CN110468790A - A kind of aqueduct body post-pouring zone construction process - Google Patents
A kind of aqueduct body post-pouring zone construction process Download PDFInfo
- Publication number
- CN110468790A CN110468790A CN201910856405.8A CN201910856405A CN110468790A CN 110468790 A CN110468790 A CN 110468790A CN 201910856405 A CN201910856405 A CN 201910856405A CN 110468790 A CN110468790 A CN 110468790A
- Authority
- CN
- China
- Prior art keywords
- post
- outer side
- cast strip
- steel plate
- concrete
- Prior art date
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000008569 process Effects 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 92
- 239000010959 steel Substances 0.000 claims abstract description 92
- 239000004567 concrete Substances 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract 2
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 239000003292 glue Substances 0.000 claims description 13
- 239000000084 colloidal system Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 230000008961 swelling Effects 0.000 claims description 10
- 238000009415 formwork Methods 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 244000055346 Paulownia Species 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000011440 grout Substances 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000010348 incorporation Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000002436 steel type Substances 0.000 claims description 4
- UOZOCOQLYQNHII-UHFFFAOYSA-N 6-bromo-2-(6-bromo-3-hydroxy-1H-indol-2-yl)indol-3-one Chemical compound [O-]c1c([nH]c2cc(Br)ccc12)C1=[NH+]c2cc(Br)ccc2C1=O UOZOCOQLYQNHII-UHFFFAOYSA-N 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 229920001021 polysulfide Polymers 0.000 claims 1
- 239000005077 polysulfide Substances 0.000 claims 1
- 150000008117 polysulfides Polymers 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 28
- 238000003466 welding Methods 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000004587 polysulfide sealant Substances 0.000 description 2
- 238000012384 transportation and delivery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- -1 stone-laying Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
-
- 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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/04—Navigable canals
Abstract
The present invention relates to a kind of aqueduct project technical field of construction, espespecially a kind of aqueduct body post-pouring zone construction process, it is main comprising steps of 1, carry out dabbing at conjunction old and new concret basal plane and clean；2, processing of rust removing is carried out to rebar surface；3, post-cast strip ponding is drained；4, pre-buried installation fixing steel plate and bolt；5, alter-pouring strips mould plate and auxiliary stand are installed；6, a bed boundary agent or plain-water slurry are brushed before post-cast strip pours；7, testing and finishing；8, concreting is carried out to post-cast strip；9, concrete curing is carried out to post-cast strip；10, it polishes steel plate basal plane；11, waterstop is installed on the inside of aqueduct body；12, water sealing structure is installed on the outside of waterstop；The higher technique of difficulty of construction is shifted to an earlier date pre-operation by the way of prefabricated or pre-buried installation by the present invention, mitigates the construction burden of work progress, and step linking is close, and procedure arrangement is efficient, and stable and firm construction basis is provided for post-cast strip one-piece casting.
Description
Technical field
The present invention relates to a kind of aqueduct project technical field of construction, espespecially a kind of aqueduct body post-pouring zone construction process.
Background technique
China's water resources allocation project is to supply water from eservoir diversion to exhausting along the line, industry and designated area agricultural,
Solve the problems, such as the one large-scale water resources allocation project of some areas drought and water shortage；Engineering works include aqueduct, open channel etc.,
Aqueduct refer to conveying ditch water flow across rivers and canals, trench, depression and road aerial sink, be commonly used to irrigation water delivery, also use
In drain off floodwaters, sand discharge etc., large-sized aqueduct can also open the navigation or air flight；Aqueduct is mainly built up with materials such as stone-laying, concrete and armored concrete,
Aqueduct is made of the part such as inlet and outlet section, slot body, supporting structure and basis, and wherein aqueduct body mainly plays water delivery, for
Beam type, the arched aqueduct that spandrel structure is framed bent formula, slot body also play longitudinal beam action；Since aqueduct is generally by multistage across segmentation
Composition, aqueduct length is longer, and the region of process is more, and generally 25-35m mono- across between across and respectively needing that post-cast strip is arranged,
For high altitude operation, trouble free service is extremely important, and work progress is the technique mistake that working procedure is more complex, difficulty is bigger than normal
Journey, it is therefore desirable to it is a kind of standardization and raising security performance construction method for water resources allocation project aqueduct construction in,
The Long-term planning development of water resources allocation project can be just conducive to.
