CN101294382B - Deep foundation pit steel reinforced concrete fender post, producing and embedding method thereof - Google Patents
Deep foundation pit steel reinforced concrete fender post, producing and embedding method thereof Download PDFInfo
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- CN101294382B CN101294382B CN2008100590501A CN200810059050A CN101294382B CN 101294382 B CN101294382 B CN 101294382B CN 2008100590501 A CN2008100590501 A CN 2008100590501A CN 200810059050 A CN200810059050 A CN 200810059050A CN 101294382 B CN101294382 B CN 101294382B
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Abstract
The invention provides a deep foundation pit reinforced concrete supporting pile. One side of a web is connected with a flange I, a thickened section is arranged at one end of the web, a connecting and fixing part is arranged on the thickened section, and a steel strand is internally and vertically buried on the other side of the web. The manufacturing and the installing methods of the deep foundation pit reinforced concrete supporting pile include the steps as follows: a combined steel reinforcement cage composed of a web-shaped cage body part, a flange I-shaped cage body part and a thickened section cage body part arranged at one end part of the web-shaped cage body part is formed, the web-shaped cage body part is vertically provided with the steel strand on one side, and the thickened section cage body part is provided with the connecting and fixing part. A combined form composed of a monolithic moving side form and a fixed bottom form is adopted, and the deep foundation pit reinforced concrete supporting pile with the web and the flange I is made through pouring concrete after the combined steel reinforcement cage is positioned into the combined form; a connecting plate with two ends opened with through holes is made; a pile driver is used for pressing the first pile into the ground in a way that the thickened section faces upwards, when the top end is close to the ground,the second pile is abutted with the first pile through the connecting plate in a manner that the thickened section faces downwards and the flange I faces upwards, so as to press the second pile into the ground.
Description
Technical field
The present invention relates to building basement deep pit support fender pile and manufacturing thereof and method of installation.
Background technology
Deep foundation pit support is than the complex engineering technology in the construction work, in the bigger foundation pit construction of the soft clay area degree of depth, generally all adopt fender post to add the support pattern of support or anchor pole, using maximum fender posts is bored pile, though this type of type has easy construction, safe and reliable, little to surrounding environment influence advantage, but it is very unreasonable as the bending resistance component section form, and waste of material is serious; And a large amount of mud that this class stake produces in the pile anchoring construction, contaminated environment, mud emission expense height, thereby overall cost height.Prefabricated steel bar concrete abnormity fender post proposes for these shortcomings that solve castinplace pile just, although the stake of plain bars concrete T shape also has application report in the past, but because of a lot of problems in its making, transportation, the construction do not have fine solution, and its section form of T shape stake of whole is unreasonable, therefore now makes no public appearances substantially.
Summary of the invention
The present invention will solve present deep foundation pit fender post and adopt the bored pile waste of material, the cost height, problems such as contaminated environment, and adopt its making of whole RC T shape stake, transportation, construction all to compare difficulty, cross section and the irrational problem of arrangement of reinforcement, the manufacturing and the method for installation of a kind of deep foundation pit steel reinforced concrete fender post of the present invention, this stake are provided for this reason, this stake and castinplace pile specific energy are mutually saved steel more than 60%, saving concrete more than 50%, cost reduces more than 50%, and it is easily manufactured, speed of application is fast, and is little to surrounding environment influence.
For addressing the above problem, the technical solution used in the present invention comprises the manufacturing and the method for installation of described deep foundation pit steel reinforced concrete fender post and this stake.
The technical scheme of deep foundation pit steel reinforced concrete fender post of the present invention is to have web, web one side is connected with edge of a wing I, its special character is that the web of pile body one end has the thick section, and this thick section is provided with and is connected and fixed part, vertically is embedded with steel strand in the web opposite side.
Described web opposite side can be connected with the edge of a wing II of width less than described edge of a wing I, and forming cross section is the stake of " worker " shape.
