in Figure 4 B, according to the designed foundation pile degree of depth, select coupling to link and extend stake 200 at driven pile 100, continuation will be extended stake 200 and be squeezed into ground.
Squeeze into to below ground in order to extend stake 200, as shown in Figure 4 C, form continual-connecting-part 400 at the second extension stake end shield 240 1 ends that extend stake 200, and be connected in continual-connecting-part 400 with continual-connecting-part 520, mallet is hit to stake 500 couplings and be linked to extension stake 200.Continuation will be extended stake 200 and be squeezed into to below ground.According to the designed foundation pile degree of depth, can select to link one or the mallet of plural number hit stake 500.
The foundation pile of P1 position is driven piles to desired depth, with the foundation pile of P1 position, drives piles step in the same manner, continues the piling work of P2 to P4 position.While driving piles to desired depth by foundation pile, be preferably as shown in Figure 4 D, the upper end that mallet hits stake 500 protrudes from ground.Then as shown in Figure 4 E, the mallet in P1 to P4 position hits between stake 500 auxiliary frame 920 is set, and this auxiliary frame 920 is can accurately drive piles in the P5 position in order to auxiliary foundation pile.In embodiment shown in Fig. 4 E, auxiliary frame is to be intersecting parallels, and the mallet of P1 to P4 position hits stake 500 and is linked to auxiliary frame 920 with registration wire 921 respectively, the position of firm auxiliary frame 920.The middle position of auxiliary frame 920 forms piling mouth 922.The mouth 922 of driving piles is provided with sept 923 on every side, and this sept 923 is the middle position elastic force-applyings to piling mouth 922, guides the foundation pile that enters the mouth 922 of driving piles to be positioned at the central authorities of piling mouth 922.Then, driven pile 100, extension stake 200 and link stake 300 are squeezed into to ground from piling mouth 922 according to above-mentioned piling step, as shown in Fig. 4 E to Fig. 4 G.
In this embodiment, will link stake 300 and drive piles and hit end 340 to mallet and slightly flush with ground, as shown in Fig. 4 H.Afterwards, remove auxiliary frame 920, and the mallet of removing P1 to P4 position hits stake 500 and the link of extending stake 200, respectively the mallet of P1 to P4 position is hit stake 500 extract ground and retain extend stake 200 with driven pile 100 in ground, and backfill is because of the hole, hole of causing of extracting of knocking stake 500.Fig. 4 A to Fig. 4 H and above-mentioned piling step are described is the piling step of a composite pile structure, and plural number after for example the piling step of composite pile structure of two completes, becomes state as shown in Figure 5A.
In each foundation pile of above-mentioned P1 to P5 position, the foundation pile of P5 position becomes the king pile in the composite pile structure, and the foundation pile of P1 to P4 position becomes secondary stake, stands on around king pile equally spacedly each other.
Then, as shown in Figure 5 B, from ground excavation connect around stake 300 and the native sand between adjacent link stake 300 to desired depth, make to link stake 300 and expose predetermined altitude.Afterwards, as shown in Figure 5 C, in the connection pile body 310 cylinder precalculated positions that link stake 300, reinforcing bar linking part 311 is set respectively, a plurality of reinforcing bar linking parts 311, respectively towards adjacent link stake 300, wait fixing means to be arranged at by welding and connect pile body 310 cylinders.
As shown in Figure 5 D, after the precalculated position that links stake 300 arranges reinforcing bar linking part 311, setting is around the pier stirrup 810 that links stake 300, link beam main tendon 710 and in beam main tendon 710 clamped beam stirrups 720 between different reinforcing bar linking part 311 sleeve parts 313 that link stake 300, reinforcing steel 820 also being set in the corner of pier stirrup 810 or extending muscle 821(present embodiment is to arrange to extend muscle 821), the reinforcing bar carried out between different foundation pile links operation.Afterwards, set up Shuttering blind at above-mentioned each reinforcing bar and water and put concrete, carrying out concrete casting and put operation.After treating hardening of concrete, as shown in Fig. 5 E, the concrete of sclerosis coats beam main tendon 710 and beam stirrup 720, forms beam body 700, and the concrete of sclerosis becomes the pier body 830 that coats pier stirrup 810 and reinforcing steel 820, forms pier base 800.That is beam main tendon 710 is that the cylinder from the link stake 300 of a king pile stretches out as link bar and stretches into pier base 800, also stretches out the cylinder that pier base 800 is linked to the link stake 300 of another king pile, as the beam main tendon 710 of a beam body.
