CN102162224A - Top reaching one-time casting process of concrete check gate seam pier - Google Patents
Top reaching one-time casting process of concrete check gate seam pier Download PDFInfo
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- CN102162224A CN102162224A CN 201110043219 CN201110043219A CN102162224A CN 102162224 A CN102162224 A CN 102162224A CN 201110043219 CN201110043219 CN 201110043219 CN 201110043219 A CN201110043219 A CN 201110043219A CN 102162224 A CN102162224 A CN 102162224A
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- pier
- check gate
- seam
- seam pier
- set bolt
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- 238000005266 casting Methods 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000005086 pumping Methods 0.000 claims description 23
- 239000004698 Polyethylene Substances 0.000 claims description 16
- 239000006260 foam Substances 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 16
- 229920000573 polyethylene Polymers 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 6
- 239000002932 luster Substances 0.000 abstract description 4
- 230000035515 penetration Effects 0.000 abstract 1
- 238000009415 formwork Methods 0.000 description 8
- 239000002023 wood Substances 0.000 description 3
- 230000003487 anti-permeability effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000008407 joint function Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
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Abstract
The invention discloses a top reaching one-time casting process of a concrete check gate seam pier, and relates to the technical field of water conservancy projects. The process comprises the following steps of: arranging two sections of mutually fixedly welded pull fixing bolts between a water pump station seam pier and a top reaching check gate seam pier template, continuously casting the check gate seam pier, curing the check gate seam pier, and then detaching the check gate seam pier template. The function of maintaining the settlement seam of a pier wall is not affected, the template for the seam pier is erected at one time to the top, the concrete is cast continuously, the progress is quick, and multiple times of construction seam treatment is not needed; the concrete check gate seam pier has good integrity, does not lose stability in one-time casting modeling, and has good integral seismic and penetration resistance and uniform appearance and luster; and the stress of each pier of a check gate and a water pump station on a bottom plate is relatively balanced, and the cost is saved.
Description
Technical field
The present invention relates to the hydraulic engineering technical field, particularly in, the large-scale check gate and pumping plant (the be called for short lock station) technical field of construction of drawing water.
Background technology
Along with the progress of society, reduce building and take ground, the design of providing quality goods or brilliant, the needs of people's livelihood harmony, big-and-middle-sized hydraulic engineering develops towards the target of multi-functional integration engineering, scenic spot engineering, Garden project more and more.Act on adjacent seam pier concrete pouring construction formwork erection on the two block concrete base plates separately for the check gate and the pumping plant that draws water, owing to keep the settlement joint function and prevent that template unstability in the process of building from running the generation of mould phenomenon.
There is following defective in traditional seam pier concrete casting building technology:
1, considers the structure design stress condition, except that the seam Dun Qiang construction earlier of the pumping plant that draws water, usually require the concreting face of the shore pier of check gate, middle pier and seam pier balancedly to rise, for preventing the template unstability of shore pier, middle pier and seam pier, general shore pier, middle pier and the full hall of formwork erection employing scaffold support and concreting merogenesis, the progressively rising by stages mutually in length and breadth of stitching pier.One-time-concreting carries out continuous moist curing to the concrete of building shaping at every turn about the 3m height, curing time reaches 14～21 days at normal temperatures.
2, pier, wall, can form removal when the post concrete strength is not less than 3.5MPa or carry out the next procedure construction.For the seam pier structure is arranged, because the firm needs of horizontal integrated support template, not only scaffold can not be removed when next procedure is implemented, also will save second and third ... preceding old concrete (constuction joint) surface of pier wall LIFT before final section, adopt the cutter hair, clear up and clean up, drain the water away, and scaffold is increased to the top by joint.
3, every joint face build before, horizontal joint should be spread the cement mortar of one deck 1～2cm.
4, the concrete of the old and new's bonding surface is also answered careful tamping, in case produce cold seam.
Therefore, traditional formwork erection concreting pier, especially at the construction upright mould process that the seam pier is arranged, exist operation many, long in time limit, repeatedly build, constuction joint is many, unfavorable modernized pumping or the commercial concrete defective of construction continuously, its appearance luster and whole structure are not good enough, and easily produce the unfavorable factor of antidetonation, impervious and poor durability.
Summary of the invention
But the object of the present invention is to provide good concrete sluice seam pier of a kind of reduction of erection time, good integrity, antidetonation anti-permeability performance to top one-time-concreting technology.
The present invention earlier draw water pumping plant seam pier and to be provided with between the check gate seam pier template on top two sections welding that interfix to drawing set bolt, continuous placing check gate seam pier again, after check gate seam pier was maintained, the dismounting check gate stitched the pier template.