Summary of the invention
To solve the above problems, the present invention is directed to disclose a kind of aqueduct project technical field of construction, espespecially a kind of aqueduct slot
Body post-pouring zone construction process.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of aqueduct body post-pouring zone construction process, including
For adjacent two across aqueduct body, the adjacent surface of two aqueduct bodies is interior wall, and aqueduct body is exterior wall outwardly, and post-cast strip is arranged two
Across being used as construction joint between aqueduct body, which is characterized in that the construction technology it is main comprising steps of
Basal plane dabbing is carried out at the first step, the conjunction old and new concret basal plane at aqueduct body and is cleaned up；
Second step prepares reinforcing bar, waterstop, water sealing structure, applies when to be installed, while carrying out at derusting to rebar surface
Reason；
Third step is extracted the ponding at post-cast strip out and is dried；
4th step, pre-buried installation fixing steel plate and bolt on combining basal plane, wherein fixing steel plate is in positioning using fixed
Bit line label；
5th step, installation alter-pouring strips mould plate and auxiliary stand；
6th step, processing concrete interface, a bed boundary agent or plain-water slurry are brushed before post-cast strip pours, is poured to be subsequent
Concrete is built to prepare；
7th step, inspection pour pre-treatment and work and modify to unqualified place；
8th step carries out concreting to post-cast strip；
9th step carries out concrete curing to post-cast strip；
Tenth step carries out polishing finishing processing to the steel plate basal plane for completing installation fixing steel plate；
11st step installs waterstop on the inside of aqueduct body；
12nd step installs water sealing structure on the outside of waterstop, is then closed at water stopping trough using acrylamide sand grout.
Preferably, it in the 4th step, further comprises the steps of:
4-1) before fixing steel plate installation, position line label is carried out on the combination basal plane completing dabbing and cleaning out；
4-2) pre-buried fixing steel plate is pre-positioned by two reinforcing bars, and the steel of two 20 reinforcing bars and aqueduct body structure
Muscle is connected, and fixing steel plate is mounted on reinforcing bar so that fixing steel plate stationary positioned on combining basal plane；
Bolt hole is opened up on fixing steel plate 4-3) to install bolt, each bolt hole center on fixing steel plate is away from post-cast strip
Length be 11.5cm, waterstop installation site is determined by pre-embedded bolt；
Prepare to pour aqueduct body concrete after 4-4) bolt, sleeve and fixing steel plate and combination basal plane are fixed.
Preferably, in the 5th step, the alter-pouring strips mould plate includes formwork structure and auxiliary stand；The template knot
Structure includes bed die, internal model, outer side mold, panel and pull rod beam, and assembled formation is the analog-U shaped template for matching aqueduct body, analog-U shaped mould
Plate is made of the template top of U-shape and the template lower part of frame shape, and the outer side mold and bed die are vertically connected with and are set as mould
The both sides lateral surface of plate, internal model are set as the medial surface of template；Passing through panel splicing between outer side mold and internal model is stereochemical structure；
Wherein the outer side mold and bed die are each provided at two, are respectively symmetrically mounted on two side position of template；The pull rod beam rides upon
To pass through two outer side mold tie-strut beams on two outer side molds；The internal model includes inner mold sides, internal model bottom surface and internal model top surface,
It is installed on the inside of panel；The auxiliary stand is mounted at outer side mold or the internal model on template top, including movable back frame, bracket,
Strut, to pull rod and jacking.
Preferably, in the 5th step, alter-pouring strips mould plate construction is further comprised the steps of:
Post-cast strip bed die 5-1) is fixedly mounted, then passes through first layer outer side mold, second layer outer side mold, third layer outer side mold
Assembling forms the outer side mold of post-cast strip, is attached reinforcing by truss；
When outer side mold 5-2) is installed, so that outer side mold is slid or is lifted in place first, be aligned with the relative position of bed die, with top
The verticality of compression bar adjustment outer side mold；
After 5-3) outer side mold is installed, it is subject to fixation with bindiny mechanism, and install to pull rod；
5-4) internal model carries out mobile segmented assembly by auxiliary stand, and when internal model section assembling, patch is two-sided in seam
Adhesive tape；
Vertical installation panel 5-5) is propped up, erection sequence is first to install from bed die, then install from side form；
Concreting is carried out after alter-pouring strips mould plate overall structure 5-6) is installed, and according to aqueduct body cross-sectional configuration one
Secondary to pour completion, alter-pouring strips mould plate presets water stopping trough.
Preferably, in the 8th step, post-cast strip concrete pouring construction process is further comprised the steps of:
8-1) the concrete poured using C50W8F150 slightly expanded concrete as post-cast strip, concrete preparation incorporation water
Mud and UEA swelling agent, wherein the content of UEA swelling agent is the 10-15% of cement consumption, and error is being equal to or less than 0.5% model
In enclosing；
8-2) when the concreting of post-cast strip, placing temperature≤26 DEG C, and >=5 DEG C；
Concrete is stirred evenly by forced mixer after 8-3) mixing UEA swelling agent.