When forming pier base 800, extend muscle 821 and protrude from above pier body 830.So, can continue to extend upward construction by the extension muscle 821 protruded from above pier body 830, for example, as shown in Fig. 5 F, link with the cylinder 600 of precasting to extend muscle 821, continue to extend upward construction.Now, continue to excavate the desired depth of native sand to the beam body of time one deck downwards.
Then, as shown in Fig. 5 G to Fig. 5 I, the reinforcing bar link operation and the concrete casting that repeatedly carry out between above-mentioned foundation pile are put operation, form beam body 700 and pier base 800.Afterwards, as shown in Fig. 5 J, expose piling in advance while continuing to excavate native sand to desired depth and, to underground, be positioned at the extension stake 200 of P1 to P4 position.
As shown in Fig. 5 K, in the precalculated position that links stake 300, reinforcing bar linking part 311 is set, and as shown in Fig. 5 L, the extension pile body 220 that disintegration exposes, remove the concrete of sclerosis, and reinforcing cage 210 is exposed.
Afterwards, as shown in Fig. 5 M, the reinforcing cage 210 of pier stirrup 810 around extension stake 200 upper ends that expose to P1 to P4 position is set, link beam main tendon 710 and, in beam main tendon 710 clamped beam stirrups 720, carry out the reinforcing bar link operation between composite pile pier base reinforcing bar bundle letter and different foundation pile between reinforcing bar linking part 311 sleeve parts 313 of different link stake 300.
Afterwards, set up template and be blocked in above-mentioned each reinforcing bar and water and put concrete, carry out concrete casting and put operation.After treating hardening of concrete, as shown in Fig. 5 N, the concrete of sclerosis coats beam main tendon 710 and beam stirrup 720, forms beam body 700, and the concrete of sclerosis becomes the compound pier body 840 that coats pier stirrup 810 and reinforcing cage 210, forms pier base 800.That is beam main tendon 710 is that the cylinder from the link stake 300 of a king pile stretches out as link bar and stretches into pier base 800, also stretches out the cylinder that pier base 800 is linked to the link stake 300 of another king pile, as the beam main tendon 710 of a beam body.
The graphic embodiment that precasting foundation pile of the present utility model and composite pile structure have been described of above foundation, however precasting foundation pile of the present utility model and composite pile structure also can be following change.
Above-mentioned embodiment is to link beam body 700 between different link stake 300, collocation driven pile 100, extending stake 200 drives piles to desired depth, but be not limited to this, for example, design according to building, plural number can be propped up to driven pile 100 drives piles while extremely still protruding from ground, remove the concrete that driven pile 100 exposes to the part of squeezing into pile body 120 on ground, make reinforcing cage 110 exposed, afterwards, link beam main tendon 710 between the reinforcing cage 110 of different driven pile 100, and in beam main tendon 710 clamped beam stirrups 720, the beam body reinforcing bar carried out between different driven pile 100 links operation.Then, carry out concrete casting and put operation.After treating hardening of concrete, form beam body 700.Further, the structures such as upwardly extending main muscle that also continue at exposed reinforcing cage 110, continue construction upward.Natch, driven pile 100 also can be so and implements with the situation of extending stake 200 collocation uses.
The radial section form of take in above-mentioned embodiment describes in the drawings as circular driven pile 100, extension stake 200, link stake 300, mallet hit stake 500 expressions, but be not limited to this, for example, driven pile 100, extend stake 200, link stake 300, form that radial section form that mallet hits stake 500 also can be square, octagon etc.
Take in above-mentioned embodiment to water and put concrete and become the driven pile 100 of solid column, extend stake 200 and describe as example, but be not limited to this, for example, in admissible situation such as the condition of intensity, loading etc., above-mentioned driven pile 100, extension stake 200 can be the form of cannulated, so, but weight reduction, save the cost of material and carrying, and the man-hour of making.
