CN105649013A - Production process for concrete hollow square pile - Google Patents
Production process for concrete hollow square pile Download PDFInfo
- Publication number
- CN105649013A CN105649013A CN201610096902.9A CN201610096902A CN105649013A CN 105649013 A CN105649013 A CN 105649013A CN 201610096902 A CN201610096902 A CN 201610096902A CN 105649013 A CN105649013 A CN 105649013A
- Authority
- CN
- China
- Prior art keywords
- square pile
- hollow square
- concrete hollow
- concrete
- production technology
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
Abstract
The invention discloses a production process for a concrete hollow square pile. The cross section of the concrete hollow square pile is square, and a central square hole penetrating through the whole concrete hollow square pile is formed in the center of the concrete hollow square pile in the longitudinal axis direction of the concrete hollow square pile. The concrete hollow square pile is made in a centrifugal formation mode. An adopted mold comprises an outer mold body and an inner mold body, wherein the inner mold body is composed of four sub-molds, and gaps are reserved between the sub-molds. By means of the production process for the concrete hollow square pile, the problem that a central hole of a square pile produced through an existing centrifugal method is a round hole is solved, and the wall thickness of the concrete pile is identical.
Description
Technical field
The present invention relates to the improvement of the moulding process of concrete hollow square pile in field of civil engineering or the improvement of the production technology of precast concrete open tubular column.
Background technology
Existing prefabricated concrete hollow square pile mostly adopts centrifugal casting molding, and central authorities are circular hole, forms the cross section of square-outside and round-inside, and the wall thickness of stake differs, and concrete is skewness on cross section, causes concrete waste; And cause that in work progress, rate of loss pile is too high, hide some dangers for the safety of building.
To be the patent disclosure of 2007100685456 a kind of adopts centrifuging to produce the technology of concrete square pile for application number, and this square pile cross-sectional shape is square, and central authorities are circular hole. The forming method of application number a kind of hollow square pile that has been the patent disclosure of 2010102568497, the moulding process mentioning existing pile tube and hollow square pile in application documents is centrifugal forming, pile center's hollow parts shape of centrifugal forming for circular, which discloses a kind of hollow square pile adopting traditional vibrating forming explained hereafter center to have the cross section of square through hole to be square certainly for this.
Summary of the invention
The present invention provides a kind of centrifugal casting to produce the production technology of precast concrete hollow square pile or open tubular column, makes concrete hollow square pile or open tubular column that central authorities are square hole.
The precast concrete hollow square pile production technology that the present invention proposes adopts the moulding prefabricated concrete hollow square pile of centrifugal casting, the cross section of described concrete hollow square pile is square, and along described concrete hollow square pile y direction, has the center square hole running through whole concrete hollow square pile at described concrete hollow square pile center.
Described concrete hollow square pile production technology, comprises the steps: a, prepares reinforcement cage skeleton; B, preparing mould, described mould includes external mold and internal mold, and described internal mold is made up of four submodules, leaves gap between described submodule; C, steel reinforcement cage is arranged in mould; D, prepare concrete and concrete is inserted between external mold and internal mold formed space in; E, put into centrifuge is centrifuged; The demoulding after f, maintenance.
In described concrete hollow square pile production technology, described mould includes external mold and internal mold, and described internal mold is made up of four submodules, leaves gap between described submodule; In the space that described concrete is formed between described external mold and internal mold. When mould concrete filled, the segment space in the gap between internal mold submodule fills out concrete, and when centrifugal forming along with concrete compaction increases, in gap, filled out concrete enters pile lining part, and the wall thickness of stake keeps thickness uniform.
In order to increase the stability of internal mold, reinforcing bar, FRP muscle etc. are set between external mold and internal mold and support.Described support one end is fixed on external mold, and the other end contacts with internal mold, it is prevented that internal mold displacement, deformation during centrifugal forming.
Described external mold and internal mold corner are arc-shaped so that make square pile corner, square hole corner, center be stress relieving arc chord angle; In order to conveniently stripped, inside described external mold, outside internal mold, scribble interleaving agent or concrete retarder.