Preferably, it in the tenth step, further comprises the steps of:
10-1) before water sealing structure installation, steel plate basal plane grinding process passes through after concrete combination basal plane dabbing
Giant is rinsed well, uniformly one bed boundary agent of coating after drying；
10-2) check that whether water stopping trough range inner concrete pours closely knit, when concrete density deficiency, cuts in time
Loose concrete and that the filling of steel bonding glue is perfused is closely knit.
Preferably, it in the 11st step, further comprises the steps of:
11-1) after completing post-cast strip concreting, concrete curing, after concrete reaches 6.5-8.5 days intensity, into
The installation of row rubber fastening band；
11-2) waterstop is rubber fastening band, by the third paulownia or alcohol washes water stopping trough basal plane before installation, to rubber water-proof
Band and the adhesive surface of fixing steel plate adhesion progress grinding process are simultaneously clean with the third paulownia or alcohol washes；
The bolt hole position on rubber water-proof band then 11-3) is determined according to pre-embedded bolt hole location, on rubber water-proof band
When drilling control hole away between bolt on steel plate basal plane pitch-row it is identical；
Steel type structure glue 11-4) is uniformly coated on the adhesive surface of rubber fastening band, from aqueduct body bottom to two sides according to
Secondary installation rubber fastening band clears up spilling colloid after colloid sufficiently solidifies again；
After 11-5) pasting rubber fastening band, STAINLESS STEEL NUTS is installed in place on steel plate basal plane, bolt is installed in place
Afterwards, with pouring type steel bonding glue that bolt and the perfusion of fixing steel plate seam crossing is closely knit；
Sealing pressing plate 11-6) is installed in rubber water-proof belt surface, while Upper gasket and nut being installed, the positioning of adjustment position is quasi-
Pressing is tightened after really, until there are colloid spilling in two sides, nut, which is subject to, to be tightened, after the solidification of sealing pressing plate colloid, to water stopping trough
Interior progress local repair and cleaning.
Preferably, it in the 12nd step, further comprises the steps of:
12-1) water sealing structure is zinc-plated copper seal, and the water sealing structure of post-cast strip is mounted under the bottom plate of aqueduct body
At 32cm, the connection surface of water sealing structure be it is smooth, without hole, free from flaw surface；
12-2) successively water stopping trough backfilled with M40 preshrunk acrylamide sand grout from bottom to top since aqueduct body bottom it is closely knit,
And it carries out mortar and vibrates and maintenance work；
Fog curing is first used 24 hours when 12-3) conserving, then wet curing, after mortar confining bed reaches intensity requirement,
Sealing slot is filled into Bituminous hemp fiber, finally the parting between slot body is embedded in ethylene closed cell cystosepiment and two-component polysulfide
Sealant.
The beneficial effects of the present invention are embodied in: the present invention by provide a kind of aqueduct body post-cast strip that can be easy to construction by
Construction technology is walked, the difficulty of construction of aqueduct body and post-cast strip high altitude operation is overcome, improves security protection performance, prevent from pacifying
The generation of full accident；The higher technique of difficulty of construction is shifted to an earlier date pre-operation by the mode of of the invention prefabricated first or pre-buried installation, is subtracted
The construction burden of light work progress, then step linking of the present invention is close, and procedure arrangement is efficient, avoids because construction procedure is random
Construction procedure very complicated caused by drawing, thirdly post-cast strip component part of the invention provides surely for post-cast strip one-piece casting
Fixed firm construction basis, so that the present invention has on manpower, material, time and construction cost greatly to be reduced, together
When more improve construction efficiency, unobstructed sequence of constructing is made by stepwise, and safe and reliable.
Detailed description of the invention
Fig. 1 is late poured band structure figure of the invention.
Fig. 2 is post-cast strip installation template structure chart of the invention.
Attached drawing mark explanation: 1- bed die, 2- internal model, 3- outer side mold, 4- panel, 5- pull rod beam, 6- template top, 7- template
Lower part, 11- internal model upper side, 12- internal model downside, 13- internal model top surface, 14- internal model bottom surface, 31- first layer outer side mold, 32-
Second layer outer side mold, 33- third layer outer side mold, 91- movable back frame, 92- bracket, 93- strut, 94- is to pull rod, 95- jacking.