The reinforcing bar linking part 311 that comprises connecting block 312 and sleeve part 313 of take in above-mentioned embodiment describes as example, but the kenel of reinforcing bar linking part 311 is not limited to this, for example, also can be directly sleeve part 313 be utilized to welding or the method such as screw togather is set directly at the precalculated position that links pile body 310 cylinders.
Five foundation piles of take in above-mentioned embodiment form a composite pile structure and describe as example, but are not limited to this, for example, according to the structure design of building, also can form a composite pile structure by the foundation pile of the quantity such as four or six.
The main muscle 111 meaned in each figure, main muscle 211, stirrup 112, stirrup 212, beam main tendon 710, beam stirrup 720, pier stirrup 810, reinforcing steel 820, the quantity of extending muscle 821, wire diameter, bundle letter form, permanent position etc. are only for schematically showing, be actually the structure according to building, suitably design, for example, each stirrup can be the stirrup that the continuous helical shape is reeled.In addition, retain main muscle 211, the stirrup 212 exposed in Fig. 5 M, the main muscle 211, stirrup 212 outer rims that directly at those, expose arrange pier stirrup 810, and the coating concrete forms compound pier body 840, but also can remove the reinforcing cage 210 exposed according to design, and the reinforcing bar that welding is newly established is as main muscle.
The construction embodiment of above-mentioned composite pile structure is to take the backhander engineering method to describe as example, but be not limited to this, as be applied to when the manual labour method, for example, after completing the piling of P1 to P4 position with the step of Fig. 4 A, Fig. 4 B, with the step of Fig. 2 A to Fig. 2 C, complete the piling of P5 position.Then, from below, according to the step of Fig. 5 K to Fig. 5 N, build the pier base 800 that comprises compound pier body 840, afterwards, according to the step of Fig. 3 C to Fig. 3 F, continue to build upward.
Claims (18)
1. a precasting foundation pile, is characterized in that, comprises:
One driven pile comprises:
One reinforcing cage, comprise a plurality of main muscle and, around the stirrup of those main muscle, main muscle is intersecting fixedly relative position of part with stirrup;
One squeezes into pile body, with concrete overlay, in this reinforcing cage, forms, and this is squeezed into pile body one end and forms a tip; And
One most advanced and sophisticated cover, be overlying on this tip.
2. precasting foundation pile as claimed in claim 1, is characterized in that, this driven pile also comprises a driven pile end shield, is overlying on the other end that this squeezes into pile body.
3. precasting foundation pile as claimed in claim 2, is characterized in that, further comprises an extension stake, comprises:
One reinforcing cage, comprise a plurality of main muscle and, around the stirrup of those main muscle, main muscle is intersecting fixedly relative position of part with stirrup;
One extends pile body, with concrete overlay, in this reinforcing cage, forms; And
One first extends the stake end shield, is overlying on this extension pile body one end, and this extension stake, with this first extension stake end shield and this driven pile end shield coupling link, is connected in the other end of this driven pile.
4. precasting foundation pile as claimed in claim 2, is characterized in that, further comprises a link stake, comprises:
One links pile body; And
One junction surface, be positioned at this link pile body one end, and this links stake and links with this junction surface and the coupling of this driven pile end shield, is connected in the other end of this driven pile.
5. precasting foundation pile as claimed in claim 3, is characterized in that, this extension stake also comprises one second and extends the stake end shield, is overlying on the other end of this extension pile body.
6. precasting foundation pile as claimed in claim 5, is characterized in that, further comprises a link stake, comprises:
One links pile body; And
One junction surface, be positioned at this link pile body one end,
This links stake and links with this junction surface and this second extension stake end shield coupling, is connected in the other end of this extension stake.
7. precasting foundation pile as claimed in claim 2 or claim 3, is characterized in that, the ora terminalis of this driven pile end shield forms chamfered section.
8. precasting foundation pile as claimed in claim 3, is characterized in that, this driven pile end shield and this first extends at least one ora terminalis of stake end shield and form chamfered section.
9. precasting foundation pile as claimed in claim 8, is characterized in that, this is first when extending the stake end shield and linking with the coupling of this driven pile end shield, at least is welded in this first any one of this chamfered section of extending this chamfered section of an end shield or this driven pile end shield.
