CN102828503A - H-shaped supporting pile made of prefabricated reinforced concrete - Google Patents
H-shaped supporting pile made of prefabricated reinforced concrete Download PDFInfo
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- CN102828503A CN102828503A CN2012103050304A CN201210305030A CN102828503A CN 102828503 A CN102828503 A CN 102828503A CN 2012103050304 A CN2012103050304 A CN 2012103050304A CN 201210305030 A CN201210305030 A CN 201210305030A CN 102828503 A CN102828503 A CN 102828503A
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Abstract
An H-shaped supporting pile made of prefabricated reinforced concrete comprises an H-shaped hoop and an H-shaped standard reinforced concrete pile section, wherein the H-shaped hoop is formed by a steel reinforcement framework, provided with an H-shaped section and comprises a vertical stirrup, a triangle frame hoop and an 'S'-shaped stirrup, the bottom edges of the triangle frame hoop are connected with a plurality of main reinforcement ribs longitudinally, the inner side of the 'S'-shaped stirrup is connected with longitudinal inner reinforcement ribs longitudinally, wedge-shaped recesses are arranged on both the left and the right side of the H-shaped hoop, and two ends of the H-shaped standard reinforced concrete pipe section are provided with pile head portions. The H-shaped supporting pile is provided with the optimum section characters of a horizontal force resistant pipe for bearing side earth pressure, and the steel reinforcement ribs and concrete can be obviously saved; industrialized production of shaped commercial piles is realized, pile sinking efficiency is improved, and labor force is reduced; and construction of high-pressure spinning spraying piles between every two piles is realized, anti-seepage probability is improved since cement slurry sprayed by the high-pressure spinning spraying piles is restrained by the H-shaped section.
Description
Technical field
The present invention relates to a kind of pile foundation of civil construction project; Especially relate to a kind of soldier pile that deep-foundation pit engineering can bear higher horizontal lateral earth pressure that is used for, in the bracing of foundation pit 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 adopt bored pile or tube-sinking cast-in-situ pile usually, 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 accomplish, can be excavated foundation trench after also need making this present walling pile concrete reach 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 low characteristic of squeezing soil nature again, and it is relatively poor that the mechanical characteristic of horizontal lateral earth pressure is born in its cross section, is unfavorable for practicing thrift building resource; Secondly, the drilling slurry discharging of said 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,, often adopt cement mixing pile or high-pressure rotary jet grouting pile overlap joint, because of not linking to each other, so the seepage probability is higher with fender post at fender post outside construction seepage proof curtain.
Summary of the invention
Technical problem to be solved by this invention is exactly to provide a kind of to have
and squeeze soil nature characteristic and bear horizontal lateral earth pressure and can practice thrift building resource, reduce the I-shaped soldier pile of prefabricated reinforced concrete of base pit engineering cost to the present situation of above-mentioned prior art.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be: the I-shaped soldier pile of a kind of prefabricated reinforced concrete; Comprise a standard pile cutoff, it is characterized in that: the cross section profile of I-shaped stake of I-shaped hoop and the steel bar concrete of I-shaped cross-section is made up of and is had to this standard pile cutoff 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 of symmetric arrangement, with said two vertical stirrups between in the middle part of the serpentine stirrup that is connected;
The said base of triangle frame hoop up and down vertically is connected with many main muscle;
Interior reinforcing bar is indulged in vertically being symmetrically connected with of two inboards of said serpentine stirrup, fixes with group's bundle or spot welding between reinforcing bar and the said serpentine stirrup in this is vertical.
Technique scheme constitute the I-shaped soldier pile of prefabricated reinforced concrete of the present invention the I-section have low characteristic of squeezing soil nature, it is better that the mechanical characteristic of horizontal lateral earth pressure is born in its cross section, helps practicing thrift building resource and reduce the base pit engineering cost; Have batch production again and produce commodity stake advantage.
The demoulding for ease, as preferably, the left and right sides of said 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.
Said 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, are linked to be the closed structure by reinforcing bar weldering again between these the two blocks pad steel plates.
Said main muscle passes said I-shaped hoop and welds with said pad steel plate; This I-shaped hoop is fixed by arranging requirement and said main muscle group's bundle or spot welding.
