CN103590414A - Structure for connecting concrete tubular pile with bearing platform - Google Patents

Structure for connecting concrete tubular pile with bearing platform Download PDF

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Publication number
CN103590414A
CN103590414A CN201310583167.0A CN201310583167A CN103590414A CN 103590414 A CN103590414 A CN 103590414A CN 201310583167 A CN201310583167 A CN 201310583167A CN 103590414 A CN103590414 A CN 103590414A
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CN
China
Prior art keywords
pile
tubular pile
embedded
bar
anchor bar
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CN201310583167.0A
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Chinese (zh)
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CN103590414B (en
Inventor
严爱国
张池权
蔡建业
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中铁第四勘察设计院集团有限公司
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Priority to CN201310583167.0A priority Critical patent/CN103590414B/en
Publication of CN103590414A publication Critical patent/CN103590414A/en
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Publication of CN103590414B publication Critical patent/CN103590414B/en

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Abstract

The invention belongs to the technical field of building pile foundation project construction, and particularly relates to a structure for connecting a concrete tubular pile with a bearing platform. The structure comprises the foundation bearing platform, the tubular pile, anchor bars and embedded bars, wherein the upper end of the tubular pile is connected with the foundation bearing platform, the upper end of each anchor bar and the lower end of each anchor bar are connected with the foundation bearing platform and the tubular pile respectively, a pile tip plate is arranged on an end face of the tubular pile, a plurality of embedded sleeves are evenly arranged on the portion, inside a tubular pile body, of the bottom portion of the pile tip plate in the circumferential direction, and the bottoms of the anchor bars penetrate through the pile tip plate and are located in the tubular pile and connected with the embedded sleeves. The sleeves are arranged inside the tubular pile, the anchor bars can be connected with the tubular pile only by directly screwing the anchor bars into the sleeves on the construction site, no large amount of manpower or large number of materials need to be input, the structure is convenient and rapid to operate, and the construction efficiency is greatly improved.

