CN202730749U - Prefabricated reinforced concrete H-shaped support pile - Google Patents

Prefabricated reinforced concrete H-shaped support pile Download PDF

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CN202730749U
CN202730749U CN201220424506.1U CN201220424506U CN202730749U CN 202730749 U CN202730749 U CN 202730749U CN 201220424506 U CN201220424506 U CN 201220424506U CN 202730749 U CN202730749 U CN 202730749U
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pile
shaped
reinforced concrete
prefabricated reinforced
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孔超
孔清华
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Abstract

A prefabricated reinforced concrete H-shaped support pile comprises a standard pile section. The standard pile section comprises a reinforcement cage, is provided with an H-shaped hoop with an H-shaped section and has the section contour of an H-shaped pile of reinforced concrete, the H-shaped hoop comprises vertical stirrups, a triangular frame hoop and an 'S'-shaped stirrup, a plurality of main reinforcements are longitudinally connected to the bottom edge of the triangular frame hoop, inner longitudinal reinforcing steel bars are longitudinally connected to the inner side of the 'S'-shaped stirrup, wedge-shaped notches are arranged on both the left side and the right side of the H-shaped hoop, and pile end components are arranged at two ends of the standard pile section. The prefabricated reinforced concrete H-shaped support pile has the advantages that the prefabricated reinforced concrete H-shaped support pile has the optimal sectional properties of a horizontal-force-resistant pile capable of bearing lateral earth pressure, and reinforcing steel bars and concrete can be saved obviously; industrial production of customized commercial piles can be realized, the pile sinking efficiency is improved, and the labor cost is lowered; and a high-pressure jet grouting pile can be constructed between two piles, and anti-leakage probability can be increased due to the fact that high-pressure jet grouting cement is restrained by the H-shaped section.