The described part that is connected and fixed can be:
The length that is parallel to the thick section thickness direction that is embedded in described thick section in advance is equivalent to the steel pipe of thick section thickness;
Also can be:
The length that is parallel to the thick section thickness direction that is embedded in described thick section is equivalent to the steel pipe and the pre-embedded steel slab that is positioned at both sides, described thick section of thick section thickness, has through hole on the pre-embedded steel slab corresponding to described steel pipe.
Can on the described web and the edge of a wing, be provided with fin in the compartment of terrain.
Curved stretching reaches in edge of a wing I place in described steel strand one end or two ends.
Fender post of the present invention comprises that cross section is "T"-shaped and " worker " shape.
The set part that is connected and fixed on the described thick section, a stake epimere stake and a hypomere stake end jaggy with two basic inventions when being used for pile anchoring oppositely dock, oppositely butt joint is meant that the edge of a wing I of epimere stake is towards a direction, this direction pit foundation dorsad during pile anchoring, the edge of a wing I of hypomere stake is towards other direction, this direction is towards pit foundation during pile anchoring, with corresponding with the bending moment direction of stake, makes edge of a wing I all the time as the pressure zone of flexural member.
Vertically be embedded with steel strand in the described web opposite side, purpose is to reduce significantly the main muscle steel using amount of stake as flexural member; For simplifying the manufacture craft of stake, reduce manufacturing cost, steel strand can adopt non-prestressed steel strand, and this is that its crack width and amount of deflection need not to satisfy the pertinent regulations of " reinforced concrete structure design specifications " because fender post is a temporary structure.
The present invention is the stake of " worker " shape for cross section, vertically is embedded with non-prestressed steel strand in the described web opposite side, and also promptly these steel strand are positioned at edge of a wing II.
The manufacturing of deep foundation pit steel reinforced concrete fender post of the present invention and method of installation, comprise and roll reinforcing cage, formwork, disturbing concrete, maintenance, the demoulding, pile transport, piling, what it was special is that the described reinforcing cage of rolling is for rolling combined type reinforcing bar cage, the described combined type reinforcing bar cage of rolling is to roll by web shape cage body portion, the combined type reinforcing bar cage that the thick section cage body portion with breach of edge of a wing I shape cage body portion and described web shape cage body portion one end is combined to form, the breach of described thick section cage body portion is towards this thick section cage body portion end face and the breach of the direction of edge of a wing I shape cage body portion dorsad, the edge of a wing I shape cage body portion of described combined type reinforcing bar cage is connected in described web shape cage body portion one side, described web shape cage body portion and edge of a wing I shape cage body portion are provided with corresponding stirrup and longitudinal reinforcement, described web shape cage body portion longitudinally is provided with steel strand in a side of described edge of a wing I shape cage body portion dorsad, is provided with in the cage body portion of described thick section and is connected and fixed part; What described formwork adopted is the combined type template, and described combined type template is the combination of integral translation formula side form and fixed bed die; Place fluid concrete behind the combined type reinforcing bar cage in the described combined type template, after maintenance, the demoulding, make deep foundation pit steel reinforced concrete fender post with edge of a wing I that web and this web one side connected; Make two ends and have cooperating and be fixedly coupled plate of through hole with the described part that is connected and fixed; Described piling is to have an end of described breach oppositely to dock two described steel reinforced concrete fender posts with pile press to be pressed in the soil, with two described steel reinforced concrete fender posts oppositely butt joint to be pressed in the soil be up to be pressed in soil with its described thick section jaggy first pile of two described steel reinforced concrete fender posts with pile press, when supreme termination is near the ground, second pile is butted up against described first pile down and oppositely with its thick section jaggy, and the edge of a wing I that makes second pile during butt joint and the edge of a wing I of first pile are towards opposite; The described part that is connected and fixed that described junction plate is connected to its two ends on the thick section of described two piles connects two piles, after the grouting, described second pile is pressed in the soil in the gap of two seams.