The present invention safeguards that pier wall settlement joint function is unaffected, formwork erection of seam pier is to the top, concreting is continuous, progress is fast, no multiple tracks treatment of construction joints, good integrity, unstability, whole antidetonation anti-permeability performance are not good to build one-shot forming, appearance luster is even, can make check gate stressed with each pier relative equilibrium on base plate of the pumping plant that draws water, and saves cost.
The present invention specifically may further comprise the steps:
1) in the pumping plant seam pier that draws water, evenly reserves some horizontal the first couples and draw set bolt, and drawing the same number of groove of set bolt with first pair towards the pumping plant seam pier external surface setting of drawing water of check gate, make respectively first pair to draw set bolt to be set in respectively in each corresponding groove;
2) at the sticking obedient polyethylene closed-cell foam plate of pumping plant seam pier external surface that draws water towards check gate, on polyethylene closed-cell foam plate, offer with first pair draw the same number of cross through hole of set bolt, and make each cross through hole relative one by one with each groove of the pumping plant seam pier that draws water;
3) arrange check gate seam pier vertically to steel bar stress and transverse reinforcement;
4) be inserted in sleeve pipe respectively in each cross through hole of polyethylene closed-cell foam plate, and the inner of each sleeve pipe is inserted in the corresponding recesses of the pumping plant seam pier that draws water, the external surface of described polyethylene closed-cell foam plate is stretched out in the outer end of each sleeve pipe; The first couple in each sleeve pipe draws on the set bolt welding respectively to draw the second couple of set bolt equidirectional to draw fixedly spiral shell with first pair, and at each sleeve pipe with first, second stops up with foamed material drawing the gap between the set bolt accordingly; The second couple in each sleeve pipe outer end draws and is nested with small casing outside the set bolt respectively; Draw set bolt to be nested with cushion block respectively the second couple away from each small casing outer end of polyethylene closed-cell foam plate; Be arranged into the vertical check gate seam pier template on top in each cushion block outside, corresponding second pair of each cushion block outside is drawn set bolt to be set on the check gate seam pier template, draws the nut that is threaded respectively on the set bolt each second pair of the outside of check gate seam pier template;
5) continuous placing check gate seam pier;
6) check gate seam pier is maintained;
7) draw set bolt to separate from each second pair on each nut, remove check gate seam pier template;
8) take off each cushion block from check gate seam pier;
9) each second pair that exposes on the cutting removal check gate seam pier is drawn set bolt, and mends flat in former cushion block position with cement mortar.
The present invention is by to drawing set bolt, sleeve pipe, small casing and nut to form flexible lacing wire joint, can keep the vertical uniform settlement between check gate B seam pier and the pumping plant that the draws water seam pier A unaffected well, be beneficial to the side direction steadiness of concrete template in the continuous placing process.
In order to support drawing set bolt, the present invention also in each cushion block, offer with corresponding second pair draw the supporting transverse holes of set bolt external diameter.
In order to prevent the pier template laterally offset and impaired of check gate seam, the present invention also is provided with the anchoring wooden unit between nut and described check gate seam pier template.
Description of drawings
A kind of structural representation that Fig. 1 is shaped for the lock station.
Fig. 2 is an I portion enlarged drawing among Fig. 1.
Among Fig. 1,2,1 is first pair draws set bolt; The 2nd, sleeve pipe; The 3rd, small casing; The 4th, wood or plastic cushion; The 5th, template; The 6th, nut; The 7th, the anchoring wooden unit; The 8th, groove; The 9th, polyethylene closed-cell foam plate; The 10th, cross through hole; The 11st, foamed material; 12 are second pair draws set bolt.
The specific embodiment
Construction sequence:
1, the first couple who evenly reserves some horizontal φ 16mm by force request vertical and horizontal on the pumping plant seam pier A that draws water draws set bolt 1, and drawing set bolt 1 the same number of groove 8 with first pair towards the pumping plant seam pier A external surface setting of drawing water of check gate seam pier B, make respectively first pair to draw set bolt 1 to be set in the corresponding groove 8; The diameter of groove is 6cm, and the degree of depth is 3cm.
2, stitch the sticking thick polyethylene closed-cell foam plate 9 of obedient 2cm of external surface of pier A at the pumping plant that draws water towards check gate seam pier B, on polyethylene closed-cell foam plate 9, offer with first pair draw set bolt 1 the same number of φ 6cm cross through hole 10, and make each cross through hole 10 relative one by one with each groove 8 of the pumping plant seam pier A that draws water.
3, arrange check gate seam pier B vertically to steel bar stress and transverse reinforcement.
4, in each cross through hole 10 of polyethylene closed-cell foam plate 9, be inserted in the PVC sleeve pipe 2 of external diameter φ 5cm, long 8cm respectively, and the inner that makes each sleeve pipe 2 is inserted in the corresponding recesses 8 of the pumping plant seam pier A that draws water, and the external surface 3cm of polyethylene closed-cell foam plate 9 is stretched out in the outer end of each sleeve pipe 2.