Description

The syndeton of a kind of concrete tubular pile and cushion cap
Technical field
The invention belongs to building pile foundation engineering construction technical field, be specifically related to the syndeton of a kind of concrete tubular pile and cushion cap.
Background technology
Prestressed reinforced concrete pipe pile, because of advantages such as it has steady quality, pile strength is high, bearing capacity of single pile is high, cost is low, the construction period is short, the easy assurances of quality, is widely adopted in recent years.Cushion cap is as the force transfer body of pile tube and superstructure, and itself and pile tube be current mainly contains three kinds of connected modes: 1, cushion cap is directly imbedded on pile tube top; 2, on pile tube end face end plate, weld anchor bar; 3, in pile tube, place joint bar and water and fill out core concrete.
All there is defect in above-mentioned three kinds of modes:
The first connected mode easy construction, but its embedment length needs accurate Calculation, embedment length is too short can not meet tensile strength requirement, and embedment length is long can increase cost of investment.
The second connected mode, Site Welding workload is large, reliability is poor and stressed discontinuous, and the plain bars weld seam that anchors into cushion cap is subject to force direction vertical with reinforcing bar, easily causes weld seam to tear inefficacy.
The third connected mode, in national standard drawings 10G409 subtend pile tube, place joint bar pouring and fill out the stricter technical requirements of core concrete proposition, as " pouring is filled out before core concrete, should first pile tube inwall laitance be cleaned out, to adopt inwall brushing cement paste, the measures such as concrete interface agent or employing slightly expanded concrete improve fills out core concrete and the concrete globality of tubular pile body " this point, at building-site, realize more difficult completely, if laitance is not removed totally, cause filling out between core concrete and pile tube inwall of pouring to have interlayer, thereby can not produce good constraint, to workmanship, leave hidden danger, core concrete is filled out in perfusion in addition, need to spend a large amount of manpowers, machinery cooperation, very high to constructor's competency profiling.
Above-mentioned three kinds of connected modes of while are not all suitable for uplift pile or bear the stake of larger moment of flexure.
Summary of the invention
Object of the present invention is exactly the deficiency existing in order to solve above-mentioned background technology, and the syndeton of a kind of simple in structure, easy to operate concrete tubular pile and cushion cap is provided.
The technical solution used in the present invention is: the syndeton of a kind of concrete tubular pile and cushion cap, comprise foundation platform, pile tube, anchor bar and embedded bar, described pile tube upper end is connected with foundation platform, the upper and lower two ends of described anchor bar are connected with pile tube with foundation platform respectively, described embedded bar is positioned at tubular pile body, described pile tube end face is provided with pile end plate, on the end face of described pile end plate, along even circumferential, be distributed with a plurality of bolts hole, described pile end plate bottom is provided with a plurality of embedded sleeve barrels corresponding with bolt hole along even circumferential in tubular pile body, described anchor bar bottom is positioned at pile tube through pile end plate and is connected with embedded sleeve barrel.
Further, the axis hole of described embedded sleeve barrel is the shoulder hole running through, and described shoulder hole is coaxial with bolt hole, and described shoulder hole upper end diameter is greater than lower end diameter, described shoulder hole upper end diameter is identical with diameter of bolt hole, and described anchor bar bottom and shoulder hole lower end are connected.
Further, it is coaxial with anchor bar that described embedded bar is positioned at anchor bar bottom, and its top is connected with embedded sleeve barrel lower end.
The present invention arranges sleeve in pile tube inside, directly anchor bar is screwed at the construction field (site) to sleeve and can realizes being connected of anchor bar and pile tube, without a large amount of human and material resources of cost, drop into, safety, reliability are high, easy to operate, quick, greatly improve efficiency of construction, shortened the duration, saved operating expenses; Anchor bar forms whole with the reinforcing bar being embedded in tubular pile body, guaranteed the globality that pile tube is connected with cushion cap, connection is reliable, intensity is high, as the uplift resistance that can well pile tube be subject to as uplift pile passes to whole pile body, avoided that current pile tube is used as uplift pile and cushion cap attended operation difficulty, complex procedures, the engineering time is long and during for pressure bearing pile secondary fill with core body construction quality and be difficult to the problem of controlling, construction quality is poor; Embedded bar has strengthened the bending resistance of pile tube simultaneously, has well solved the poor problem of pile tube bending resistance; And sleeve can be prefabricated in advance, sleeve and the embedded bar installation Jun factory on pile tube completes, and does not take the construction period, at the construction field (site) can all-weather construction thereby guarantee.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is I-I cross-sectional view in Fig. 1.
Fig. 3 is II-II cross-sectional view in Fig. 2.
Wherein: 1-foundation platform, 2-pile tube, 3-pile end plate, 4-anchor bar, 5-embedded sleeve barrel, 6-bolt hole, 7-shoulder hole, 8-embedded bar.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, be convenient to be well understood to the present invention, but they do not form restriction to the present invention.
As shown in Figure 1, the present invention includes foundation platform 1, pile tube 2, anchor bar 4 and embedded bar 8, described pile tube 2 upper ends are connected with foundation platform 1, described anchor bar is connected with pile tube 2 with foundation platform 1 respectively at two ends Shang Xia 4, embedded bar 8 is positioned at pile tube 2 pile bodies, and it is coaxial with anchor bar 4 that described embedded bar 8 is positioned at anchor bar 4 bottoms.Described pile tube 2 end faces are provided with pile end plate 3, on the end face of described pile end plate 3, along even circumferential, be distributed with a plurality of bolts hole 6, described pile end plate 3 bottoms are provided with a plurality of embedded sleeve barrels corresponding with bolt hole 65 along even circumferential in pile tube 2 pile bodies, described anchor bar 4 bottoms are positioned at pile tube 2 through pile end plate 3 and are connected with embedded sleeve barrel 5, and embedded bar 8 tops are connected with embedded sleeve barrel 5 lower ends.The axis hole of described embedded sleeve barrel 5 is the shoulder hole 7 running through, described shoulder hole 7 is coaxial with bolt hole 6, described shoulder hole 6 upper end diameter are greater than lower end diameter, and described shoulder hole upper end diameter is identical with diameter of bolt hole, and described anchor bar 4 bottoms and shoulder hole 7 lower ends are connected.
When the present invention installs, first in factory's tubular pile production process, before tubular pile pre-stress stretch-draw, embedded sleeve barrel 5 is tightened against on the stretch-draw bolt through pile end plate 3 upper bolt holes 6, carrying out embedded sleeve barrel 5 installs, after embedded sleeve barrel installs, embedded bar 8 is tightened against on embedded sleeve barrel 5, installs the production of rear beginning pile tube 2; The pile tube 2 that production completes is transported to behind job site, and anchor bar 4 is screwed into embedded sleeve barrel 5, then builds foundation platform concrete and can realize being connected of pile tube 2 and bedding cushion cap 1.
Employing sleeve connects, anchor bar is whole with the reinforcing bar composition being embedded in pile body, has improved a stake top stress condition, has guaranteed that the globality that stake is connected with cushion cap connects reliably, intensity is high, guarantee that pile tube, when bearing tension or pressure, can bear larger moment of flexure and horizontal loading simultaneously.According to the standard value of the surrender bearing capacity of JGJ107-2003 < < reinforcing steel bar machinery connection universal rules > > connector for joint and tension bearing capacity, be not less than and be connected the surrender bearing capacity of reinforcing bar and 1.10 times of tension standard value of bearing capacity, guaranteed the safety and reliability that sleeve connects simultaneously.
The content not being described in detail in this manual belongs to the known prior art of professional and technical personnel in the field.

