CN109505257A - A kind of pier shaft Temperature Controlling of Mass Concrete construction method - Google Patents
A kind of pier shaft Temperature Controlling of Mass Concrete construction method Download PDFInfo
- Publication number
- CN109505257A CN109505257A CN201811580676.7A CN201811580676A CN109505257A CN 109505257 A CN109505257 A CN 109505257A CN 201811580676 A CN201811580676 A CN 201811580676A CN 109505257 A CN109505257 A CN 109505257A
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- China
- Prior art keywords
- pier shaft
- pier
- construction method
- water supply
- construction
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical fields of the biggish high pier bridge construction of wall thickness, it is high in order to solve the thick-wall hollow pier mass concrete heat of hydration, cause cracks, the problems such as influencing bridge pier quality, provide a kind of pier shaft Temperature Controlling of Mass Concrete construction method, it is to be realized to the different height layer of pier shaft cooling in real time by the way that Concrete Temperature Control device is arranged in pier shaft.This method is to be equally spaced cooling tube in pier shaft reinforcing bar process of binding, later period uses water pump cooling water supply, reduce the heat that concrete hydrating generates, avoid concrete internal temperature is excessively high from causing the various diseases of concrete, the construction method overcomes the problems such as conventional construction method is difficult to ensure bridge pier construction quality, the quality that ensure that high pier heavy wall pier construction process ensure that construction safety, improve construction efficiency.
Description
Technical field
The invention belongs to the technical fields of the biggish high pier bridge construction of wall thickness, and in particular to a kind of pier shaft large volume
Concrete temperature-control construction method.
Background technique
With the rapid development of the capital construction facilities such as high-speed railway, highway, city intersection road, large span cross-line, across
The structure types bridge such as river continuously emerges, and bridge pier height constantly increases, and hollow pier is widely used, and special construction beam continuously emerges,
Thin-wall Hollow Pier wall thickness also constantly increases, and concreting maintenance just should be conserved and be controlled by mass concrete when thickness is greater than 1m
System, but there are no mature control methods for this part for existing construction technology, often have the multinomial warm plastic forming disease such as bridge pier crack
Evil, seriously affects bridge quality, to guarantee Bridge Pier Construction quality, therefore proposes a kind of pier shaft Temperature Controlling of Mass Concrete construction party
Method reduces mass concrete aquation and generates heat, guarantees Bridge Pier Construction quality.
Summary of the invention
Present invention understands that certainly the thick-wall hollow pier mass concrete heat of hydration is high, the problems such as causing the diseases such as cracks,
A kind of pier shaft Temperature Controlling of Mass Concrete construction method is studied, mass concrete aquation is reduced and generates heat, guarantee that bridge pier is applied
Working medium amount.
The present invention adopts the following technical scheme:
A kind of pier shaft Temperature Controlling of Mass Concrete construction method, which is characterized in that be by the way that concrete is arranged in hollow pier shaft
Temperature control device is realized the different height layer of pier shaft cooling in real time.
The Concrete Temperature Control device includes water supply pumping plant and cooling bay, vibration means for main pipe for supplying water road and several water supply and sewage branch pipes, pier
Body bottom is equipped with preformed hole, and vibration means for main pipe for supplying water road passes through preformed hole, and vibration means for main pipe for supplying water road one end connects water supply pumping plant and cooling bay, supply and discharge
Water branch pipe is uniformly arranged from the bottom to top and connect respectively with vibration means for main pipe for supplying water road, is equipped in the pier shaft of water supply and sewage branch pipe respective heights
Water hole and inlet opening, water supply and sewage branch pipe are connected by circulation with apopore and inlet opening head and the tail.
Water supply and sewage branch pipe is set to pier shaft bottom 20cm or more, and the inlet opening and drainage hole aperture reserved on pier shaft are not less than
5cm。
Spacing between inlet opening and drainage hole is not less than 80cm.
The vibration means for main pipe for supplying water road is connected through a screw thread by several segments steel pipe, and between every section steel pipe and pier shaft at least
There is a fixed point.
The present invention in pier shaft reinforcing bar process of binding by being equally spaced cooling tube, and the later period is using water pump supply cooling
Water reduces the heat that concrete hydrating generates, avoids concrete internal temperature is excessively high from causing the various diseases of concrete, the construction party
Method overcomes the problems such as conventional construction method is difficult to ensure bridge pier construction quality, ensure that high pier heavy wall pier construction process
Quality, ensure that construction safety, improve construction efficiency.
Detailed description of the invention
Fig. 1 is pier construction flow chart；
Fig. 2 is cooling tube floor plan；
Fig. 3 is water service plan；
Fig. 4 is water supply, drainpipe side view；
In figure: 2- water supply and sewage branch pipe, 3- vibration means for main pipe for supplying water road, 4- preformed hole, 5- water supply pumping plant and cooling bay.
Specific embodiment
Pier shaft Temperature Controlling of Mass Concrete construction method of the present invention is filled by the way that Concrete Temperature Control is arranged in pier shaft
It sets, the different height layer of pier shaft is realized cooling in real time.