Description

The I-shaped soldier pile of prefabricated reinforced concrete
Technical field
The utility model relates to a kind of pile foundation of civil construction project, especially relate to a kind of soldier pile that can bear higher horizontal lateral earth pressure for deep-foundation pit engineering, in Foundation Pit Support Engineering, can reduce again the base pit engineering cost the I-shaped soldier pile of prefabricated reinforced concrete.
Background technology
At present, be used for the deep-foundation pit engineering soldier pile and usually adopt bored pile or tube-sinking cast-in-situ pile, this bored pile or tube-sinking cast-in-situ pile are taked the job practices of building site present walling pile usually; The job practices of this present walling pile even all finish, also needs so that this present walling pile concrete can excavate foundation trench after reaching the intensity of regulation: so its efficiency of construction of present bored pile or tube-sinking cast-in-situ pile is lower; The cross section property of this bored pile or tube-sinking cast-in-situ pile does not have the feature of low soil compaction again, and it is relatively poor that the mechanical characteristic of horizontal lateral earth pressure is born in its cross section, is unfavorable for saving building resource; Secondly, the drilling slurry discharging of described building site present walling pile can cause the pollution to surrounding enviroment; When application bored pile or tube-sinking cast-in-situ pile are fender post usually, at fender post outside Construction Anti-seepage curtain, often adopt cement mixing pile or high-pressure rotary jet grouting pile overlap joint, because not linking to each other with fender post, so the seepage probability is higher.
The utility model content
Technical problem to be solved in the utility model is exactly to provide a kind of to have low soil compaction feature and bear horizontal lateral earth pressure and can save the I-shaped soldier pile of prefabricated reinforced concrete of building resource, reduction base pit engineering cost for the present situation of above-mentioned prior art.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to be: the I-shaped soldier pile of a kind of prefabricated reinforced concrete, comprise a standard pile cutoff, it is characterized in that: this standard pile cutoff is made of and has the cross section profile of the I-shaped stake of the I-shaped hoop of I-shaped cross-section and steel bar concrete cage of reinforcement;
This I-shaped hoop comprise two vertical stirrups that are parallel to each other, with this vertical stirrup up and down two ends link to each other and two frame hoops triangular in shape being arranged symmetrically with, with described two vertical stirrups between in the middle part of the serpentine stirrup that is connected;
The described up and down base of triangle frame hoop vertically is connected with many main muscle;
Interior reinforcing bar is indulged in vertically being symmetrically connected with of two inboards of described serpentine stirrup, fixes with side bundle or spot welding between reinforcing bar and the described serpentine stirrup in this is vertical.
Technique scheme consists of the having of I-section of the I-shaped soldier pile of prefabricated reinforced concrete of the present utility model
Figure BSA00000768242200021
It is better that the feature of soil compaction, its cross section are born the mechanical characteristic of horizontal lateral earth pressure, is conducive to save building resource and reduces the base pit engineering cost; Have again batch production and produce commodity stake advantage.
For conveniently stripped, as preferably, the left and right sides of described I-shaped hoop all has wedge-shape notch, and the gradient ratio of this wedge shape is 1 to 3; This wedge-shape notch is after being convenient to concrete and building, easily from this two sides wedge shape demoulding.
Described standard pile cutoff both ends are provided with a termination parts, and these termination parts comprise that upper and lower two " ∏ " font pile end plates and inboard thereof respectively weld a pad steel plate, and these two pads are linked to be the closed structure by steel bar welding between the steel plates again.
Described main muscle passes described I-shaped hoop and welds with described pad steel plate; This I-shaped hoop is fixed by arranging requirement and described main muscle side bundle or spot welding.
For convenient carrying, as preferably, described standard pile cutoff is provided with suspension ring near the position of stake end.The position of these suspension ring also is that finished peg the best when stacking is put fulcrum, to guarantee best stress and the minimal deformation state of finished peg in stacking.
For the spreading of described standard pile cutoff, as further preferred, described pile end plate is provided with the welding groove, and this groove will dock full weld between the described standard pile cutoff, and four jiaos behind this docking full weld are pasted the leg steel again.Like this, make the intensity of the joint of standard pile cutoff reach perfect condition.
In order to realize excellent antiseepage effect, as further preferred, adopt the size of different cross section also by regulating the piles with different distance of soldier pile, to satisfy the requirement of multiple degree of depth bracing of foundation pit; The soldier pile that requires with the internal force that is applicable to the different depth foundation ditch; Adopt the high-pressure rotary jet grouting pile antiseepage between two soldier piles, at the bottom of the foundation ditch below 2 meters distances be high-pressure rotary jet grouting pile stake is long, this high-pressure rotary jet grouting pile has reliable antiseepage effect under the wedge-shape notch cross section profile constraints of the I-shaped stake of described steel bar concrete; Wherein: for the single floor basement foundation ditch, as preferably, the high-pressure rotary jet grouting pile that tower that two antiseepages use connects is set between the described standard pile cutoff; To double storey basement, as preferably, single described high-pressure rotary jet grouting pile is set for one deck between the described standard pile cutoff; For two layers to three layers basement foundation ditch, as preferably, the double grafting of described standard pile cutoff arranges, described high-pressure rotary jet grouting pile is arranged between this standard pile cutoff.
In order to expand the utility model scope of application, as preferably, described standard pile cutoff bottom connects a steel bar concrete shoe or connects the part long joining section of a described standard pile cutoff.