Claims (3)

1. the syndeton of a concrete tubular pile and cushion cap, comprise foundation platform (1), pile tube (2), anchor bar (4) and embedded bar (8), described pile tube (2) upper end is connected with foundation platform (1), the upper and lower two ends of described anchor bar (4) are connected with pile tube (2) with foundation platform (1) respectively, described embedded bar is positioned at tubular pile body, described pile tube (2) end face is provided with pile end plate (3), on the end face of described pile end plate (3), along even circumferential, be distributed with a plurality of bolts hole (6), it is characterized in that: described pile end plate bottom is provided with a plurality of embedded sleeve barrels corresponding with bolt hole (5) along even circumferential in pile tube (2) pile body, described anchor bar (4) bottom is positioned at pile tube through pile end plate and is connected with embedded sleeve barrel (5).
2. the syndeton of a kind of concrete tubular pile according to claim 1 and cushion cap, it is characterized in that: the axis hole of described embedded sleeve barrel (5) is the shoulder hole (7) running through, described shoulder hole (7) is coaxial with bolt hole (6), described shoulder hole upper end diameter is greater than lower end diameter, described shoulder hole upper end diameter is identical with diameter of bolt hole, and described anchor bar bottom and shoulder hole lower end are connected.
3. the syndeton of a kind of concrete tubular pile according to claim 1 and cushion cap, is characterized in that: it is coaxial with anchor bar that described embedded bar (8) is positioned at anchor bar (4) bottom, and its top is connected with embedded sleeve barrel lower end.
CN201310583167.0A 2013-11-19 2013-11-19 A kind of attachment structure of concrete tubular pile and cushion cap CN103590414B (en)

Priority Applications (1)

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CN201310583167.0A CN103590414B (en) 2013-11-19 2013-11-19 A kind of attachment structure of concrete tubular pile and cushion cap

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Application Number Priority Date Filing Date Title
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CN103590414B CN103590414B (en) 2016-06-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105735336A (en) * 2016-03-14 2016-07-06 张译元 Method for building bridge by means of bridge prefabricated bearing platform
CN106638587A (en) * 2017-02-17 2017-05-10 浙江望达建材科技有限公司 Assembly type prestress combined square pile and construction method thereof
CN107100185A (en) * 2017-05-18 2017-08-29 大成科创基础建设股份有限公司 The attachment structure of assembled architecture stake pile foundation and cushion cap
CN108824475A (en) * 2018-06-29 2018-11-16 华北电力大学(保定) A kind of transmission line of electricity equilateral triangle cushion cap stake assembling type base

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002285564A (en) * 2001-03-26 2002-10-03 Taisei Corp Bearing construction for the foundation of structure and construction method therefor
CN201826323U (en) * 2010-08-11 2011-05-11 霍宏斌 Pile-anchor rod foundation structure
CN202073110U (en) * 2011-05-04 2011-12-14 江苏建华管桩有限公司 Concrete pile and bearing platform connecting structure
CN202450521U (en) * 2011-12-14 2012-09-26 盐城市同力新型建材有限公司 Connecting sleeve for conveniently connecting bearing platform with pre-tensioned and pre-stressed concrete pile
CN202809633U (en) * 2012-10-10 2013-03-20 上海市城市建设设计研究总院 Connecting structure of pre-stressed high-strength concrete (PHC) pipe pile and bearing platform
CN203569582U (en) * 2013-11-19 2014-04-30 中铁第四勘察设计院集团有限公司 Connecting structure of concrete pipe pile and bearing platform

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002285564A (en) * 2001-03-26 2002-10-03 Taisei Corp Bearing construction for the foundation of structure and construction method therefor
CN201826323U (en) * 2010-08-11 2011-05-11 霍宏斌 Pile-anchor rod foundation structure
CN202073110U (en) * 2011-05-04 2011-12-14 江苏建华管桩有限公司 Concrete pile and bearing platform connecting structure
CN202450521U (en) * 2011-12-14 2012-09-26 盐城市同力新型建材有限公司 Connecting sleeve for conveniently connecting bearing platform with pre-tensioned and pre-stressed concrete pile
CN202809633U (en) * 2012-10-10 2013-03-20 上海市城市建设设计研究总院 Connecting structure of pre-stressed high-strength concrete (PHC) pipe pile and bearing platform
CN203569582U (en) * 2013-11-19 2014-04-30 中铁第四勘察设计院集团有限公司 Connecting structure of concrete pipe pile and bearing platform

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105735336A (en) * 2016-03-14 2016-07-06 张译元 Method for building bridge by means of bridge prefabricated bearing platform
CN106638587A (en) * 2017-02-17 2017-05-10 浙江望达建材科技有限公司 Assembly type prestress combined square pile and construction method thereof
CN107100185A (en) * 2017-05-18 2017-08-29 大成科创基础建设股份有限公司 The attachment structure of assembled architecture stake pile foundation and cushion cap
CN108824475A (en) * 2018-06-29 2018-11-16 华北电力大学(保定) A kind of transmission line of electricity equilateral triangle cushion cap stake assembling type base

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Inventor after: Yan Aiguo

Inventor after: Zhang Chiquan

Inventor after: Cai Jianye

Inventor after: Liu Tianpei

Inventor after: Chen Jiabin

Inventor after: Zhou Yan

Inventor after: Peng Wencheng

Inventor after: Zhou Shenggang

Inventor after: Wu Weihong

Inventor before: Yan Aiguo

Inventor before: Zhang Chiquan

Inventor before: Cai Jianye

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