The present invention can be connected with the edge of a wing II shape cage body portion of width less than described edge of a wing I shape cage body portion at the opposite side of the web shape cage body portion of described combined type reinforcing bar cage.
The part that is connected and fixed of the present invention can be:
The length that is parallel to the thick section thickness direction that is embedded in described thick section in advance is equivalent to the steel pipe of thick section thickness;
Also can be:
The length that is parallel to the thick section thickness direction that is embedded in described thick section is equivalent to the steel pipe and the pre-embedded steel slab that is positioned at both sides, described thick section of thick section thickness, has through hole on the pre-embedded steel slab corresponding to described steel pipe;
Described junction plate sheet material can be steel plate, channel-section steel or angle steel.
For simplifying the manufacture craft of stake, reduce manufacturing cost, steel strand can adopt non-prestressed steel strand.
Described integral translation formula side form is that being positioned on the ground of adopting that full steel structure makes can the free shift formwork and the side form of the demoulding, the main framing of this side form inboard is made the flute profile main framing, this flute profile main framing double as web fin mould makes described web have fin, top tie rod between the two relative side forms is made the flute profile tie rod, and this flute profile tie rod double as edge of a wing I fin mould makes described edge of a wing I have fin.
Can in the gap between described fin and soil and the pile body, inject mud or water, the friction when reducing piling between pile body and soil layer during piling with this.
Formwork of the present invention also comprises the template of described thick section breach with template.
Deep foundation pit steel reinforced concrete fender post of the present invention is not only saved concrete material greatly, and has been reduced the influence of the soil compaction that piling produced to surrounding enviroment owing to adopt the cross section of thin-walled T shape or I font, has accelerated speed of application; Owing to replace plain bars with high strength steel strand, its main muscle steel using amount declines to a great extent again; Also because the web of pile body one end has the thick section, and this thick section is provided with and is connected and fixed part, thus pile body can divide two sections prefabricated, help making, transportation and construction, be reduced to simultaneously satisfy the requirement of stake transporting and hoisting arrangement of reinforcement; During piling of the present invention two piles of the present invention are oppositely docked by being connected and fixed part, make it meet a requirement of last hypomere bending moment break-in, make the stressed optimization in cross section; The compartment of terrain is provided with the present invention of fin on the web and the edge of a wing, can increase the rigidity and the intensity on the web and the edge of a wing, can inject mud or water in the space between fin simultaneously when the piling of sand soil layer, to reduce stake and native frictional force, pile driving pressure is reduced greatly.
Description of drawings
Fig. 1 is a deep foundation pit steel reinforced concrete fender post perspective view of the present invention;
Fig. 2 is a deep foundation pit steel reinforced concrete fender post plane structure schematic diagram of the present invention;
Fig. 3 is a deep foundation pit steel reinforced concrete fender post end construction schematic diagram of the present invention;
Fig. 4 is Fig. 3 A-A sectional view;
Fig. 5 is the another schematic diagram of deep foundation pit steel reinforced concrete fender post end construction of the present invention;
Fig. 6 is that deep foundation pit steel reinforced concrete fender post end end of the present invention oppositely docks schematic diagram;
Fig. 7 is the junction plate schematic diagram among the present invention;
Fig. 8 is the deep foundation pit steel reinforced concrete fender post schematic cross-section of the present invention with edge of a wing II;
Fig. 9 is a mud grouting schematic diagram between stake and soil;
Figure 10 is a formwork of the present invention mould schematic diagram.
The specific embodiment
Embodiment one
A kind of deep foundation pit steel reinforced concrete fender post, has web 2, web one side is connected with edge of a wing I1, the web opposite side is connected with the edge of a wing II3 of width less than described edge of a wing I, vertically be provided with reinforcing bar 10 on web and the edge of a wing I, the web of pile body one end has thick section 7, and this thick section is provided with and is connected and fixed part, and this is connected and fixed part and is: the length that is parallel to the thick section thickness direction that is embedded in described thick section in advance is equivalent to the steel pipe 8 of thick section thickness; Vertically be embedded with non-prestressed steel strand 6 in the web opposite side, these non-prestressed steel strand also are positioned at edge of a wing II3 middle part, and curved stretching reaches in edge of a wing I place in non-prestressed steel strand two ends; The compartment of terrain is provided with fin 4 on the web and the edge of a wing.