The utility model compared with prior art, its advantage is: one, I-shaped cross-section are to bear to have best cross section property in the horizontal force resistant stake of lateral earth pressure, can save again 40~50% reinforcing bars and 30~40% concretes, have significant economy and technology skill really; Its two, realize the stake of batch production production definition commodity, improve 1~2 times of pile sinking efficient, reduce labor cost; Its three, the engineering time can shorten 1~1.5 times, gets final product earth excavation as long as finish fender post construction, is again the construction technology without mud; Its four, can regulate the pilespacing of soldier pile, thereby reach the internal force requirement of different depth foundation ditch; Its five, prefabricated reinforced concrete I-section fender post between two, construct high-pressure rotary jet grouting pile, be subject to the constraint of I-section because of the high-pressure rotary-spray cement paste, thereby can improve the antiseep probability.
Description of drawings
Fig. 1 is the upright I-section of the utility model cage of reinforcement lateral view;
Fig. 2 is the lateral view of the upright I-section of the utility model;
Fig. 3 is the A-A sectional drawing of Fig. 2;
Fig. 4 is the B-B sectional drawing of Fig. 1;
Fig. 5 is spreading schematic diagram of the present utility model;
Fig. 6 is the utility model and shoe connection diagram;
Fig. 7 is the part long joining section connection diagram of the utility model and standard pile cutoff;
Fig. 8 is the C-C sectional drawing of Fig. 4;
Fig. 9 is steel bar concrete shoe schematic diagram;
Figure 10 is the D-D sectional drawing of Fig. 9;
Figure 11 is that the utility model is applicable to single floor basement foundation ditch antiseepage schematic diagram;
Figure 12 is that the utility model is applicable to 1~2 layer of basement foundation ditch antiseepage schematic diagram;
Figure 13 is that the utility model is applicable to 2~3 layers of basement foundation ditch antiseepage schematic diagram;
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 to Figure 13 illustrates an embodiment of the present utility model, and it comprises a standard pile cutoff 10;
The I-shaped hoop 6 that this standard pile cutoff has the I-shaped cross-section and is comprised of cage of reinforcement, and the I-shaped stake cross section profile of steel bar concrete;
This I-shaped hoop 6 by two vertical stirrups 62 that are parallel to each other, with this vertical stirrup up and down two ends frame hoop 61 upper and lower triangular in shape that link to each other and that be arranged symmetrically with, with described two vertical stirrups between the serpentine stirrup 7 that is connected of middle part, many main muscle 4 vertically arranging along described triangle frame muscle base and two be arranged symmetrically with described serpentine stirrup and the interior reinforcing bar 5 of indulging that vertically is connected forms;
Many main muscle 4 pass I-shaped hoop 6 up and down, and with pad steel plate 8 welding of stake termination parts 20;
Help to prick or spot welding is fixed by requirement and main muscle 4 by arranging for this I-shaped hoop 6; Penetrating vertical interior reinforcing bar 5 helps bundle or spot welding to fix with I-shaped hoop 6 again; Fix with side bundle or spot welding between reinforcing bar 5 and the serpentine stirrup 7 in vertical; Imbed on request and fixing suspension ring 3, finish whole making of cage of reinforcement.
The left and right sides in described steel bar concrete worker shape stake cross section all has wedge-shape notch, and the ratio of this wedge shape gradient is 1 to 3, as shown in Figure 3; This be convenient to concrete build after two side wedge shapes conveniently stripped;
Standard pile cutoff 10 two ends and apart from the end about 300 millimeters places, respectively be provided with a termination steel plate 20; This steel plate inboard, termination is provided with the entity rectangular cross section; This standard pile cutoff is provided with suspension ring 3 near the position at stake two ends; The position of these suspension ring also is that finished peg is put fulcrum when stacking, and these 2 positions are that standard pile cutoff 10 positive hogging moment under recast is to equate;
Stake termination parts 20 are to be welded on pile end plate 2 inboards by steel plate 8, and described vertical outer reinforcing bar 4 is welded on this steel plate 8, weld stake termination parts that are linked to be closed by two reinforcing bars 9 again and form, as shown in Figure 4;
In the 10 bottom welding steel bar concrete shoes 14 of standard pile cutoff, perhaps be connected with the part long joining section 17 of standard pile cutoff, shown in Fig. 6,7;
Fig. 8 is the C-C section of Fig. 4, and main muscle 4 and stake stake termination parts 20 welding schematic diagrames are shown;
The spreading of standard pile cutoff 10 illustrates such as Fig. 5, and the pile end plate 2 in the stake termination parts 20 is provided with groove 16, and with groove 16 full welds of standard pile cutoff 10 joints, four jiaos are pasted leg steel 15 again, makes the intensity of the joint of standard pile cutoff 10 far exceed the intensity in all the other cross sections.
The bottom of standard pile cutoff 10 can welded reinforcement concrete shoe 14, as shown in Figure 6; Also can be connected with the part long joining section 17 of standard pile cutoff, as shown in Figure 7; This part long joining section 17 can adopt the sawed-off rear generation of standard pile cutoff; As being spaced with the length stake, then can be with not isometric section 17 of standard pile cutoff 10 sawed-off one-tenth;
Fig. 9 and Figure 10 illustrate the structure of present most prefabricated reinforced concrete shoes 14 of adopting, reinforcing bar 141 configuration structures of this rectangle shoe shown in it;
The utility model standard pile cutoff 10 is by adjusting pilespacing, can be widely used in the soldier pile that the internal force of different depth foundation ditch requires; Can adopt the high-pressure rotary jet grouting pile antiseepage between two soldier piles, at the bottom of the foundation ditch below 2 meters distances be high-pressure rotary jet grouting pile stake is long, this high-pressure rotary jet grouting pile has reliable antiseepage effect, shown in Figure 11,12,13 under two I-shaped groove constraintss;
Wherein, Figure 11 is applicable to the single floor basement foundation ditch, high-pressure rotary jet grouting pile 13 antiseepages that connect with two towers between the standard pile cutoff 10; Figure 12 is applicable to one deck to double storey basement, between the standard pile cutoff 10 with single high-pressure rotary jet grouting pile 12 antiseepages; Figure 13 is applicable to two layers to three layers basement foundation ditch, and with single high-pressure rotary jet grouting pile 12 antiseepages, cement-soil and standard pile cutoff 10 by this high-pressure rotary jet grouting pile 12 are bonded into integral body between the standard pile cutoff 10 of double grafting.
The utility model can be given full play to the characteristic of I-section, can significantly save raw material and reduce the base pit engineering cost; Adopt the size of different cross section and the piles with different distance of passing through to regulate soldier pile, to satisfy the requirement of multiple degree of depth bracing of foundation pit; Have again batch production and produce commodity stake advantage, and be easy to realize standardization, generalization and the seriation of the utility model prefabricated reinforced concrete worker shape soldier pile, to realize remarkable lift technique and economic effect.