Carrying for ease, as preferably, said 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 said standard pile cutoff, preferred as further, said pile end plate is provided with the welding groove, and this groove is with docking full weld between the said standard pile cutoff, and four jiaos behind this butt joint 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, preferred as further, the size that adopts different cross section is also through 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 that 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 said steel bar concrete; Wherein:, as preferably, the high-pressure rotary jet grouting pile that tower that two antiseepages use connects is set between the said standard pile cutoff for the individual layer basement foundation ditch; For one deck to two layer basement foundation ditch,, single said high-pressure rotary jet grouting pile is set between the said standard pile cutoff as preferably; For two layers to three layers basement foundation ditch, as preferably, the double grafting of said standard pile cutoff arranges that said high-pressure rotary jet grouting pile is arranged between this standard pile cutoff.
In order to expand the scope of application of the present invention, as preferably, said standard pile cutoff bottom connects a steel bar concrete shoe or connects the part long joining section of a said standard pile cutoff.
The present invention compared with prior art, its advantage is: one of which, 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 40~50% reinforcing bars and 30~40% concretes again, have remarkable economical and technological skill really; Its two, realize that batch production produces the stake of typing 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 accomplish the fender post construction, is again the construction technology of no 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, because of the high-pressure rotary-spray cement paste receives the constraint of I-section, thereby can improve the antiseep probability.
Description of drawings
Fig. 1 is the upright I-section of a present invention cage of reinforcement lateral view;
Fig. 2 is the lateral view of the upright I-section of the present invention;
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 a spreading sketch map of the present invention;
Fig. 6 is connected sketch map for the present invention with shoe;
Fig. 7 is connected sketch map for the present invention with the part long joining section of standard pile cutoff;
Fig. 8 is the C-C sectional drawing of Fig. 4;
Fig. 9 is a steel bar concrete shoe sketch map;
Figure 10 is the D-D sectional drawing of Fig. 9;
Figure 11 is applicable to individual layer basement foundation ditch antiseepage sketch map for the present invention;
Figure 12 is applicable to 1~2 layer of basement foundation ditch antiseepage sketch map for the present invention;
Figure 13 is applicable to 2~3 layers of basement foundation ditch antiseepage sketch map for the present invention;
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 to Figure 13 illustrates an embodiment of the invention, 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 made up 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 upper and lower triangular in shape 61 that link to each other and symmetric arrangement, with said two vertical stirrups between the serpentine stirrup 7 that is connected of middle part, many main muscle 4 vertically arranging along said triangle frame muscle base and two form with the interior reinforcing bar 5 of indulging that said serpentine stirrup symmetric arrangement vertically is connected again;
Many main muscle 4 pass I-shaped hoop 6 up and down, and with 8 welding of the pad steel plate 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 again helps bundle or spot welding to fix with I-shaped hoop 6; Fix with group's bundle or spot welding between reinforcing bar 5 and the serpentine stirrup 7 in vertical; Imbed on request and fixing suspension ring 3, accomplish whole making of cage of reinforcement.
The left and right sides in said 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, and is as shown in Figure 3; This be convenient to concrete build the back two side wedge shapes conveniently stripped;
In the 10 bottom welded reinforcement concrete shoes 14 of standard pile cutoff, perhaps be connected, like Fig. 6, shown in 7 with the part long joining section 17 of standard pile cutoff;
Fig. 8 is the C-C section of Fig. 4, and main muscle 4 and stake stake termination parts 20 welding sketch mapes are shown;
The spreading of standard pile cutoff 10 illustrates like 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, and is 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 back of standard pile cutoff to generate; 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 of adopting 14, reinforcing bar 141 configuration structures of this rectangle shoe shown in it;
Wherein, Figure 11 is applicable to the individual layer 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 two layer basement foundation ditch, 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 through this high-pressure rotary jet grouting pile 12 are bonded into integral body between the standard pile cutoff 10 of double grafting.
The present invention can give 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 batch production again and produce commodity stake advantage, and be easy to realize standardization, generalization and the seriation of prefabricated reinforced concrete worker shape soldier pile of the present invention, to realize remarkable lift technique and economic effect.
