CN103194971B - A kind of hollow pier binds construction method - Google Patents
A kind of hollow pier binds construction method Download PDFInfo
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- CN103194971B CN103194971B CN201310106270.6A CN201310106270A CN103194971B CN 103194971 B CN103194971 B CN 103194971B CN 201310106270 A CN201310106270 A CN 201310106270A CN 103194971 B CN103194971 B CN 103194971B
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Abstract
The invention provides a kind of hollow pier to bind construction method, the described hollow pier construction method that binds comprises the following steps: the prefabricated cover plate that binds; Hollow pier Dun Bi constructs, and strengthens from chamfering reinforcement placement hollow pier top; When hollow pier pier wall concrete strength reaches after more than 75%, the hoisting prefabricated cover plate that binds; Prefabricated cover plate gap of binding is closed with mortar; Carry out the pouring concrete construction of pallet, top cap, comprise colligation pallet, top cap reinforcing bar and concreting; Hollow pier construction of binding completes.The hollow pier of the present invention construction method that binds adopts the mode of prefabricated cover plate greatly to save construction period, as long as hollow pier pier wall intensity reaches more than 75%, directly can carry out construction of binding; Adopt disposable prefabricated cover plate to bind, need not scaffold be set up, eliminate the time of setting up, removing scaffold, greatly save the duration, it also avoid this part expense of scaffold simultaneously, saved great amount of cost, remarkable in economical benefits.
Description
Technical field
The invention belongs to field of bridge construction, be specifically related to a kind of hollow pier and bind construction method.
Background technology
Wall Voided Pier is the pier shaft form that highway, railway engineering often adopt.It has effectively achieved the lightness of bridge pier, have good mechanical property, be applicable to very high bridge pier, the Thin-wall Hollow Pier highly more than 30 meters is very common, the pallet on hollow pier pier shaft top, top cap are entity section part, and being transitioned into entity section by hollow section is a difficult problem in construction.The conventional method that current building operations solves vertical load-bearing has two kinds, and one is the mode setting up full hall scaffold; Two is at the position pre-buried bracket of hollow pier close to top, sets up the mode of falsework aloft.Even all there is following problem higher than the hollow pier of 50 meters construction of binding for higher than 30 meters in these two kinds of modes: first is that hollow pier inner space is narrow and small, not easy to operate; Second is that the full hall scaffold set up of requirement or support are too high, is technically difficult to hold; 3rd is long construction period, and tower machine utilization rate is low, reduces the turnover rate of template simultaneously; 4th is that continuous placing wanted by designing requirement pier top entity section and pallet, top cap, and the concrete square amount of one-time-concreting is large, requires high to support stability.
Summary of the invention
The invention provides a kind of hollow pier to bind construction method, can well overcome the above problems.
The invention provides a kind of hollow pier to bind construction method, the described hollow pier construction method that binds comprises the following steps:
One, the cover plate that first carries out on ground binding is prefabricated;
Two, hollow pier Dun Bi constructs, and strengthens from chamfering reinforcement placement hollow pier top;
Three, when hollow pier pier wall concrete strength reaches after more than 75%, the hoisting prefabricated cover plate that binds;
Four, prefabricated cover plate gap of binding is closed with mortar;
Five, carry out the pouring concrete construction of pallet, top cap, comprise colligation pallet, top cap reinforcing bar and concreting;
Six, hollow pier construction of binding completes.
According to concrete technical scheme of the present invention, wherein, step one comprises: (1) to bind covering plate structure according to design drawing design, carries out stressed and Structure Checking Method; (2) assembling reinforcement; (3) with pallet, push up the pouring concrete of cap with label.
According to concrete technical scheme of the present invention, wherein, the cover plate that binds in step one is made up of three kinds of prefabricated cover plates of model, the first model cover plate is rectangle, length is 2.4 meters, width is 1.32 meters, thickness is 0.1 meter, the second model cover plate is rectangle, length is 2.4 meters, width is 1.5 meters, thickness is 0.1 meter, the third model cover plate is semicircle, radius is 1.2 meters, thickness is 0.1 meter, the first model cover plate is one piece, the second model cover plate is two pieces, every block the second model cover plate lays respectively at the both sides of the first model cover plate, the third model cover plate is two pieces, the third model cover plate of every block lays respectively at the both sides of the second model cover plate.