In order to increase the stability of internal mold, between described submodule, support is set.
In order to increase the stability of internal mold, described internal mold is oppositely arranged and longitudinally expands head groove; It is inserted into pier nose body at described expansion head groove. Pier nose body inserts and expands in head groove, it is possible to fixing internal mold, avoids interior intermode to conjugate when centrifugal; Pier nose body can also limit concrete casting space.
In order to increase the stability of internal mold, described submodule centre arranges cylindrical support body.
Compared with prior art, the present invention adopts centrifugal casting to produce the middle part concrete hollow pile for square hole to the present invention. The component of existing employing centrifugal casting explained hereafter, the hole at middle part is only circular hole. Production technology of the present invention, by arranging internal mold, with the molding of internal mold guiding concrete, produces the concrete hollow pile that middle part is square hole; Hollow pile profile can be circular, it is preferred that for square, and namely adopting invention production technology can be the concrete hollow square pile of square hole with the centrifugal casting production center. Adopt this law production technology also can produce precast concrete column, in the middle part of post, have square hole.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of a kind of embodiment of precast concrete the adopted mould of hollow square pile production technology of the present invention.
Fig. 2 is the schematic cross-section of the another kind of embodiment of precast concrete the adopted mould of hollow square pile production technology of the present invention.
Fig. 3 is the schematic cross-section of the another kind of embodiment of precast concrete the adopted mould of hollow square pile production technology of the present invention.
Fig. 4 is the schematic cross-section of the another kind of embodiment of precast concrete the adopted mould of hollow square pile production technology of the present invention.
Fig. 5 is the schematic cross-section of the another kind of embodiment of precast concrete the adopted mould of hollow square pile production technology of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the precast concrete hollow square pile production technology of the present invention is described in detail.
Concrete hollow square pile production technology of the present invention, the cross section of described concrete hollow square pile is square, and along described concrete hollow square pile y direction, has the center square hole running through whole concrete hollow square pile at described concrete hollow square pile center; It is characterized in that, adopting concrete hollow square pile described in centrifugal casting molding, described production technology comprises the steps: a, prepares reinforcement cage skeleton; B, preparing mould, described mould includes external mold and internal mold, and described internal mold is made up of four submodules, leaves gap between described submodule; C, steel reinforcement cage is arranged in mould; D, prepare concrete and concrete is inserted mould; E, put into centrifuge is centrifuged; The demoulding after f, maintenance.
A kind of schematic cross-section such as Fig. 1 of the embodiment of precast concrete the adopted mould of hollow square pile production technology of the present invention, described mould is columnar mould, and its cross section is as it is shown in figure 1, be made up of external mold 1 and internal mold 2, when making square pile, concrete is filled out between external mold 1 and internal mold 2; Steel reinforcement cage is arranged between external mold 1 and internal mold 2; Mould and centrifugal forming facility 3 are connected (being diagrammatically only by out the cross section of mould in accompanying drawing 1, other parts such as centrifugal forming equipment are not shown, also without the method that concrete regulation concrete is filled into external mold and interior intermode) by supporting;Described external mold 1 and internal mold 2 corner are arc-shaped so that make square pile corner, square hole corner, center be stress relieving arc chord angle. In order to increase the stability of internal mold, arranging the support 4 that steel, fibre reinforced composites etc. make between external mold 1 and internal mold 2, as in figure 2 it is shown, described support 4 one end is fixed on external mold 1, the other end contacts with internal mold 2, is beneficial to extraction internal mold. The internal mold 2 of precast concrete the adopted mould of hollow square pile production technology of the present invention is made up of 4 submodules, has gap, such as Fig. 1 between submodule. In order to increase the stability of internal mold, support 5 is set between submodule, such as Fig. 3. By preset clearance between submodule, be filled into during concrete in part concrete gap between submodule in a mold, during centrifugal forming, along with concrete density increase, between submodule, the concrete in gap enriches the wall thickness place of square pile, it is ensured that molding rear stake uniform wall thickness.