10. precasting foundation pile as claimed in claim 4, is characterized in that, at least one ora terminalis of this driven pile end shield and this junction surface forms chamfered section.
11. precasting foundation pile as claimed in claim 10, is characterized in that, when the coupling of this driven pile end shield and this junction surface links, at least is welded in any one of this chamfered section at this chamfered section of this driven pile end shield or this junction surface.
12. precasting foundation pile as claimed in claim 5, is characterized in that, this second ora terminalis that extends the stake end shield forms chamfered section.
13. precasting foundation pile as claimed in claim 6, is characterized in that, this second extends at least one ora terminalis formation chamfered section of stake end shield and this junction surface.
14. precasting foundation pile as claimed in claim 13, is characterized in that, this is second when extending the stake end shield and linking with the coupling of this junction surface, at least is welded in this second any one of this chamfered section of extending this chamfered section of an end shield or this junction surface.
15. a composite pile structure, is characterized in that, comprises:
One king pile, it comprises the described precasting foundation pile of claim 4 or 6, and at least this link stake is stood on a building datum;
A plural number secondary stake, comprise respectively precasting foundation pile claimed in claim 1, stands on equally spacedly each other this building datum, and stand on around this king pile, and the main muscle of those secondary stake upper ends exposes; And
One pier base comprises:
At least one stirrup, around those secondary stakes, and fix in intersecting part with main muscle of those secondary stakes; And
One compound pier body, water and put concrete and cover those secondary stake and this stirrups.
16. a composite pile structure, is characterized in that, comprises:
One king pile, it comprises the described precasting foundation pile of claim 4 or 6, and at least this link stake is stood on a building datum;
A plural number secondary stake, comprise respectively precasting foundation pile claimed in claim 3, stands on equally spacedly each other this building datum, and stand on around this king pile, and the main muscle of those secondary stake upper ends exposes; And
One pier base comprises:
At least one stirrup, around those secondary stakes, and fix in intersecting part with main muscle of those secondary stakes; And
One compound pier body, water and put concrete and cover those secondary stake and this stirrups.
17. composite pile structure as described as claim 15 or 16, is characterized in that, this king pile stretches out at least one link bar from the cylinder of this link stake and stretches into this pier base.
18. composite pile structure as claimed in claim 17 is characterized in that this link bar stretches out this pier base, as the beam main tendon of a beam body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101221632 | 2012-11-08 | ||
| TW101221632U TWM448509U (en) | 2012-11-08 | 2012-11-08 | Precast foundation piles and composite pile structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203346872U true CN203346872U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320130014 Expired - Lifetime CN203346872U (en) | 2012-11-08 | 2013-03-21 | Precast foundation pile and composite pile structure |
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| Country | Link |
|---|---|
| CN (1) | CN203346872U (en) |
| TW (1) | TWM448509U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013208A (en) * | 2016-06-13 | 2016-10-12 | 中国电力科学研究院 | Rib frame and pile foundation |
| CN110067305A (en) * | 2018-01-23 | 2019-07-30 | 润弘精密工程事业股份有限公司 | Beam-column joint structure and its construction method |
| US10837173B2 (en) | 2018-01-23 | 2020-11-17 | Ruentex Engineering & Construction Co., Ltd. | Beam-column connection structure and method of making the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI743549B (en) * | 2019-08-30 | 2021-10-21 | 林培元 | Pillar-in-pillar construction method of supporting pillars in reverse driving engineering |
-
2012
- 2012-11-08 TW TW101221632U patent/TWM448509U/en not_active IP Right Cessation
-
2013
- 2013-03-21 CN CN 201320130014 patent/CN203346872U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013208A (en) * | 2016-06-13 | 2016-10-12 | 中国电力科学研究院 | Rib frame and pile foundation |
| CN110067305A (en) * | 2018-01-23 | 2019-07-30 | 润弘精密工程事业股份有限公司 | Beam-column joint structure and its construction method |
| US10837173B2 (en) | 2018-01-23 | 2020-11-17 | Ruentex Engineering & Construction Co., Ltd. | Beam-column connection structure and method of making the same |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM448509U (en) | 2013-03-11 |
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Granted publication date: 20131218 |