The first couple in each sleeve pipe 2 draws on the set bolt 1 welding respectively to draw the second couple of set bolt 1 equidirectional to draw fixedly spiral shell 12 with first pair, and stop up with foamed material 11 drawing the gap between the set bolt at each sleeve pipe and corresponding first, second, to prevent that concrete from entering sleeve pipe 2 and influencing the flexible joint effect.
The second couple in each sleeve pipe 2 outer end draws the PVC small casing 3 that is nested with external diameter φ 3cm outside the set bolt 12 respectively.
Draw the second couple away from each small casing 3 outer end of polyethylene closed-cell foam plate 9 to be nested with the cushion block 4 that wood or plastics are made outside the set bolt 12 respectively, offering with internal diameter in each cushion block 4 is the transverse holes of φ 16mm.
Be arranged into the vertical check gate seam pier template 5 on top in each cushion block 4 outside, corresponding second pair of each cushion block 4 outside is drawn set bolt 12 to be set on the check gate seam pier template 5, draws the nut 6 that is threaded respectively on the set bolt 12 each second pair of check gate seam pier template 4 outsides.Also can between nut 6 and check gate seam pier template 5, anchoring wooden unit 7 be set.
If check gate B is the barrel structure, can be with vertical check gate seam pier template 5 and even roof plate template one-shot forming to the top.
5, continuous placing check gate seam pier.
6, check gate seam pier is maintained.
7, each nut 6 is drawn set bolt 12 separation, dismounting check gate seam pier template 9 from each second pair.
8, take off each cushion block 4 from check gate seam pier.
9, each second pair that exposes on the cutting removal check gate seam pier is drawn set bolt 12, and mends flat in former cushion block 4 positions with cement mortar.
At the concrete of big-and-middle-sized lock station integration engineering seam pier, general pier height degree reaches more than 12～16m, sequence of construction according to " dark earlier back is shallow, earlier heavy back light, earlier behind short, the former head in high back time " principle carry out.Natural pump station owner body engineering is first formwork erection concreting base plate and pier body structure, and adjacent check gate concrete floor and pier body formwork erection pouring construction successively.The template multiselect is 60cm * 180cm steel form or 122cm * 244cm bamboo-wood plywood, and fixed form has steel pipe, flitch and folder split bolt " 3 " type shape cover nut to form pier circummure purlin.
The Side shuttering of relevant concrete in mass post, wall to drawing set bolt spacing setting in length and breadth, check definite according to past construction experiences with diameter phi 16, during practice of construction, split bolt is designed to (horizontal * vertical) 60 * 90cm can satisfy concrete side pressure stability requirement.
The seam pier of this invention can one time formwork erection to the top, continuous concrete, compare with existing conventional formwork erection technology: it is big to have a steel concrete integral rigidity, and no merogenesis is poured into to push up in batches and bothers; Have the reduction of erection time, need not constuction joint cutter hair and handle, save production cost; Can reduce the constraint number of times of Boundary Conditions in Structures and reduce the chance that produces the crack; To have that concrete seam pier smooth surface is smooth-going, color and luster is even, lines are straight soft, impression is comfortable; Has prospect extensively practical in the similar engineering construction.
Claims (4)
1. concrete sluice seam pier to top one-time-concreting technology, it is characterized in that earlier draw water pumping plant seam pier and to be provided with between the check gate seam pier template on top two sections interfix weld to drawing set bolt, the continuous placing check gate stitches pier again, after check gate seam pier is maintained, remove check gate seam pier template.
According to the described concrete sluice of claim 1 seam pier to top one-time-concreting technology, it is characterized in that may further comprise the steps:
1) in the pumping plant seam pier that draws water, evenly reserves some horizontal the first couples and draw set bolt, and drawing the same number of groove of set bolt with first pair towards the pumping plant seam pier external surface setting of drawing water of check gate, make respectively first pair to draw set bolt to be set in respectively in each corresponding groove;
2) at the sticking obedient polyethylene closed-cell foam plate of pumping plant seam pier external surface that draws water towards check gate, on polyethylene closed-cell foam plate, offer with first pair draw the same number of cross through hole of set bolt, and make each cross through hole relative one by one with each groove of the pumping plant seam pier that draws water;
3) arrange check gate seam pier vertically to steel bar stress and transverse reinforcement;
4) be inserted in sleeve pipe respectively in each cross through hole of polyethylene closed-cell foam plate, and the inner of each sleeve pipe is inserted in the corresponding recesses of the pumping plant seam pier that draws water, the external surface of described polyethylene closed-cell foam plate is stretched out in the outer end of each sleeve pipe; The first couple in each sleeve pipe draws on the set bolt welding respectively to draw the second couple of set bolt equidirectional to draw fixedly spiral shell with first pair, and at each sleeve pipe with first, second stops up with foamed material drawing the gap between the set bolt accordingly; The second couple in each sleeve pipe outer end draws and is nested with small casing outside the set bolt respectively; Draw set bolt to be nested with cushion block respectively the second couple away from each small casing outer end of polyethylene closed-cell foam plate; Be arranged into the vertical check gate seam pier template on top in each cushion block outside, corresponding second pair of each cushion block outside is drawn set bolt to be set on the check gate seam pier template, draws the nut that is threaded respectively on the set bolt each second pair of the outside of check gate seam pier template;
5) continuous placing check gate seam pier;
6) check gate seam pier is maintained;
7) draw set bolt to separate from each second pair on each nut, remove check gate seam pier template;
8) take off each cushion block from check gate seam pier;
9) each second pair that exposes on the cutting removal check gate seam pier is drawn set bolt, and mends flat in former cushion block position with cement mortar.
According to the described concrete sluice of claim 2 seam pier to top one-time-concreting technology, it is characterized in that in each cushion block, offering with corresponding second pair draw the supporting transverse holes of set bolt external diameter.
According to the described concrete sluice of claim 2 seam pier to top one-time-concreting technology, it is characterized in that stitching between the pier template with described check gate the anchoring wooden unit be set at nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110043219 CN102162224B (en) | 2011-02-23 | 2011-02-23 | Top reaching one-time casting process of concrete check gate seam pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110043219 CN102162224B (en) | 2011-02-23 | 2011-02-23 | Top reaching one-time casting process of concrete check gate seam pier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102162224A true CN102162224A (en) | 2011-08-24 |
| CN102162224B CN102162224B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110043219 Active CN102162224B (en) | 2011-02-23 | 2011-02-23 | Top reaching one-time casting process of concrete check gate seam pier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130889A (en) * | 2017-12-25 | 2018-06-08 | 上海市水利工程集团有限公司 | Pump lock main body bottom plate and flow channel layer side wall step construction joint method for production |
| CN111749455A (en) * | 2020-07-16 | 2020-10-09 | 江苏省江建集团有限公司 | Construction method of observation tower with inverted cone-shaped tower top |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392513A (en) * | 2008-10-28 | 2009-03-25 | 中国水电顾问集团华东勘测设计研究院 | Structural joint design by utilizing exterior hydraulic pressure and construction process thereof |
| JP4297812B2 (en) * | 2004-03-12 | 2009-07-15 | 五洋建設株式会社 | Rotary gate |
| CN201411665Y (en) * | 2009-04-17 | 2010-02-24 | 广西壮族自治区水电工程局 | Hydraulic leveling inside-elevating type slide-rising template of pier |
-
2011
- 2011-02-23 CN CN 201110043219 patent/CN102162224B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4297812B2 (en) * | 2004-03-12 | 2009-07-15 | 五洋建設株式会社 | Rotary gate |
| CN101392513A (en) * | 2008-10-28 | 2009-03-25 | 中国水电顾问集团华东勘测设计研究院 | Structural joint design by utilizing exterior hydraulic pressure and construction process thereof |
| CN201411665Y (en) * | 2009-04-17 | 2010-02-24 | 广西壮族自治区水电工程局 | Hydraulic leveling inside-elevating type slide-rising template of pier |
Non-Patent Citations (2)
| Title |
|---|
| 《建设科技》 20090731 胡肖姬 超高砼墙一次完成浇筑施工技术 , 第14期 * |
| 《浙江水利科技》 20070531 李茂三等人 大钢模一次浇筑成型技术在曹娥江大闸混凝土闸墩施工中的应用 第63-64页 , 第3期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130889A (en) * | 2017-12-25 | 2018-06-08 | 上海市水利工程集团有限公司 | Pump lock main body bottom plate and flow channel layer side wall step construction joint method for production |
| CN111749455A (en) * | 2020-07-16 | 2020-10-09 | 江苏省江建集团有限公司 | Construction method of observation tower with inverted cone-shaped tower top |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102162224B (en) | 2013-05-08 |
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Owner name: JIANGSU SURVEYING AND DESIGN INSTITUTE OF WATER RE Free format text: FORMER OWNER: XU GUANGHUA Effective date: 20130701 |
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Effective date of registration: 20130701 Address after: 225009 building, building 209, Ji'an Road, 1 Yangzhou Road, Jiangsu, Ji'an Patentee after: Jiangsu Surveying and Design Institute of Water Resources Co., Ltd. Address before: 225009 Jiangsu city of Yangzhou province university road yanchishan District 12 No. 403 Patentee before: Xu Guanghua |
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Inventor after: Xu Guanghua Inventor after: Dan Haichun Inventor after: Jiao Jianhua Inventor before: Xu Guanghua |
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