In order to increase the stability of internal mold, limiting the position of internal mold, one implements such as Fig. 4, and described internal mold 2 is made up of 4 submodules, has gap between submodule, arranges cylindrical support body 6 in submodule centre, contacts with submodule; Cylindrical support body 6 conveniently removes submodule, namely during form removal, first extracts cylindrical support body 6 out, then extracts submodule 2 out. In another embodiment, such as Fig. 5, cylindrical support body 6 arranging pier nose body 7, on internal mold 2, relevant position arranges expansion head groove 8 simultaneously, and pier nose body 7 inserts and expands in head groove 8, reaches the purpose of fixing internal mold.
Described knockout course can be divided into two steps, when namely preliminary curing concrete is to relatively low-intensity, extracts internal mold 2 out, treats that concrete reaches predetermined strength and takes off external mold 1 again.
Adopt the technology of the present invention, during centrifugal forming concrete-pile, guided by internal mold 2, the distributing position of confined concrete, form center square hole; When centrifugal forming, square pile corner concrete compaction can be ensured, it is also ensured that square pile each limit concrete compaction, particularly make the wall thickness of stake keep thickness uniform.
Claims (6)
1. a concrete hollow square pile production technology, the cross section of described concrete hollow square pile is square, and along described concrete hollow square pile y direction, has the center square hole running through whole concrete hollow square pile at described concrete hollow square pile center; It is characterized in that, adopting concrete hollow square pile described in centrifugal casting molding, described production technology comprises the steps:
A, prepare reinforcement cage skeleton;
B, preparing mould, described mould includes external mold and internal mold, and described internal mold is made up of four submodules, leaves gap between described submodule;
C, steel reinforcement cage is arranged in mould;
D, prepare concrete and concrete is inserted between external mold and internal mold formed space in;
E, put into centrifuge is centrifuged;
The demoulding after f, maintenance.
2. concrete hollow square pile production technology according to claim 1, it is characterised in that inside described external mold, scribble interleaving agent outside internal mold.
3. concrete hollow square pile production technology according to claim 1, it is characterised in that between described external mold and internal mold, support is set.
4. concrete hollow square pile production technology according to claim 1, it is characterised in that between described submodule, support is set.
5. concrete hollow square pile production technology according to claim 1, it is characterised in that being oppositely arranged between described submodule and longitudinally expand head groove, described expansion head groove is inserted into column pier nose body.
6. concrete hollow square pile production technology according to claim 1, it is characterised in that described submodule centre arranges cylindrical support body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096902.9A CN105649013A (en) | 2016-02-23 | 2016-02-23 | Production process for concrete hollow square pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096902.9A CN105649013A (en) | 2016-02-23 | 2016-02-23 | Production process for concrete hollow square pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105649013A true CN105649013A (en) | 2016-06-08 |
Family
ID=56489734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096902.9A Pending CN105649013A (en) | 2016-02-23 | 2016-02-23 | Production process for concrete hollow square pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105649013A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5829918A (en) * | 1981-08-14 | 1983-02-22 | Nitsukon Kogyo Kk | End plate of prestless concrete column body |
| CN201044969Y (en) * | 2007-04-30 | 2008-04-09 | 上海中技桩业发展有限公司 | Concrete square pile centrifugal forming die |