According to concrete technical scheme of the present invention, wherein, the reinforcing bar of the first model cover plate is distributed as: width has 13 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 13rd to the right, the distance on the limit, left side of the 1st reinforcing bar and the first model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 11 centimetres, 3rd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 11 centimetres, the distance of the right edge of the 13rd reinforcing bar and the first model cover plate is 5 centimetres,
Length direction there are 13 diameters be the transverse reinforcement of Φ 16 millimeters, from the top of length direction to being respectively the 1st to the 13rd below, the distance of the upper side edge of the 1st reinforcing bar and the first model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 15 centimetres, 3rd reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 15 centimetres, and the distance of the lower side of the 13rd reinforcing bar and the first model cover plate is 5 centimetres.
According to concrete technical scheme of the present invention, wherein, the reinforcing bar of the second model cover plate is distributed as: width has 15 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 15th to the right, the distance on the limit, left side of the 1st reinforcing bar and the second model cover plate is 5 centimetres, 2nd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 15th reinforcing bar, and the distance of the right edge of the 15th reinforcing bar and the second model cover plate is 5 centimetres;
Length direction there are 13 diameters be the transverse reinforcement of Φ 16 millimeters, from the top of length direction to being respectively the 1st to the 13rd below, the distance of the upper side edge of the 1st reinforcing bar and the second model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 15 centimetres, 3rd reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 15 centimetres, and the distance of the lower side of the 13rd reinforcing bar and the second model cover plate is 5 centimetres.
According to concrete technical scheme of the present invention, wherein, the reinforcing bar of the third model cover plate is distributed as: width has 11 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 11st to the right, the distance on the limit, left side of the 1st reinforcing bar and the third model cover plate is 5 centimetres, and the 2nd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 11st reinforcing bar;
Length direction has 11 diameters be the transverse reinforcement of 16 millimeters, from the top of length direction to being respectively the 1st to the 11st below, the 1st reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 11st reinforcing bar;
Also has the circular arc reinforcing bar that 1 parallel with the semicircular circular arc of the third model cover plate, diameter is Φ 16 millimeters, the distance of the semicircular circular arc of circular arc reinforcing bar and the third model cover plate is 5 centimetres, the 11st reinforcing bar on width and the distance of circular arc reinforcing bar are 10 centimetres, the 1st reinforcing bar on length direction and the distance of circular arc reinforcing bar are 15 centimetres, and the 11st reinforcing bar on length direction and the distance of circular arc reinforcing bar are 15 centimetres.
The bind advantage of construction method of hollow pier of the present invention is: in order to complete the construction of this entity section, adopt prefabricated cover plate to replace full framing, and main purpose solves hollow pier to bind the difficult problem of vertical load-bearing, and safe mass is controlled; Adopt the mode of prefabricated cover plate greatly to save construction period, as long as hollow pier pier wall intensity reaches more than 75%, directly can carry out construction of binding; Adopt disposable prefabricated cover plate to bind, need not scaffold be set up, eliminate the time of setting up, removing scaffold, greatly save the duration, it also avoid this part expense of scaffold simultaneously, saved great amount of cost, remarkable in economical benefits, construction safety is secure; Prefabricated cover plate is disposable input, simplicity of design, and raw material are steel concrete mainly, and manufacturability is strong, and cost of manufacture is low, in energy-saving and environmental protection, have advantage, can not produce environment pollution; Short construction period, cover plate can be prefabricated in advance, directly can carry out construction of binding, do not affect hollow pier construction period after hollow pier pier wall intensity reaches requirement; Highly versatile, every hollow pier binds construction, all can adopt this method; Handled easily, each hollow pier cover plate that binds is made up of polylith, and every block cover plate length is 2.4 meters, width be 1.2 meters-1.5 meters not etc., thickness is 0.1 meter, and volume is little, handled easily.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the front schematic view of hollow pier;
Fig. 2 is the schematic top plan view of hollow pier;
Fig. 3 is the first cover plate reinforcement placement figure;
Fig. 4 is the second cover plate reinforcement placement figure;
Fig. 5 is the 3rd cover plate reinforcement placement figure;
Fig. 6 is that hollow pier binds construction flow chart.