Claims (10)
1. the I-shaped soldier pile of prefabricated reinforced concrete comprises a standard pile cutoff (10), it is characterized in that: the cross section profile of I-shaped stake of I-shaped hoop (6) and the steel bar concrete of I-shaped cross-section is made up of and is had to this standard pile cutoff (10) 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 symmetric arrangement, with said two vertical stirrups between in the middle part of the serpentine stirrup (7) that is connected;
The said base of triangle frame hoop (61) up and down vertically is connected with many main muscle (4);
Interior reinforcing bar (5) is indulged in vertically being symmetrically connected with of two inboards of said serpentine stirrup (7), fixes with group's bundle or spot welding between reinforcing bar and the said serpentine stirrup (7) in this is vertical.
2. according to the I-shaped soldier pile of the said prefabricated reinforced concrete of claim 1, it is characterized in that: the left and right sides of said I-shaped hoop (6) all has wedge-shape notch, and the ratio of this wedge shape gradient is 1 to 3.
3. according to the I-shaped soldier pile of the said prefabricated reinforced concrete of claim 1; It is characterized in that: said standard pile cutoff (10) both ends are provided with a termination parts (20); These termination parts comprise that upper and lower two " ∏ " font pile end plates (2) and inboard thereof respectively weld a pad steel plate (8), are linked to be the closed structure by reinforcing bar (9) weldering again between these two pads steel plates (8).
4. according to the I-shaped soldier pile of the said prefabricated reinforced concrete of claim 3, it is characterized in that: said main muscle (4) passes said I-shaped hoop (6) and welds with said pad steel plate (8); Prick or spot welding is fixed by requirement and said main muscle (4) group by arranging for this I-shaped hoop.
5. according to the I-shaped soldier pile of the said prefabricated reinforced concrete of claim 3, it is characterized in that: said standard pile cutoff (10) is provided with suspension ring (3) near the position of stake end.
6. according to the I-shaped soldier pile of the said prefabricated reinforced concrete of claim 3, it is characterized in that: said pile end plate (2) is provided with welding groove (16), and this groove is with docking full weld between the said standard pile cutoff (10), and four jiaos behind this butt joint full weld are pasted leg steel (15) again.
7. according to the I-shaped soldier pile of the said prefabricated reinforced concrete of claim 6, it is characterized in that: said standard pile cutoff (10) bottom connects a steel bar concrete shoe (14) or connects the part long joining section (17) of a said standard pile cutoff.
8. according to the I-shaped soldier pile of the said prefabricated reinforced concrete of claim 7, it is characterized in that: the high-pressure rotary jet grouting pile (13) that tower that two antiseepages use connects is set between the said standard pile cutoff (10).
9. the I-shaped soldier pile of said according to Claim 8 prefabricated reinforced concrete is characterized in that: single high-pressure rotary jet grouting pile (12) is set between the said standard pile cutoff (10).
10. according to the I-shaped soldier pile of the said prefabricated reinforced concrete of claim 9, it is characterized in that: the double grafting of said standard pile cutoff (10) is arranged, and between this standard pile cutoff (10) said high-pressure rotary jet grouting pile (12) is set.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103061334A (en) * | 2013-01-08 | 2013-04-24 | 孔超 | I-section prestressed reinforced concrete support pile by centrifugal pouring |
CN103590398A (en) * | 2013-11-20 | 2014-02-19 | 孔超 | Prestressed reinforced concrete H-shaped support pile based on pre-tensioning method |
CN105863148A (en) * | 2016-05-28 | 2016-08-17 | 河南宝润机械有限公司 | Double rebar rings shaped like Arabic numeral eight and prefabricated block |
CN107299636A (en) * | 2017-07-11 | 2017-10-27 | 臧金龙 | A kind of I-shaped support pile of pretensioned prestressing high-strength concrete |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103061334A (en) * | 2013-01-08 | 2013-04-24 | 孔超 | I-section prestressed reinforced concrete support pile by centrifugal pouring |
CN103061334B (en) * | 2013-01-08 | 2015-06-17 | 孔超 | I-section prestressed reinforced concrete support pile by centrifugal pouring |
CN103590398A (en) * | 2013-11-20 | 2014-02-19 | 孔超 | Prestressed reinforced concrete H-shaped support pile based on pre-tensioning method |
CN105863148A (en) * | 2016-05-28 | 2016-08-17 | 河南宝润机械有限公司 | Double rebar rings shaped like Arabic numeral eight and prefabricated block |
CN107299636A (en) * | 2017-07-11 | 2017-10-27 | 臧金龙 | A kind of I-shaped support pile of pretensioned prestressing high-strength concrete |
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Application publication date: 20121219 |