Embodiment two
The manufacturing of deep foundation pit steel reinforced concrete fender post and method of installation, comprise and roll reinforcing cage, formwork, fluid concrete, the demoulding, support the room, piling, pile transport, the described reinforcing cage of rolling is for rolling combined type reinforcing bar cage, the described combined type reinforcing bar cage of rolling is to roll by web 2 shape cage body portions, the combined type reinforcing bar cage of the combination of the 7 cage body portions of the thick section with breach 71 of edge of a wing I1 shape cage body portion and described web shape cage body portion one end, the breach 71 of described thick section cage body portion is towards this thick section cage body portion end face and the breach of the direction of edge of a wing I1 shape cage body portion dorsad, the edge of a wing I1 shape cage body portion of described combined type reinforcing bar cage is connected in described web 2 shape cage body portions one side, described web 2 shape cage body portions and edge of a wing I1 shape cage body portion are provided with corresponding stirrup 11 and longitudinal reinforcement 10, described web 2 shape cage body portions longitudinally are provided with non-prestressed steel strand 6 in a side of described edge of a wing I1 shape cage body portion dorsad, be provided with in the cage body portion of described thick section and be connected and fixed part, the described part that is connected and fixed is: the length that is parallel to the thick section thickness direction that is embedded in described thick section in advance is equivalent to the steel pipe 8 of thick section thickness, or: the length that is parallel to the thick section thickness direction that is embedded in described thick section is equivalent to the steel pipe 8 and the pre-embedded steel slab 5 that is positioned at both sides, described thick section of thick section thickness, has through hole 51 on the pre-embedded steel slab corresponding to described steel pipe; What described formwork adopted is the combined type template, and described combined type template is the combination of integral translation formula side form 13 and fixed bed die 14; Described combined type reinforcing bar cage behind described combined type template formwork fluid concrete, the demoulding, support the room, make deep foundation pit steel reinforced concrete fender post with edge of a wing I1 that web 2 and this web one side connected; Make two ends and have cooperating and be fixedly coupled plate 9 of through hole 91 with the described part that is connected and fixed; Described piling is with pile press two described steel reinforced concrete fender post end ends oppositely to be docked to be pressed in the soil, with two described steel reinforced concrete fender post end ends oppositely butt joint to be pressed in the soil be up to be pressed in soil with its described thick section 7 first pile of two described steel reinforced concrete fender posts with pile press, 7 during near ground to the thick section, second pile is butted up against described first pile down and oppositely with its thick section 7, the edge of a wing I that makes second pile during butt joint and the edge of a wing I of first pile are towards opposite, with two junction plate 9 clampings in joint, shown in Figure 6, pass through hole and the steel pipe 8 that connects steel plate 9 with bolt, use nut fastening again, connecting steel plate in case of necessity connects with the pre-embedded steel slab welding, two piles are connected, more described second pile is pressed in the soil.
Embodiment three
The manufacturing of this routine deep foundation pit steel reinforced concrete fender post and method of installation, what be different from example two is that described integral translation formula side form is that being positioned on the ground of adopting that full steel structure makes can the free shift formwork or the side form of the demoulding, the main framing of this side form inboard is made flute profile main framing 131, these flute profile main framing double as web 2 fin moulds make described web have fin 4, top tie rod between the two relative side forms is made flute profile tie rod 12, and this flute profile tie rod double as edge of a wing I1 fin mould makes described edge of a wing I have fin 4; Other step is identical with example two, in addition, injects mud or water in the gap during piling between described fin and soil and pile body, the frictional resistance during with the minimizing piling between pile body and soil layer.