Claims (7)

1. I-shaped soldier pile of prefabricated reinforced concrete, comprise a standard pile cutoff (10), it is characterized in that: this standard pile cutoff (10) is made of and has the cross section profile of the I-shaped stake of the I-shaped hoop (6) of I-shaped cross-section and steel bar concrete cage of reinforcement;
This I-shaped hoop comprise two vertical stirrups (62) that are parallel to each other, with this vertical stirrup up and down two ends link to each other and two frame hoops triangular in shape (61) of being arranged symmetrically with, with described two vertical stirrups between in the middle part of the serpentine stirrup (7) that is connected;
The described up and down base of triangle frame hoop (61) vertically is connected with many main muscle (4);
Interior reinforcing bar (5) is indulged in vertically being symmetrically connected with of two inboards of described serpentine stirrup (7), fixes with side bundle or spot welding between reinforcing bar and the described serpentine stirrup (7) in this is vertical.
2. the I-shaped soldier pile of described prefabricated reinforced concrete according to claim 1, it is characterized in that: the left and right sides of described I-shaped hoop (6) all has wedge-shape notch, and the ratio of this wedge shape gradient is 1 to 3.
3. the I-shaped soldier pile of described prefabricated reinforced concrete according to claim 1, it is characterized in that: described standard pile cutoff (10) both ends are provided with a termination parts (20), these termination parts comprise upper and lower two " ∏ " font pile end plates (2) and inboard each welding-pad steel plate (8) thereof, are linked to be the closed structure by reinforcing bar (9) weldering again between these the two blocks pad steel plates (8).
4. the I-shaped soldier pile of described prefabricated reinforced concrete according to claim 3, it is characterized in that: described main muscle (4) passes described I-shaped hoop (6) and welds with described pad steel plate (8); Prick or spot welding is fixed by requirement and described main muscle (4) side by arranging for this I-shaped hoop.
5. the I-shaped soldier pile of described prefabricated reinforced concrete according to claim 3, it is characterized in that: described standard pile cutoff (10) is provided with suspension ring (3) near the position of stake end.
6. the I-shaped soldier pile of described prefabricated reinforced concrete according to claim 3, it is characterized in that: described pile end plate (2) is provided with welding groove (16), this groove will dock full weld between the described standard pile cutoff (10), and four jiaos behind this docking full weld are pasted leg steel (15) again.
7. the I-shaped soldier pile of described prefabricated reinforced concrete according to claim 6, it is characterized in that: described standard pile cutoff (10) bottom connects a steel bar concrete shoe (14) or connects the part long joining section (17) of a described standard pile cutoff.
CN201220424506.1U 2012-08-21 2012-08-21 Prefabricated reinforced concrete H-shaped support pile Expired - Lifetime CN202730749U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102828503A (en) * 2012-08-21 2012-12-19 孔超 H-shaped supporting pile made of prefabricated reinforced concrete
CN103205974A (en) * 2013-04-17 2013-07-17 杨众 Supporting structure with combination of preheated groove-shaped piles and mixing piles
CN103628470A (en) * 2013-11-20 2014-03-12 河南大学 Prefabricated variable cross-section reinforced concrete H-shaped pile
CN104631436A (en) * 2015-02-05 2015-05-20 福州大学 Method for improving integral type bridge abutment sustaining pile stress performance by H-shaped concrete pile
CN109914431A (en) * 2019-04-08 2019-06-21 中国铁建大桥工程局集团有限公司 A kind of novel prefabrication cast-in-place combination Row Piles Supporting Structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102828503A (en) * 2012-08-21 2012-12-19 孔超 H-shaped supporting pile made of prefabricated reinforced concrete
CN103205974A (en) * 2013-04-17 2013-07-17 杨众 Supporting structure with combination of preheated groove-shaped piles and mixing piles
CN103205974B (en) * 2013-04-17 2016-08-10 杨众 The supporting construction that pregroove stake is combined with mixing pile
CN103628470A (en) * 2013-11-20 2014-03-12 河南大学 Prefabricated variable cross-section reinforced concrete H-shaped pile
CN104631436A (en) * 2015-02-05 2015-05-20 福州大学 Method for improving integral type bridge abutment sustaining pile stress performance by H-shaped concrete pile
CN109914431A (en) * 2019-04-08 2019-06-21 中国铁建大桥工程局集团有限公司 A kind of novel prefabrication cast-in-place combination Row Piles Supporting Structure

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