The Specific construction process of the temperature control device is as follows:
1) when pier shaft over-form construction, mono- layer of setting cooling tube of 80cm is installed in reinforcing bar process of binding, cooling tube uses wall thickness 2mm,
The steel pipe of diameter 35mm is made, and when pier shaft unilateral side thickness is greater than 1m, cooling tube need to be arranged；Cooling tube is apart from pier shaft coagulation
Native appearance thickness control be not less than 40cm, cooling tube intake-outlet, after being installed using sealing film sealing, installation guarantee into
Water outlet is held out against with pier shaft internal model；
2) more than the 20cm of hollow pier bottom, the supply and discharge water hole that aperture is 5cm is reserved, between water supplying pipe duct and drainage pipeline hole
Away from being advisable with 1m；Reserved water supply and sewage preformed hole is managed using 5cmPVC, coxopodite supply and discharge water pipe and water pump are installed after demoulding, installation is vertical
Coxopodite supply and discharge water pipe connects bottom two layers cooling tube using water supply and sewage branch pipe, supplies water and realizes to concrete cooling processing；
3) drainage pipeline uses diameter for the steel pipe of 5cm, and cooling tube water supply and sewage branch pipe is arranged in steel pipe interval 80cm, and main pipeline is every
Section length is 1.5m, and using being threadedly coupled, pipeline adds in hollow pier inner sidewall using expansion bolt is fixed main pipeline every 1m
Gu；According to concreting height, connecting branch after demoulding realizes each layer cooling tube real-time working, guarantees that concrete temperature obtains
To control；
4) water supply pumping plant is arranged in bridge pier bottom outside, and drainage collection cooling bay guarantees pressure of supply water, meets each layer cooling tube circulation
Water needs, and drainage collection cooling bay realizes return water collection and cooling.
The method of the present invention is for hollow pier, and hollow pier uses construction process when over-form construction as shown in Figure 1.
Claims (5)
1. a kind of pier shaft Temperature Controlling of Mass Concrete construction method, which is characterized in that be by the way that coagulation is arranged in hollow pier shaft
Native temperature control device is realized the different height layer of pier shaft cooling in real time.
2. pier shaft Temperature Controlling of Mass Concrete construction method according to claim 1, which is characterized in that the coagulation soil temperature
Control device includes water supply pumping plant and cooling bay, vibration means for main pipe for supplying water road and several water supply and sewage branch pipes, and pier shaft bottom is equipped with preformed hole, is supplied water
Main pipeline passes through preformed hole, and vibration means for main pipe for supplying water road one end connection water supply pumping plant and cooling bay, water supply and sewage branch pipe are laid from the bottom to top
It sets and is connect respectively with vibration means for main pipe for supplying water road, apopore and inlet opening, water supply and sewage are equipped in the pier shaft of water supply and sewage branch pipe respective heights
Branch pipe is connected by circulation with apopore and inlet opening head and the tail.
3. pier shaft Temperature Controlling of Mass Concrete construction method according to claim 2, which is characterized in that water supply and sewage branch pipe is set
In pier shaft bottom 20cm or more, the inlet opening and drainage hole aperture reserved on pier shaft are not less than 5cm.
4. pier shaft Temperature Controlling of Mass Concrete construction method according to claim 3, which is characterized in that inlet opening and draining
Spacing between hole is not less than 80cm.
5. pier shaft Temperature Controlling of Mass Concrete construction method according to claim 4, which is characterized in that the vibration means for main pipe for supplying water
Road is connected through a screw thread by several segments steel pipe, and at least one fixed point between every section steel pipe and pier shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580676.7A CN109505257A (en) | 2018-12-24 | 2018-12-24 | A kind of pier shaft Temperature Controlling of Mass Concrete construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580676.7A CN109505257A (en) | 2018-12-24 | 2018-12-24 | A kind of pier shaft Temperature Controlling of Mass Concrete construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505257A true CN109505257A (en) | 2019-03-22 |
Family
ID=65754320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811580676.7A Pending CN109505257A (en) | 2018-12-24 | 2018-12-24 | A kind of pier shaft Temperature Controlling of Mass Concrete construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684762A (en) * | 2021-08-17 | 2021-11-23 | 中铁九局集团第六工程有限公司 | Concrete temperature control device in high pier turnover formwork construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030246A (en) * | 2007-07-24 | 2009-02-12 | Oriental Shiraishi Corp | Concrete wet-curing method and curing facility |
| CN202689564U (en) * | 2012-06-28 | 2013-01-23 | 中交第二航务工程局有限公司 | Hydration heat temperature control device for mass concrete construction |
| CN103692543A (en) * | 2013-12-11 | 2014-04-02 | 辽宁科技大学 | Closed moisturizing, heating and curing device for realizing super-high early-strength of concrete |
| CN105803895A (en) * | 2016-05-03 | 2016-07-27 | 中国京冶工程技术有限公司 | System for cooling and thawing frozen airport pavement by utilizing ground source heat pump and construction method |
| JP6261995B2 (en) * | 2014-01-30 | 2018-01-17 | 大成建設株式会社 | Concrete temperature control method |
-
2018
- 2018-12-24 CN CN201811580676.7A patent/CN109505257A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030246A (en) * | 2007-07-24 | 2009-02-12 | Oriental Shiraishi Corp | Concrete wet-curing method and curing facility |
| CN202689564U (en) * | 2012-06-28 | 2013-01-23 | 中交第二航务工程局有限公司 | Hydration heat temperature control device for mass concrete construction |
| CN103692543A (en) * | 2013-12-11 | 2014-04-02 | 辽宁科技大学 | Closed moisturizing, heating and curing device for realizing super-high early-strength of concrete |
| JP6261995B2 (en) * | 2014-01-30 | 2018-01-17 | 大成建設株式会社 | Concrete temperature control method |
| CN105803895A (en) * | 2016-05-03 | 2016-07-27 | 中国京冶工程技术有限公司 | System for cooling and thawing frozen airport pavement by utilizing ground source heat pump and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 陈天地: "铁路空心桥墩温度场试验研究", 《中国学位论文全文数据库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684762A (en) * | 2021-08-17 | 2021-11-23 | 中铁九局集团第六工程有限公司 | Concrete temperature control device in high pier turnover formwork construction |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20190322 |