Embodiment four
The manufacturing of this routine deep foundation pit steel reinforced concrete fender post and method of installation, the opposite side of the web 2 shape cage body portions of described combined type reinforcing bar cage, be connected with the edge of a wing II3 shape cage body portion of width, make the pile body cross section become " worker " shape less than described edge of a wing I shape cage body portion; Other step is identical with example three.
Claims (5)
1. the manufacturing of deep foundation pit steel reinforced concrete fender post and method of installation, comprise and roll reinforcing cage, formwork, disturbing concrete, maintenance, the demoulding, pile transport, piling, it is characterized in that the described reinforcing cage of rolling is for rolling combined type reinforcing bar cage, the described combined type reinforcing bar cage of rolling is to roll by web (2) shape cage body portion, the combined type reinforcing bar cage that thick section with breach (71) (7) the cage body portion of edge of a wing I (1) shape cage body portion and described web shape cage body portion one end is combined to form, the breach (71) of described thick section cage body portion is towards this thick section cage body portion end face and the breach of the direction of edge of a wing I (1) shape cage body portion dorsad, edge of a wing I (1) the shape cage body portion of described combined type reinforcing bar cage is connected in described web (2) shape cage body portion one side, described web (2) shape cage body portion and edge of a wing I (1) shape cage body portion are provided with corresponding stirrup (11) and longitudinal reinforcement (10), described web (2) shape cage body portion longitudinally is provided with steel strand (6) in a side of described edge of a wing I (1) shape cage body portion dorsad, is provided with in the cage body portion of described thick section and is connected and fixed part; What described formwork adopted is the combined type template, and described combined type template is the combination of integral translation formula side form (13) and fixed bed die (14); Place fluid concrete behind the combined type reinforcing bar cage in the described combined type template, after maintenance, the demoulding, make the deep foundation pit steel reinforced concrete fender post of the edge of a wing I (1) that have web (2) and this web one side connected; Make two ends and have cooperating and be fixedly coupled plate (9) of through hole (91) with the described part that is connected and fixed; Described piling is to have an end of described breach oppositely to dock two described steel reinforced concrete fender posts with pile press to be pressed in the soil, with two described steel reinforced concrete fender posts oppositely butt joint to be pressed in the soil be up to be pressed in soil with its described thick section jaggy (7) first pile of two described steel reinforced concrete fender posts with pile press, when supreme termination is near the ground, second pile is butted up against described first pile down and oppositely with its thick section jaggy (7), and the edge of a wing I that makes second pile during butt joint and the edge of a wing I of first pile are towards opposite; The described part that is connected and fixed that described junction plate (9) is connected to its two ends on the thick section of described two piles connects two piles, after the grouting, described second pile is pressed in the soil in the gap of two seams.
2. the manufacturing of deep foundation pit steel reinforced concrete fender post as claimed in claim 1 and method of installation, the opposite side that it is characterized in that web (2) the shape cage body portion of described combined type reinforcing bar cage is connected with edge of a wing II (3) the shape cage body portion of width less than described edge of a wing I shape cage body portion.
3. the manufacturing of deep foundation pit steel reinforced concrete fender post as claimed in claim 1 or 2 and method of installation is characterized in that the described part that is connected and fixed is:
The length that is parallel to the thick section thickness direction that is embedded in described thick section in advance is equivalent to the steel pipe (8) of thick section thickness;
Or:
The length that is parallel to the thick section thickness direction that is embedded in described thick section is equivalent to the steel pipe (8) of thick section thickness and is positioned at the pre-embedded steel slab (5) of both sides, described thick section, has through hole (51) on the pre-embedded steel slab corresponding to described steel pipe;
Described junction plate (9) sheet material is steel plate, channel-section steel or angle steel;
Described steel strand are non-prestressed steel strand.
4. the manufacturing of deep foundation pit steel reinforced concrete fender post as claimed in claim 1 or 2 and method of installation, it is characterized in that described integral translation formula side form is that being positioned on the ground of adopting that full steel structure makes can the free shift formwork and the side form of the demoulding, the main framing of this side form inboard is made flute profile main framing (131), this flute profile main framing double as web (2) fin mould makes described web have fin (4), top tie rod between the two relative side forms is made flute profile tie rod (12), and this flute profile tie rod double as edge of a wing I (1) fin mould makes described edge of a wing I have fin (4).
5. the manufacturing of deep foundation pit steel reinforced concrete fender post as claimed in claim 4 and method of installation inject mud or water (16) in the gap when it is characterized in that piling between described fin and soil and pile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100590501A CN101294382B (en) | 2008-01-09 | 2008-01-09 | Deep foundation pit steel reinforced concrete fender post, producing and embedding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100590501A CN101294382B (en) | 2008-01-09 | 2008-01-09 | Deep foundation pit steel reinforced concrete fender post, producing and embedding method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101294382A CN101294382A (en) | 2008-10-29 |
| CN101294382B true CN101294382B (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100590501A Expired - Fee Related CN101294382B (en) | 2008-01-09 | 2008-01-09 | Deep foundation pit steel reinforced concrete fender post, producing and embedding method thereof |
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| Country | Link |
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| CN (1) | CN101294382B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852142B (en) * | 2012-08-15 | 2016-03-09 | 杨众 | A kind of pretensioned prestressing fender post |
| CN104727311B (en) * | 2013-08-26 | 2016-08-24 | 中冶天工集团有限公司 | Based on the shaped pile construction method of bored concrete pile under circular cross section soil layer |
| CN105019472B (en) * | 2015-07-14 | 2017-01-18 | 周兆弟 | Composite fender pile for building basement |
| CN105133602B (en) * | 2015-07-27 | 2017-04-05 | 周兆弟 | The basement structure connected with fender post |
| CN105133603A (en) * | 2015-07-27 | 2015-12-09 | 周兆弟 | Fender post suitable for building basement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2256001Y (en) * | 1994-01-06 | 1997-06-11 | 卫龙武 | Reusable steel-bar cage with pre-stressed bars |
| JP2002129537A (en) * | 2000-08-18 | 2002-05-09 | Sei Hosokawa | Concrete sheet pile, repair method for existing water channel using sheet pile, and its repair construction, and water channel construction using sheet pile |
| JP2005256402A (en) * | 2004-03-11 | 2005-09-22 | Nishimatsu Constr Co Ltd | Coupled steel pipe sheet pile and steel pipe sheet pile coupling structure |
| CN101078216A (en) * | 2007-04-25 | 2007-11-28 | 严平 | Method for embedding cement purdah into prefabricated reinforced concrete anti-lateral-force pile |
| CN201137076Y (en) * | 2007-12-17 | 2008-10-22 | 杨峰 | Deep pit reinforced concrete guard post |
-
2008
- 2008-01-09 CN CN2008100590501A patent/CN101294382B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2256001Y (en) * | 1994-01-06 | 1997-06-11 | 卫龙武 | Reusable steel-bar cage with pre-stressed bars |
| JP2002129537A (en) * | 2000-08-18 | 2002-05-09 | Sei Hosokawa | Concrete sheet pile, repair method for existing water channel using sheet pile, and its repair construction, and water channel construction using sheet pile |
| JP2005256402A (en) * | 2004-03-11 | 2005-09-22 | Nishimatsu Constr Co Ltd | Coupled steel pipe sheet pile and steel pipe sheet pile coupling structure |
| CN101078216A (en) * | 2007-04-25 | 2007-11-28 | 严平 | Method for embedding cement purdah into prefabricated reinforced concrete anti-lateral-force pile |
| CN201137076Y (en) * | 2007-12-17 | 2008-10-22 | 杨峰 | Deep pit reinforced concrete guard post |
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| Publication number | Publication date |
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| CN101294382A (en) | 2008-10-29 |
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