Specific embodiment
The embodiment of the invention will now be described in detail with reference to the accompanying drawings:
The present embodiment is equipped with 4 sections of aqueducts, and 4 sections of aqueducts are 30m mono- across being designed as single hole beam type prestressed rectangular slot, adopt
With three dimension prestressing Reinforced Concrete Simple structure, using cast-in-place construction, single slot cross dimension: Internal periphery 6.4m × 4.9m
(clear span × clear height), outer profile 8.6m × 7.0~6.5m, bottom plate thickness 0.4m, sidewall thickness 0.5m, empty slot weight about 1135t,
It is relatively independent between simply supported beam, convenient for arranging construction, post-cast strip, wide 2 × 0.55m are respectively set across between；
Preparative work before construction points for attention: before post empiricism, first the concrete surface of New-old concrete joint surface is dug
Hair, and guarantee there is >=coarse the faying face of 6mm, is then rinsed well, and watering is wet before pouring, but avoids ponding, subsequently into
The welding procedure test of row red copper sealing piece is implemented after test is completed and management is reported to examine；Straightening slot body when tensioning because being bent
Reinforcing bar, and thickness 1mm, width 200mm that when former slot body is poured adds cross zinc steel plate straightening, and with steel wire lump or steel wire
Brush is cleared up and is cleaned to the dirt and cement slurry that cross on zinc steel plate, checks whether stainless steel fixing steel plate pitch-row is consistent, hole
Whether diameter is mating with the diameter of bolt；
The present embodiment provides a kind of aqueduct body post-pouring zone construction process, including adjacent two across aqueduct body, two aqueducts
The adjacent surface of slot body is interior wall, and aqueduct body is exterior wall outwardly, post-cast strip setting two across being used as construction joint between aqueduct body,
The construction technology it is main comprising steps of
Basal plane dabbing is carried out at the first step, the conjunction old and new concret basal plane at aqueduct body and is cleaned up；
Second step prepares reinforcing bar, waterstop, water sealing structure, applies when to be installed, while carrying out at derusting to rebar surface
Reason, water sealing structure are zinc-plated copper seal, carry out straightening to water sealing structure, waterstop is rubber fastening band；
Third step is extracted the ponding at post-cast strip out and is dried；
4th step, pre-buried installation fixing steel plate and bolt on combining basal plane, wherein fixing steel plate is in positioning using fixed
Bit line label；
Further, it is further comprised the steps of: in the 4th step
4-1) before fixing steel plate installation, position line label is carried out on the combination basal plane completing dabbing and cleaning out；It adopts
Position line is popped up according to away from the position at aqueduct body interior wall 8cm with ink fountain；Using the stainless steel plate of 120mm × 18mm as fixed
Position steel plate；
4-2) pre-buried fixing steel plate is pre-positioned by two 20 reinforcing bars as positioning bar, and two 20 reinforcing bars and aqueduct
The reinforcing bar of slot body structure is connected, and fixing steel plate is mounted on reinforcing bar so that fixing steel plate stationary positioned on combining basal plane, more promotees
Into solid and reliable；
Bolt hole is opened up on fixing steel plate 4-3) to install bolt, each bolt hole center on fixing steel plate is away from post-cast strip
Length be 11.5cm, waterstop installation site is determined by pre-embedded bolt；Fixing steel plate install when keep " facade verticality and
Plane levelness "；
Prepare to pour aqueduct body concrete after 4-4) bolt, sleeve and fixing steel plate and combination basal plane are fixed；
5th step, installation alter-pouring strips mould plate and auxiliary stand；
Further, in the 5th step, alter-pouring strips mould plate construction is further comprised the steps of:
Post-cast strip bed die 5-1) is fixedly mounted, then passes through first layer outer side mold, second layer outer side mold, third layer outer side mold
Assembling forms the outer side mold of post-cast strip, is attached reinforcing by truss；
When outer side mold 5-2) is installed, so that outer side mold is slid or is lifted in place first, be aligned with the relative position of bed die, with top
The verticality of compression bar adjustment outer side mold；
After 5-3) outer side mold is installed, it is subject to fixation with bindiny mechanism's (such as bolt, clamp), and install to drawing
Bar；Length size and irregularity degree of integral mold plate etc. are checked after having adjusted other fasteners, and are made a record；It does not meet
It is required that, it should adjust in time；Outer side mold installation should accomplish that position is accurate, is completely embedded, and outer side mold and bed die seam are closely connected and not
Spillage；
5-4) internal model carries out mobile segmented assembly by auxiliary stand, and when internal model section assembling, patch is two-sided in seam
Adhesive tape；Guarantee that form joint is tight, not spillage, after internal model installs, checks whether each spot size meets the requirements；
Vertical installation panel 5-5) is propped up, erection sequence is first to install from bed die, then install from side form；
Concreting is carried out after alter-pouring strips mould plate overall structure 5-6) is installed, and according to aqueduct body cross-sectional configuration one
Secondary to pour completion, alter-pouring strips mould plate presets water stopping trough；Alter-pouring strips mould plate branch must assure that verticality < 5mm immediately；Panel flatness
< 3mm, to ensure that post-cast strip Surface Quality of Concrete meets code requirement, post-cast strip dedicated templates must be installed securely, tightly,
Mortar leakage prevention, and have good water retention；
6th step, processing concrete interface, a bed boundary agent or plain-water slurry are brushed before post-cast strip pours, is poured to be subsequent
Concrete is built to prepare；
7th step, inspection pour pre-treatment and work and modify to unqualified place；
8th step carries out concreting to post-cast strip；
Further, in the 8th step, post-cast strip concrete pouring construction process is further comprised the steps of:
8-1) the concrete poured using C50W8F150 slightly expanded concrete as post-cast strip, concrete preparation incorporation water
Mud and UEA swelling agent, wherein the content of UEA swelling agent is the 10-15% of cement consumption, and error is being equal to or less than 0.5% model
In enclosing；
8-2) when the concreting of post-cast strip, placing temperature≤26 DEG C, and >=5 DEG C；
Concrete is stirred evenly by forced mixer after 8-3) mixing UEA swelling agent, incorporation UEA swelling agent mixes
Solidifying soil mixing time extends 30S than the mixing time of normal concrete, due to aqueduct body post-cast strip be arranged in upstream and downstream two across
Between slot body, two edge lengths are 53cm, and since bottom plate, side wall are double-layer double-direction reinforcing bar, the reinforcing bar of post-cast strip position is intensive, and
Provided with U-shaped rubber fastening band, copper seal and fixing steel plate, inner space is very narrow, therefore the processing to post-cast strip
More complicated, especially concreting difficulty is larger；
9th step carries out concrete curing to post-cast strip；
Tenth step carries out polishing finishing processing to the steel plate basal plane for completing installation fixing steel plate；
Further, it in the tenth step, further comprises the steps of:
10-1) before water sealing structure installation, steel plate basal plane grinding process passes through after concrete combination basal plane dabbing
Giant is rinsed well, uniformly one bed boundary agent of coating after drying；
10-2) check that whether water stopping trough range inner concrete pours closely knit, when concrete density deficiency, cuts in time
Loose concrete and that the filling of steel bonding glue is perfused is closely knit；
11st step installs waterstop on the inside of aqueduct body；
Further, it in the 11st step, further comprises the steps of:
11-1) after completing post-cast strip concreting, concrete curing, after concrete reaches 6.5-8.5 days intensity, into
The installation of row rubber fastening band；
11-2) waterstop is rubber fastening band, by the third paulownia or alcohol washes water stopping trough basal plane before installation, to rubber water-proof
Band and the adhesive surface of fixing steel plate adhesion progress grinding process are simultaneously clean with the third paulownia or alcohol washes；
The bolt hole position on rubber water-proof band then 11-3) is determined according to pre-embedded bolt hole location, on rubber water-proof band
When drilling control hole away between bolt on steel plate basal plane pitch-row it is identical；
Steel type structure glue, bondline thickness 2-3mm, from aqueduct 11-4) are uniformly coated on the adhesive surface of rubber fastening band
Rubber fastening band is successively installed to two sides in slot body bottom, and is compacted paragraph by paragraph, and colloid is overflowed in rubber fastening band two sides after compacting, to glue
Body clears up spilling colloid after sufficiently solidifying again；
After 11-5) pasting rubber fastening band, STAINLESS STEEL NUTS is installed in place on steel plate basal plane, bolt clipping forcee >=
5kg, it is with pouring type steel bonding glue that bolt and the perfusion of fixing steel plate seam crossing is closely knit after bolt is installed in place；
Sealing pressing plate 11-6) is installed in rubber water-proof belt surface, uses width for 5cm, the stainless steel with a thickness of 5mm or plating
Hydraulic pressure plate until zinc steel plate, then opens up the several holes that diameter is 16mm on sealing pressing plate, and the spacing between several holes is corresponding
Secondly bolt pitch of holes on fixing steel plate basal plane coats steel type structure on the adhesion face of sealing pressing plate and rubber fastening band
Glue, coating layer thickness 2-3mm；Upper gasket and nut are installed simultaneously, presses and tightens after adjustment position accurate positioning, until two sides have
Colloid overflows, and nut, which is subject to, to be tightened, after the solidification of sealing pressing plate colloid, to progress local repair and cleaning in water stopping trough；
12nd step installs water sealing structure on the outside of waterstop, is then closed at water stopping trough using acrylamide sand grout, sealing
Slot includes the notch formed at steel plate basal plane and two sides concrete；
Further, it in the 12nd step, further comprises the steps of:
12-1) water sealing structure is zinc-plated copper seal, and the water sealing structure of post-cast strip is mounted under the bottom plate of aqueduct body
At 32cm, the connection surface of water sealing structure be it is smooth, without hole, free from flaw surface；When passing through welded connecting, butt seam welding should be single
Face dual-layer welding, overlap welding should be two-sided welding, and the lap of splice should be greater than 20mm, and the tensile strength of stitching portion is strong not less than base material
Degree, when installation, must keep vertical, horizontal bottom；
12-2) successively water stopping trough backfilled with M40 preshrunk acrylamide sand grout from bottom to top since aqueduct body bottom it is closely knit,
And it carries out mortar and vibrates and maintenance work；
Fog curing is first used 24 hours when 12-3) conserving, then wet curing, after mortar confining bed reaches intensity requirement,
Sealing slot is filled into Bituminous hemp fiber, finally the 5cm parting between slot body is embedded in ethylene closed cell cystosepiment and two-component
Polysulfide sealant；
Wherein in the 5th step, since distance is smaller between two post-cast strips, narrow space, both sides are 53cm, are
Guarantee post-cast strip concrete pouring quality, using Q235 steel form as steel form or panel；The template mounting structure packet
Include formwork structure and auxiliary stand；The formwork structure includes that bed die, internal model, outer side mold, panel and pull rod beam, assembled formation are
The analog-U shaped template of aqueduct body is matched, analog-U shaped template is made of the template top of U-shape and the template lower part of frame shape, described
Outer side mold and bed die are vertically connected with and are set as the both sides lateral surface of template, and internal model is set as the medial surface of template；Outer side mold with
Passing through panel splicing between internal model is stereochemical structure, reserves on panel and offers installation to the pulling eye of pull rod；
Wherein the outer side mold and bed die are each provided at two, are respectively symmetrically mounted on two side position of template；The pull rod
Beam rides upon on two outer side molds so that by two outer side mold tie-strut beams, the outer side mold includes first layer outer side mold, second
Layer outer side mold and third layer outer side mold, first and second layer of outer side mold is vertical plate structure, is successively vertically mounted on the outside of panel
Face, and first and second layer of outer side mold stacking assembling is fixed, third layer outer side mold is engaged at the top of first layer outer side mold and tilts court
On；The present embodiment illustrates to outer side mold size, and the first layer outer side mold is 1300 × 3400 steel forms, is set as two
Block, is symmetrically connected to panel two sides, and second layer outer side mold is 2 pieces of 1300 × 3070mm steel forms, is separately positioned on two the
The outside of one layer of outer side mold, third layer outer side mold are 2 pieces of 1300 × 400mm steel forms, are connected to two first layer outer side molds
Top, and tilt upward with first layer outer side mold angle of intersection in obtuse angle；The pull rod beam is pull rod crossbeam, and crossbearer is outside
Above side form；
The internal model includes inner mold sides, internal model bottom surface and internal model top surface, is installed on the inside of panel；The internal model of the internal model
Side includes internal model upper side and internal model downside, is separately positioned at the panel medial surface of template top, template lower part；Internal model
Bottom surface is arranged at the panel medial surface on template top, and splices with internal model upper side from lower end, and internal model top surface is arranged in template
At the panel medial surface of lower part, and splice with internal model downside from upper end, the internal model top surface of the internal model is wooden formwork structure, interior
Mould side and internal model top surface are steel template structure；
The bed die is the single or double layer steel template structure for being connected outer side mold bottom end, wherein the double-deck steel template structure setting
There are two blocks of stacked steel plates, it is corresponding with the thickness of first layer outer side mold, second layer outer side mold respectively, and single layer steel template structure and
One layer of outer side mold, the combination thickness of second layer outer side mold are corresponding；It is provided with cross rib and longitudinal rib on each steel form in the present embodiment, it is horizontal
Rib uses 8# channel steel, and longitudinal rib uses t=8mm × 80mm band steel, and panel is reserved with pulling eye D35mm/D40mm, and frame uses t=
12mm × 80mm band steel uses D25mm fining twisted steel to pull rod；The formwork structure further includes reinforcing fixed steel bars, together
When pass through bolt locking after internal model and outer side mold；
The auxiliary stand is mounted at outer side mold or the internal model on template top, including movable back frame, bracket, strut, right
The movable back frame of pull rod and jacking, the auxiliary stand is mounted on outer side mold, and bracket is mounted on template top, bracket both ends with
Strut connection, strut bottom end is mounted on the internal model bottom surface on template top by jacking supporting type, to pull rod be mounted on upright bar and
Between internal model upper side, movable back frame is shaped to stand type support, by horizontal support plate, oblique support plate and facade board group at neutral
Panel is vertically installed at outer side mold side, and horizontal support plate is provided with the parallel several plates of longitudinal gap, vertical from one side respectively
It is mounted on facade plate, another side is connected on outer side mold, and oblique support plate is connected between two adjacent horizontal support plates；Bracket peace
Medium position mounted in template top, both ends connect strut, connect at the top of strut with pull rod beam, and bottom passes through jacking and internal model bottom
Face connection, to pull rod include laterally to pull rod and oblique to pull rod, laterally to pull rod and it is oblique pull rod is overlapped on upright bar with
Between internal model upper side, and it is oblique lateral between pull rod two to pull rod setting, D25mm fining twisted steel can be used to pull rod
Preparation；
Flanged joint is used between each template in the present embodiment, part mould size can be listed below: internal model downside can
Using 4 pieces of 650 × 750mm steel forms, 4 pieces of 650 × 750 × 150mm steel forms are can be used in internal model upper side, and internal model top surface can adopt
With 5400 × 1100mm plank sheathing, panel t=4mm, t=6mm × 50mm band steel/angle L50 × 5mm is can be used in the frame at edge
The longitudinal rib of steel, steel form uses t=6mm × 50mm band steel, and panel reserves pulling eye D35mm；For internal model upper side, below
Position and internal model bottom surface junction are equipped with lower chamfering, and 2 pieces of 1300 × 1000mm steel forms can be used, for internal model downside with it is interior
Mould top surface, since template lower part is shaped to frame shape, template lower part offers square three-way groove, and the setting of internal model downside is logical
Slot lateral position, internal model top surface are arranged at through slot top surface.
The above is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention, current row
The technical staff of industry can make some deformations and modification, all technologies according to the present invention under the inspiration of the technical program
Essence still falls within the range of technical solution of the present invention to any modification, equivalent variations and modification made by above embodiment
It is interior.
Claims (8)
1. a kind of aqueduct body post-pouring zone construction process, including adjacent two across aqueduct body, the adjacent surface of two aqueduct bodies is
Interior wall, aqueduct body are exterior wall outwardly, and post-cast strip setting is two across being used as construction joint between aqueduct body, which is characterized in that institute
The construction technology stated it is main comprising steps of
Basal plane dabbing is carried out at the first step, the conjunction old and new concret basal plane at aqueduct body and is cleaned up；
Second step prepares reinforcing bar, waterstop, water sealing structure, applies when to be installed, while carrying out processing of rust removing to rebar surface；
Third step is extracted the ponding at post-cast strip out and is dried；
4th step, pre-buried installation fixing steel plate and bolt on combining basal plane, wherein fixing steel plate uses position line in positioning
Label；
5th step, installation alter-pouring strips mould plate and auxiliary stand；
6th step, processing concrete interface, a bed boundary agent or plain-water slurry are brushed before post-cast strip pours, for it is subsequent pour it is mixed
Solidifying soil is prepared；
7th step, inspection pour pre-treatment and work and modify to unqualified place；
8th step carries out concreting to post-cast strip；
9th step carries out concrete curing to post-cast strip；
Tenth step carries out polishing finishing processing to the steel plate basal plane for completing installation fixing steel plate；
11st step installs waterstop on the inside of aqueduct body；
12nd step installs water sealing structure on the outside of waterstop, is then closed at water stopping trough using acrylamide sand grout.
2. a kind of aqueduct body post-pouring zone construction process according to claim 1, which is characterized in that in the 4th step,
It further comprises the steps of:
4-1) before fixing steel plate installation, position line label is carried out on the combination basal plane completing dabbing and cleaning out；
4-2) pre-buried fixing steel plate is pre-positioned by two reinforcing bars, and the reinforcing bar phase of two 20 reinforcing bars and aqueduct body structure
Even, fixing steel plate is mounted on reinforcing bar so that fixing steel plate stationary positioned on combining basal plane；
Length of each bolt hole center away from post-cast strip that bolt hole 4-3) is opened up on fixing steel plate to install bolt, on fixing steel plate
Degree is 11.5cm, determines waterstop installation site by pre-embedded bolt；
Prepare to pour aqueduct body concrete after 4-4) bolt, sleeve and fixing steel plate and combination basal plane are fixed.