| CN101302758A (en) * | 2008-07-02 | 2008-11-12 | 大连大金马基础建设有限公司 | Method for processing prestress square pile |
| CN101914914A (en) * | 2010-08-19 | 2010-12-15 | 上海中技桩业股份有限公司 | Concrete pre-stress hollow square pile and molding method thereof |
| KR20110044181A (en) * | 2011-03-21 | 2011-04-28 | 재단법인 포항산업과학연구원 | Manufacturing method of steel-concrete composite pile and a mould to manufacture the pile |
| CN102825658A (en) * | 2012-08-27 | 2012-12-19 | 中淳高科桩业股份有限公司 | Inner/outer die double wall body type steel die for pre-stressed concrete special-shaped pile |
| CN202730747U (en) * | 2012-07-30 | 2013-02-13 | 天津建城基业集团有限公司 | Prestressed concrete hollow square pile and molding die |
| CN202865827U (en) * | 2012-07-20 | 2013-04-10 | 陈建强 | Multi-hole type hollow pile easy to sink |
-
2016
- 2016-02-23 CN CN201610096902.9A patent/CN105649013A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5829918A (en) * | 1981-08-14 | 1983-02-22 | Nitsukon Kogyo Kk | End plate of prestless concrete column body |
| CN201044969Y (en) * | 2007-04-30 | 2008-04-09 | 上海中技桩业发展有限公司 | Concrete square pile centrifugal forming die |
| CN101302758A (en) * | 2008-07-02 | 2008-11-12 | 大连大金马基础建设有限公司 | Method for processing prestress square pile |
| CN101914914A (en) * | 2010-08-19 | 2010-12-15 | 上海中技桩业股份有限公司 | Concrete pre-stress hollow square pile and molding method thereof |
| KR20110044181A (en) * | 2011-03-21 | 2011-04-28 | 재단법인 포항산업과학연구원 | Manufacturing method of steel-concrete composite pile and a mould to manufacture the pile |
| CN202865827U (en) * | 2012-07-20 | 2013-04-10 | 陈建强 | Multi-hole type hollow pile easy to sink |
| CN202730747U (en) * | 2012-07-30 | 2013-02-13 | 天津建城基业集团有限公司 | Prestressed concrete hollow square pile and molding die |
| CN102825658A (en) * | 2012-08-27 | 2012-12-19 | 中淳高科桩业股份有限公司 | Inner/outer die double wall body type steel die for pre-stressed concrete special-shaped pile |
Non-Patent Citations (1)
| Title |
|---|
| 廖振中: "《管桩与机械》", 31 August 2007, 中国矿业大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105818266B (en) | Flute profile board mold and the method for using trough plate Mold Making trough plate | |
| EP2776647B1 (en) | Tower | |
| US9561632B2 (en) | Method for forming an elongate support structure | |
| KR101652943B1 (en) | Reinforced concrete column manufacturing method for high building | |
| CN207277847U (en) | A kind of assembled overlapped shear wall fixing templates | |
| CN103737718B (en) | Prefabricated reinforced concrete hollow column template and preparation method thereof | |
| CN103711065B (en) | Cantilever construction Composite Steel-Concrete Bridges and construction method thereof | |
| CN105729622A (en) | Production process of concrete hollow square pile | |
| CN105751357A (en) | Production process of concrete hollow square pile | |
| CN205588458U (en) | Empty core plate roof beam combination mandrel of narrow and small inner chamber prestressing force | |
| CN208263146U (en) | A kind of mold for formation of concrete tubular pole | |
| CN105649013A (en) | Production process for concrete hollow square pile | |
| CN105649014A (en) | Production process for concrete hollow square pile | |
| CN106836569B (en) | Aluminum alloy concrete combined shear wall with vertical connection | |
| CN105751358A (en) | Production process of concrete hollow square pile | |
| CN105751359A (en) | Production process of concrete hollow square pile | |
| CN105690557A (en) | Production technique for hollow square concrete pile | |
| CN204828974U (en) | Prefabricated pipe of reinforced concrete | |
| CN103072203A (en) | Method and mold for molding precast concrete hollow wall component for concrete-filled laminating | |
| CN105666646A (en) | Concrete hollow square pile production process | |
| CN207656905U (en) | A kind of molding die of prefabricated high-strength concrete bridge pier | |
| CN203684057U (en) | Cantilever construction steel-concrete combined bridge | |
| CN105690540A (en) | Production technique of hollow square concrete pile | |
| CN112873527A (en) | Manufacturing mold and method for supporting pile | |
| CN102975282A (en) | Method for forming unnonuniformly reinforcement-arranged precast pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |