CN104846935B - Head-tank treating seepage remodeling method - Google Patents
Head-tank treating seepage remodeling method Download PDFInfo
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- CN104846935B CN104846935B CN201510127936.5A CN201510127936A CN104846935B CN 104846935 B CN104846935 B CN 104846935B CN 201510127936 A CN201510127936 A CN 201510127936A CN 104846935 B CN104846935 B CN 104846935B
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- reinforced concrete
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
- E03B11/12—Arrangements or adaptations of tanks for water supply for public or like main water supply of high-level tanks
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- Engineering & Computer Science (AREA)
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Abstract
The present invention proposes a kind of head-tank treating seepage remodeling method, the reinforced concrete water pond at head-tank drainpipe outlet place local outer wall and sleeve pipe are removed, and remove sump sidewall in the outer part, the both sides of removing position at pool wall arrange reinforced concrete column, the reinforced concrete wall that 800mm is thick is set between pillar, does steel concrete liner at remaining three the hole walls of sump and the inner side at the end, hole; At new and old steel concrete in conjunction with end, the closed water-swellable sealing adhesive tape handing over circle is set; Gutter is directly imbedded in reinforced concrete wall, and gutter is provided with three road steel plate for sealing water, and ring seal adhesive tape is set at the steel plate for sealing water place of centre; Between gutter and valve, set up pipeline compensator, and the caliber that on pipeline before valve, welding one is upright is with the pump-line of gutter.Seepage head-tank structure crack being produced by this method is solved, and has no and occur cracking Seepage in using up to now.
Description
Technical field
The present invention relates to building structure waterproof technique field, be specially a kind of head-tank treating seepage remodeling method.
Background technology
At present, the high-level reservoir of general territory is reinforced concrete structure, and concrete reservoir way is constructed according to " rectangle steel bar concrete reservoir " (05S804) standard.Reservoir base plate and wall thickness are 250mm, and reservoir is ground or underground type, and pond body concrete strength grade is C25, seepage-resistant grade S6, and pool wall and floor reinforcement are double-deck main muscle Φ 12100, negative muscle Φ 12200; Sink adopts two-step pouring shaping, and constuction joint adopts waterstop.Reservoir water inlet pipe and water outlet pipe pre-buried A type soft waterproof casing, and cover has II RunddichtringO; Head-tank upper hose adopts the cast iron pipe buried-pipe laying of DN100, and gutter generally adopts the pipeline of DN200 or DN250, and pipeline adopts direct-burried or built on stilts surface.In standard drawing, pond is all thought of as static water removal, pipe drainage generally can not impact pond body structure, occur that leakage cause is all that seepage appears in sleeve pipe place, pond because construction reason causes or pool wall, generally adopt inner waterproofing process just can play regulation effect to treating seepage.
In the general selected standard drawing of high-level reservoir of plant area, the service sleeve hole of sink is maximum considers DN700, and the pool wall thickness at sleeve pipe place is designed to 250mm.Such as, but often there is following situation when using in the design and construction of the high-level reservoir of actual plant area: the sleeve pipe hole that 1, draining is pre-buried is likely greater than DN700, DN800-DN1600; 2, need the short time (about 1 minute) that water under drained for the water in the body of pond, such using state can be produced Hui Li to pipeline, sleeve pipe and pool wall when reservoir uses; 3, due to gutter surface, use middle winter or summer variations in temperature maximum, on pipeline, temperature compensation means is not in place.The factors such as comprehensive above technique, temperature, using state, if to construct the leakage problems that just there will be caused by structure crack by design standard figure again, if now single general mending-leakage, reinforcement solutions of adopting is (behind expansive mortar filling pool wall crack, remake inner waterproofing to process), can not tackle the problem at its root, after waterproofing work, leakage scenarios still exists, and available water capacity can not reach and uses water requirement.
Summary of the invention
After structure crack seepage appears in existing high-level reservoir, general mending-leakage, reinforcement solutions fundamentally cannot solve leakage problems, the present invention proposes a kind of head-tank treating seepage remodeling method.
Technical scheme of the present invention is:
Described a kind of head-tank treating seepage remodeling method, is characterized in that: comprise the following steps:
Step 1: the reinforced concrete water pond at head-tank drainpipe outlet place local outer wall and sleeve pipe are removed, and sump sidewall is in the outer part removed; After having removed, the reinforced concrete surface removing position is cleaned up, do not stay loosening concrete particle, and the steel bar end protruded length in raw steel tendon concrete structure is not less than 150mm;
Step 2: adopt following process reinforce head-tank and fix a drainpipe:
The C30 steel bar concrete reinforcement of seepage-resistant grade P6 is adopted to the pool wall and sump wall of removing position: the reinforced concrete column that depth 1300mm × width 800mm is set respectively in the both sides at pool wall dismounting position, arrange the thick reinforced concrete wall of 800mm between two reinforced concrete columns, the reinforcing bar of reinforced concrete wall both sides anchors in reinforced concrete column; Reinforced concrete column, reinforced concrete wall and pool wall adopt bar planting method to be connected; Increase at remaining three the hole walls of sump and the inner side at the end, hole and do steel concrete liner, the reinforcement foundation of the reinforcing bar of liner and reinforced concrete column and reinforced concrete wall is connected in one; At newly-increased steel concrete and former head-tank steel concrete in conjunction with end, arrange and closedly hand over the water-swellable sealing adhesive tape of enclosing;
Gutter caliber being not more than DN1600 is directly imbedded in reinforced concrete wall, and gutter is provided with three road steel plate for sealing water, and arranges ring seal adhesive tape at the steel plate for sealing water place of centre; When gutter is imbedded reinforced concrete wall, poured into a mould at twice by steel concrete, constuction joint is located at the steel plate for sealing water middle part on gutter, and constuction joint place establishes steel plate water stopper;
Step 3: set up pipeline compensator between gutter and valve, and the caliber that on pipeline before valve, welding one is upright is with the pump-line of gutter, pump-line top open-ended.
Beneficial effect
1, the present invention removes position at pool wall, namely at the reinforced concrete column each side arranging a 1300mm (depth) × 800mm (width) at the square hole that dismounting is formed afterwards, and the reinforced concrete wall establishing 800mm thick between two posts, its effect is that the response produced pool wall in order to pipeline when weakening moment draining affects, and response is rebounded to the pipeline compensator place set up between basin outlet pipeline and valve, eliminate Hui Li by expansion loop, thus effectively prevent the pool wall structure crack of the pond appearance dynamically used.
2, be different from the effect of pre-buried A type soft waterproof casing in existing construction, caliber is not more than the direct Transducers Embedded in Concrete wall of gutter of DN1600 by the present invention in the thick reinforced concrete wall of 800mm.The reason of this technical characteristic is adopted to be: if adopt pre-buried A type soft waterproof casing, the response that during moment draining, pipeline produces just acts on the pipeline in exit, the rubber seal of pipeline and water string sealing part is produced rub, along with the frequency of utilization of pipeline increases, in the course of time, the rubber seal breakage of sleeve pipe sealing part, distortion will be made or reduce, make to occur gap between pipeline and sleeve pipe and Seepage can be produced; Therefore only have the Seepage direct for gutter Transducers Embedded in Concrete wall being eliminated pipeline exit, the response that pipeline is produced effectively rebounds and stops pipeline compensator place.
3, the pipeline of the present invention also before valve arranges pump-line, its effect reduces the pond moment emptying negative pressure produced concrete top, pond, thus reach the effect of protection pond roof construction.
Accompanying drawing explanation
Fig. 1: the reinforcing plan view taked at dismounting position pool wall;
Fig. 2: the reinforcing sectional drawing that pool wall and sump are taked;
Fig. 3: the upright figure of reinforcing taked at dismounting position pool wall;
Fig. 4: establish waterstop schematic diagram at new-old concrete interface.A () is the waterstop schematic diagram of right side circle inner concrete pillar and former pool wall in Fig. 1; B () is the waterstop schematic diagram of left side circle inner concrete pillar and former pool wall in Fig. 1; C () is concrete wall in Fig. 2 and the waterstop schematic diagram removing pool wall above position; D () cheats the waterstop schematic diagram of wall for liner in Fig. 2 and sump.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described:
The present embodiment with the head-tank of certain plant area for rebuilding and improving object.Head-tank is positioned on hillside in the south, local maximum temperature 40 DEG C, minimum temperature about-12 DEG C, sooner or later and summer in the winter temperature difference larger.The high-level reservoir of plant area, No. 1 reservoir 15.9m × 15.9m × 4.0m, net volume is 1000m
3, for fire-fighting and living water use; No. 2 reservoir 27.3m × 19.5m × 4.0m, net volume is 2000m
3, for industrial water.No. 1 is connected together with No. 2 reservoirs, and two ponds are reinforced concrete structure, the thick 250mm of base plate, wall thickness 250mm, the thick 300mm of partition wall in two ponds, the thick 180mm of top board; Basement process adopts the thick 3:7 cushion lime of 1.0m, and put 1 meter outward, require that coefficient of consolidation is not less than 0.97, the bearing capacity of foundation soil after process is not less than 150KPa.Reservoir is ground type, and reservoir and puddle way refer to " rectangle steel bar concrete reservoir " (05S804/130,159).Pond body concrete strength grade is C25, seepage-resistant grade S6, and pool wall and floor reinforcement are double-deck main muscle Φ 12100, negative muscle Φ 12200; Sink adopts two-step pouring shaping, arranges one horizontal construction joint in the middle part of the pool wall that two pond periphery base top turn over 500mm place, employing rubber fastening band sealing.
Reservoir water inlet pipe and water outlet pipe all pre-buried A type soft waterproof casing, II RunddichtringO; The cast iron pipe of head-tank upper hose employing DN100 is buried to be laid to pond from pump house; Gutter adopts the steel pipe of DN1600, it is the slope of 23 ° from pond to mountain root section, slope is high is 63 meters, length of grade horizontal projection 163 meters, 13 steel concrete buttress are provided with altogether every 14 or 18 meters at slope section, buttress is of a size of 2.0 meters × 3.0 meters × 2.1 meters, buttress buried depth 1.6 meters, the gutter of DN1600 is laid on concrete buttress, at pipeline, 16# channel-section steel fixed-piping is set, and steel mesh reinforcement is set in channel-section steel periphery, after Pipe installing is complete, with concrete, channel-section steel and pipeline are carried out wrapping up fixing pipeline; Valve well is provided with in head-tank outlet and slope end and main pipeline connection place.
In July, 2012, head-tank was delivered for use, along with the frequent use to 2012 of producing finds that year by the end of December the pool wall around the bottom of No. 2 production reservoir outlet pipe pre-embedded water-proof sleeve tubes and west side has open fire to ooze out, along with the frequency of utilization of producing, to increase water percolating capacity increasing; After pond, in January, 2013 gap to be produced is finished water, No. 2 production reservoirs are checked, occur in pool wall and neighbouring sump angle around No. 2 reservoir outlet pipe service sleeves and have obvious seminess, add just as the most cold season joint of the Winter Solstice for not affecting production, so only fracture is clogged, and done SBC120 waterproof roll at all walls of sleeve pipe and the increasing of sump place, have no seepage after discharging water; Continue to use to pond when producing afterwards, to in by the end of March, 2013 (spring), find the more and more terrible of No. 2 reservoir former leakage seepages, its available water capacity can not reach the requirement of explained hereafter water, and general mending-leakage, reinforcement solutions fundamentally cannot solve leakage problems.
For solving No. 2 reservoir structure cracking leakage problems, in the present embodiment, by following steps, rebuilding and improving is carried out to No. 2 reservoirs:
Step 1: the reinforced concrete water pond at head-tank DN1600 drainpipe outlet place local outer wall and sleeve pipe are removed, dismounting scope is that sleeve pipe is left and right, pool wall within the scope of each 900mm in top, and sump sidewall is in the outer part removed; Cleaning up removing the reinforced concrete surface at position after having removed, do not stay loosening concrete particle, and the steel bar end protruded length in raw steel tendon concrete structure being not less than 150mm, so as with the bar connecting in post-reinforcing concrete.
Step 2: adopt following process reinforce head-tank and fix a drainpipe:
The C30 steel bar concrete reinforcement of seepage-resistant grade P6 is adopted to the pool wall and sump wall of removing position: the reinforced concrete column that depth 1300mm × width 800mm is set respectively in the both sides at pool wall dismounting position, arrange the thick reinforced concrete wall of 800mm between two reinforced concrete columns, the reinforcing bar of reinforced concrete wall both sides anchors in reinforced concrete column.Reinforced concrete column, reinforced concrete wall and pool wall adopt bar planting method to be connected; Increase at remaining three the hole walls of sump and the inner side at the end, hole and do the thick steel concrete liner of 250mm or 300mm, the reinforcement foundation of the reinforcing bar of liner and reinforced concrete column and reinforced concrete wall is connected in one, make to form an entirety with the pillar of new work and wall at the bottom of new sump, as shown in FIG. 1 to 3.At newly-increased steel concrete and former head-tank steel concrete in conjunction with end, arrange and closedly hand over the water-swellable sealing adhesive tape of enclosing, prevent the old and new's concrete seam crossing from seeping water.
DN1600 gutter is directly imbedded in reinforced concrete wall, and gutter is provided with three road steel plate for sealing water, and ring seal adhesive tape is set at the steel plate for sealing water place of centre.For preventing occurring uncompacted phenomenon when imbedding concrete construction around the gutter in the thick reinforced concrete wall of 800mm, when reinforced concrete wall imbedded by gutter, steel concrete is poured into a mould at twice, constuction joint is located at the steel plate for sealing water middle part on gutter, and constuction joint place establishes steel plate water stopper.
Step 3: in order to eliminate the stress of variations in temperature and pond use generation to the impact of new work structure, avoiding again seepage occurring, set up pipeline compensator between gutter and valve.In order to eliminate the pond moment emptying negative pressure produced top, pond, the pipeline before valve welds the pump-line of a upright caliber with gutter, pump-line top open-ended, and pump-line overhead height is not less than head-tank Chi Ding.
Carry out reforming processing according to above step to No. 2 reservoirs, the seepage that head-tank structure crack is produced is solved, and has no and occur cracking Seepage in using up to now.
Claims (1)
1. a head-tank treating seepage remodeling method, is characterized in that: comprise the following steps:
Step 1: the reinforced concrete water pond at head-tank drainpipe outlet place local outer wall and sleeve pipe are removed, and sump sidewall is in the outer part removed; After having removed, the reinforced concrete surface removing position is cleaned up, do not stay loosening concrete particle, and the steel bar end protruded length in raw steel tendon concrete structure is not less than 150mm;
Step 2: adopt following process reinforce head-tank and fix a drainpipe:
The C30 steel bar concrete reinforcement of seepage-resistant grade P6 is adopted to the pool wall and sump wall of removing position: the reinforced concrete column that depth 1300mm × width 800mm is set respectively in the both sides at pool wall dismounting position, arrange the thick reinforced concrete wall of 800mm between two reinforced concrete columns, the reinforcing bar of reinforced concrete wall both sides anchors in reinforced concrete column; Reinforced concrete column, reinforced concrete wall and pool wall adopt bar planting method to be connected; Increase at remaining three the hole walls of sump and the inner side at the end, hole and do steel concrete liner, the reinforcement foundation of the reinforcing bar of liner and reinforced concrete column and reinforced concrete wall is connected in one; Respectively at reinforced concrete column, reinforced concrete wall and steel concrete liner, with former head-tank steel concrete in conjunction with end, the closed water-swellable sealing adhesive tape handing over circle is set;
Gutter caliber being not more than DN1600 is directly imbedded in reinforced concrete wall, and gutter is provided with three road steel plate for sealing water, and arranges ring seal adhesive tape at the steel plate for sealing water place of centre; When gutter is imbedded reinforced concrete wall, poured into a mould at twice by steel concrete, constuction joint is located at the steel plate for sealing water middle part on gutter, and constuction joint place establishes steel plate water stopper;
Step 3: set up pipeline compensator between gutter and valve, and the caliber that on pipeline before valve, welding one is upright is with the pump-line of gutter, pump-line top open-ended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510127936.5A CN104846935B (en) | 2015-03-23 | 2015-03-23 | Head-tank treating seepage remodeling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127936.5A CN104846935B (en) | 2015-03-23 | 2015-03-23 | Head-tank treating seepage remodeling method |
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| Publication Number | Publication Date |
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| CN104846935A CN104846935A (en) | 2015-08-19 |
| CN104846935B true CN104846935B (en) | 2016-04-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166771A (en) * | 2017-11-29 | 2018-06-15 | 河北省第二建筑工程有限公司 | Steel reinforced concrete pool structural reform makes construction method |
| CN110761575B (en) * | 2019-10-17 | 2021-05-28 | 上海市基础工程集团有限公司 | Recoverable device for dry operation construction of partial pool wall transformation under full-water operation working condition of pool |
| CN112538893B (en) * | 2020-10-27 | 2024-05-03 | 上海市政工程设计研究总院（集团）有限公司 | Structure of current pool side wall opening hole penetrating pipe |
| CN112983061A (en) * | 2021-02-26 | 2021-06-18 | 中国二十冶集团有限公司 | High-order water stage waterproof construction of theater |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19634869B4 (en) * | 1996-08-29 | 2006-11-16 | Vatec-Maschinenbau Dipl.-Ing. Werner Fass Gmbh | Drainage system for the disposal of waste water by means of compressed air |
| JPH11210042A (en) * | 1998-01-21 | 1999-08-03 | Takashi Ito | Water leakage detector for water closet |
| JP2001040717A (en) * | 1999-07-30 | 2001-02-13 | Takiron Co Ltd | Simplified built-up tank |
| AU5114100A (en) * | 2000-06-15 | 2001-12-24 | Jongsung Choi | Device for blocking water leak for use in a toilet bowl |
| CN100443675C (en) * | 2006-10-26 | 2008-12-17 | 浙江沁园水处理科技股份有限公司 | Household different water supply system |
| CN101012657A (en) * | 2006-12-27 | 2007-08-08 | 广州大学 | Pressure superposition water supply system for pressure-continuous type pipe network |
| CN201058999Y (en) * | 2007-06-05 | 2008-05-14 | 张明亮 | Relay type non-negative pressure waterworks |
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Address after: 710025 No.1 Tianwang Street, Xi'an City, Shaanxi Province Patentee after: Xi'an Aerospace Construction Supervision Co., Ltd. Address before: 710025 No.1 Tianwang Street, Xi'an City, Shaanxi Province Patentee before: Xi'an space flight construction inspection & management |
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