Drawing reference numeral illustrates:
1-binds cover plate, 2-Dun Bi, 3-from chamfering, 4-first cover plate, 5-second cover plate, 6-the 3rd cover plate.
Detailed description of the invention
In the mode of specific embodiment, the present invention is described below, but the present invention is never only limitted to the following example.
A kind of hollow pier binds construction method, and as shown in Fig. 1-2,6, the described hollow pier construction method that binds comprises the following steps:
One, the prefabricated cover plate 1 that binds;
Two, hollow pier pier wall 2 is constructed, and strengthens from chamfering 3 reinforcement placement hollow pier top;
Three, when hollow pier pier wall 2 concrete strength reaches after more than 75%, the hoisting prefabricated cover plate 1 that binds;
Four, prefabricated cover plate 1 gap of binding is closed with mortar;
Five, carry out the pouring concrete construction of pallet, top cap, comprise colligation pallet, top cap reinforcing bar and concreting;
Six, hollow pier construction of binding completes.
Step one comprises: (1) to bind covering plate structure according to design drawing design, carries out stressed and Structure Checking Method; (2) assembling reinforcement; (3) with pallet, push up the pouring concrete of cap with label.
As shown in Figure 1-2, the cover plate 1 that binds in step one is by the first model cover plate 4, the second model cover plate 5 and the third model cover plate 6 form, the first model cover plate 4 is rectangle, length is 2.4 meters, width is 1.32 meters, thickness is 0.1 meter, the second model cover plate 5 is rectangle, length is 2.4 meters, width is 1.5 meters, thickness is 0.1 meter, the third model cover plate 6 is semicircle, radius is 1.2 meters, thickness is 0.1 meter, the first model cover plate 4 is one piece, the second model cover plate 5 is two pieces, every block the second model cover plate 5 lays respectively at the both sides of the first model cover plate 4, the third model cover plate 6 is two pieces, the third model cover plate 6 of every block lays respectively at the both sides of the second model cover plate 5.
As shown in Figure 3, the reinforcing bar of the first model cover plate 4 is distributed as: width has 13 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 13rd to the right, the distance on the limit, left side of the 1st reinforcing bar and the first model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 11 centimetres, 3rd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 11 centimetres, and the distance of the right edge of the 13rd reinforcing bar and the first model cover plate is 5 centimetres;
Length direction there are 13 diameters be the transverse reinforcement of Φ 16 millimeters, from the top of length direction to being respectively the 1st to the 13rd below, the distance of the upper side edge of the 1st reinforcing bar and the first model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 15 centimetres, 3rd reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 15 centimetres, and the distance of the lower side of the 13rd reinforcing bar and the first model cover plate is 5 centimetres.
As shown in Figure 4, the reinforcing bar of the second model cover plate 5 is distributed as: width has 15 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 15th to the right, the distance on the limit, left side of the 1st reinforcing bar and the second model cover plate is 5 centimetres, 2nd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 15th reinforcing bar, and the distance of the right edge of the 15th reinforcing bar and the second model cover plate is 5 centimetres;
Length direction there are 13 diameters be the transverse reinforcement of Φ 16 millimeters, from the top of length direction to being respectively the 1st to the 13rd below, the distance of the upper side edge of the 1st reinforcing bar and the second model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 15 centimetres, 3rd reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 15 centimetres, and the distance of the lower side of the 13rd reinforcing bar and the second model cover plate is 5 centimetres.
As shown in Figure 5, the reinforcing bar of the third model cover plate 6 is distributed as: width has 11 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 11st to the right, the distance on the limit, left side of the 1st reinforcing bar and the third model cover plate is 5 centimetres, and the 2nd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 11st reinforcing bar;
Length direction has 11 diameters be the transverse reinforcement of Φ 16 millimeters, from the top of length direction to being respectively the 1st to the 11st below, the 1st reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 11st reinforcing bar;
1 parallel with the semicircular circular arc of the third model cover plate, diameter is also had to be the circular arc reinforcing bar of 16 millimeters, the distance of the semicircular circular arc of circular arc reinforcing bar and the third model cover plate is 5 centimetres, the 11st reinforcing bar on width and the distance of circular arc reinforcing bar are 10 centimetres, the 1st reinforcing bar on length direction and the distance of circular arc reinforcing bar are 15 centimetres, and the 11st reinforcing bar on length direction and the distance of circular arc reinforcing bar are 15 centimetres.
Above-described is only principle of the present invention and preferred embodiment.It should be pointed out that to those skilled in the art, under the premise without departing from the principles of the invention, some distortion and improvement can also be made, also should be considered as belonging to protection scope of the present invention.
Claims (1)
1. hollow pier binds a construction method, it is characterized in that: the described hollow pier construction method that binds comprises the following steps:
One, the cover plate that first carries out on ground binding is prefabricated, comprising: (1) to bind covering plate structure according to design drawing design, carries out stressed and Structure Checking Method, (2) assembling reinforcement, (3) with pallet, push up the pouring concrete of cap with label, the described cover plate that binds is made up of the prefabricated cover plate of three kinds of models, the first model cover plate is rectangle, length is 2.4 meters, width is 1.32 meters, thickness is 0.1 meter, the second model cover plate is rectangle, length is 2.4 meters, width is 1.5 meters, thickness is 0.1 meter, the third model cover plate is semicircle, radius is 1.2 meters, thickness is 0.1 meter, the first model cover plate is one piece, the second model cover plate is two pieces, every block the second model cover plate lays respectively at the both sides of the first model cover plate, the third model cover plate is two pieces, the third model cover plate of every block lays respectively at the both sides of the second model cover plate,
The reinforcing bar of the first model cover plate described is distributed as: width has 13 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 13rd to the right, the distance on the limit, left side of the 1st reinforcing bar and the first model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 11 centimetres, 3rd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 11 centimetres, and the distance of the right edge of the 13rd reinforcing bar and the first model cover plate is 5 centimetres; Length direction there are 13 diameters be the transverse reinforcement of Φ 16 millimeters, from the top of length direction to being respectively the 1st to the 13rd below, the distance of the upper side edge of the 1st reinforcing bar and the first model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 15 centimetres, 3rd reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 15 centimetres, and the distance of the lower side of the 13rd reinforcing bar and the first model cover plate is 5 centimetres;
The reinforcing bar of described the second model cover plate is distributed as: width has 15 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 15th to the right, the distance on the limit, left side of the 1st reinforcing bar and the second model cover plate is 5 centimetres, 2nd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 15th reinforcing bar, and the distance of the right edge of the 15th reinforcing bar and the second model cover plate is 5 centimetres; Length direction there are 13 diameters be the transverse reinforcement of Φ 16 millimeters, from the top of length direction to being respectively the 1st to the 13rd below, the distance of the upper side edge of the 1st reinforcing bar and the second model cover plate is 5 centimetres, the distance of the 2nd reinforcing bar and the 1st reinforcing bar is 15 centimetres, 3rd reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 12nd reinforcing bar, the distance of the 12nd reinforcing bar and the 13rd reinforcing bar is 15 centimetres, and the distance of the lower side of the 13rd reinforcing bar and the second cover plate is 5 centimetres;
The reinforcing bar of the third model cover plate described is distributed as: width has 11 diameters be the longitudinal reinforcement of Φ 12 millimeters, the left side is in the width direction respectively the 1st to the 11st to the right, the distance on the limit, left side of the 1st reinforcing bar and the third model cover plate is 5 centimetres, and the 2nd reinforcing bar is 10 centimetres to the distance of the adjacent reinforcing bar of the 11st reinforcing bar; Length direction has 11 diameters be the transverse reinforcement of Φ 16 millimeters, from the top of length direction to being respectively the 1st to the 11st below, the 1st reinforcing bar is 20 centimetres to the distance of the adjacent reinforcing bar of the 11st reinforcing bar; Also has the circular arc reinforcing bar that 1 parallel with the semicircular circular arc of the 3rd model cover plate, diameter is Φ 16 millimeters, the distance of the semicircular circular arc of circular arc reinforcing bar and the third model cover plate is 5 centimetres, the 11st reinforcing bar on width and the distance of circular arc reinforcing bar are 10 centimetres, the 1st reinforcing bar on length direction and the distance of circular arc reinforcing bar are 15 centimetres, and the 11st reinforcing bar on length direction and the distance of circular arc reinforcing bar are 15 centimetres;
Two, hollow pier Dun Bi constructs, and strengthens from chamfering reinforcement placement hollow pier top;
Three, when hollow pier pier wall concrete strength reaches after more than 75%, the hoisting prefabricated cover plate that binds;
Four, prefabricated cover plate gap of binding is closed with mortar;
Five, carry out the pouring concrete construction of pallet, top cap, comprise colligation pallet, top cap reinforcing bar and concreting;
Six, hollow pier construction of binding completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106270.6A CN103194971B (en) | 2013-03-29 | 2013-03-29 | A kind of hollow pier binds construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106270.6A CN103194971B (en) | 2013-03-29 | 2013-03-29 | A kind of hollow pier binds construction method |
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| Publication Number | Publication Date |
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| CN103194971A CN103194971A (en) | 2013-07-10 |
| CN103194971B true CN103194971B (en) | 2015-12-09 |
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| CN201310106270.6A Expired - Fee Related CN103194971B (en) | 2013-03-29 | 2013-03-29 | A kind of hollow pier binds construction method |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672139B (en) * | 2016-04-14 | 2018-07-13 | 中铁二局集团有限公司 | A kind of bridge hollow pier binds construction |
| CN106120544B (en) * | 2016-08-22 | 2018-09-14 | 中交第二航务工程局有限公司 | It is a kind of to be used for the device and construction method that hollow pier binds |
| CN107299589A (en) * | 2017-07-11 | 2017-10-27 | 中铁大桥局集团第二工程有限公司 | A kind of precast beam supports the bed die system and its construction method of hollow pier pier cap |
| CN107794932B (en) * | 2017-11-06 | 2023-10-03 | 固远晨通科技发展有限公司 | Pier structure is backfilled to foam lightweight concrete |
| CN109596113A (en) * | 2019-01-14 | 2019-04-09 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of guard method and device for protecting concrete face rockfill dam Three-direction gap detector |
| CN109610341A (en) * | 2019-01-16 | 2019-04-12 | 中交四公局第六工程有限公司 | A kind of solid section constructing method of Thin-wall Hollow Pier pier top |
| CN110396937A (en) * | 2019-08-06 | 2019-11-01 | 中铁二十三局集团第三工程有限公司 | The asynchronous construction of hollow thin-walled high pier binder pier beam |
| CN110468730A (en) * | 2019-09-11 | 2019-11-19 | 广东省水利水电第三工程局有限公司 | A kind of hollow pier binds construction technology |
| CN112359860B (en) * | 2020-10-30 | 2022-05-10 | 中国一冶集团有限公司 | Construction method for non-support type open caisson capping |
| CN113403936A (en) * | 2021-07-09 | 2021-09-17 | 中铁十一局集团第五工程有限公司 | Bracket-free rapid construction method for hollow pier partition plate of bridge |
| CN115110437A (en) * | 2022-08-12 | 2022-09-27 | 中国十九冶集团有限公司 | Construction method of bottom template of solid section of hollow thin-wall pier |
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| JP2004190317A (en) * | 2002-12-11 | 2004-07-08 | Yuudai Takano | Building method of capital of hollow pier |
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Effective date of registration: 20160706 Address after: 100089, No. 10, building 2, building 22, West Road, car village, Beijing, Haidian District, 1001 Patentee after: POWERCHINA RAILWAY CONSTRUCTION Co.,Ltd. Address before: 100048 No. 22 West Zhuang Road, Beijing, Haidian District Patentee before: SINOHYDRO RAILWAY CONSTRUCTION Co.,Ltd. |
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Granted publication date: 20151209 |