3. a kind of aqueduct body post-pouring zone construction process according to claim 1, which is characterized in that in the 5th step,
The alter-pouring strips mould plate includes formwork structure and auxiliary stand；The formwork structure includes bed die, internal model, outer side mold, panel
With pull rod beam, assembled formation is the analog-U shaped template for matching aqueduct body, template top and frame shape of the analog-U shaped template by U-shape
Template lower part composition, the outer side mold and bed die be vertically connected with and be set as the both sides lateral surface of template, and internal model is set as mould
The medial surface of plate；Passing through panel splicing between outer side mold and internal model is stereochemical structure；Wherein the outer side mold is respectively arranged with bed die
Have at two, is respectively symmetrically mounted on two side position of template；The pull rod beam rides upon on two outer side molds through two outer side molds
Tie-strut beam；The internal model includes inner mold sides, internal model bottom surface and internal model top surface, is installed on the inside of panel；The auxiliary branch
Frame is mounted at outer side mold or the internal model on template top, including movable back frame, bracket, strut, to pull rod and jacking.
4. a kind of aqueduct body post-pouring zone construction process according to claim 3, which is characterized in that in the 5th step,
Alter-pouring strips mould plate construction further comprises the steps of:
Post-cast strip bed die 5-1) is fixedly mounted, then passes through first layer outer side mold, second layer outer side mold, the assembling of third layer outer side mold
The outer side mold for forming post-cast strip, is attached reinforcing by truss；
When outer side mold 5-2) is installed, so that outer side mold is slid or is lifted in place first, be aligned with the relative position of bed die, use compression bar
Adjust the verticality of outer side mold；
After 5-3) outer side mold is installed, it is subject to fixation with bindiny mechanism, and install to pull rod；
5-4) internal model carries out mobile segmented assembly by auxiliary stand, when internal model section assembling, pastes double-sided adhesive tape in seam；
Vertical installation panel 5-5) is propped up, erection sequence is first to install from bed die, then install from side form；
Concreting is carried out after alter-pouring strips mould plate overall structure 5-6) is installed, and is once poured according to aqueduct body cross-sectional configuration
Completion is built, alter-pouring strips mould plate presets water stopping trough.
5. a kind of aqueduct body post-pouring zone construction process according to claim 1, which is characterized in that in the 8th step,
Post-cast strip concrete pouring construction process further comprises the steps of:
Concrete 8-1) poured as post-cast strip using C50W8F150 slightly expanded concrete, concrete preparation incorporation cement and
UEA swelling agent, wherein the content of UEA swelling agent is the 10-15% of cement consumption, and error is being equal to or less than in 0.5% range；
8-2) when the concreting of post-cast strip, placing temperature≤26 DEG C, and >=5 DEG C；
Concrete is stirred evenly by forced mixer after 8-3) mixing UEA swelling agent.
6. a kind of aqueduct body post-pouring zone construction process according to claim 1, which is characterized in that in the tenth step,
It further comprises the steps of:
10-1) before water sealing structure installation, by steel plate basal plane grinding process, pass through high pressure after concrete combination basal plane dabbing
Hydraulic giant is rinsed well, uniformly one bed boundary agent of coating after drying；
10-2) check whether water stopping trough range inner concrete pours closely knit, when concrete density deficiency, cuts in time loose
Concrete and be perfused steel bonding glue filling it is closely knit.
7. a kind of aqueduct body post-pouring zone construction process according to claim 1, which is characterized in that the 11st step
In, it further comprises the steps of:
11-1) after completing post-cast strip concreting, concrete curing, after concrete reaches 6.5-8.5 days intensity, rubber is carried out
The installation of glue waterstop；
11-2) waterstop is rubber fastening band, by the third paulownia or alcohol washes water stopping trough basal plane before installation, to rubber fastening band with
The adhesive surface progress grinding process of fixing steel plate adhesion is simultaneously clean with the third paulownia or alcohol washes；
The bolt hole position on rubber water-proof band then 11-3) is determined according to pre-embedded bolt hole location, is drilled on rubber water-proof band
When control hole away between bolt on steel plate basal plane pitch-row it is identical；
Steel type structure glue 11-4) is uniformly coated on the adhesive surface of rubber fastening band, is successively pacified from aqueduct body bottom to two sides
Rubber fastening band is filled, clears up spilling colloid again after colloid sufficiently solidifies；
After 11-5) pasting rubber fastening band, STAINLESS STEEL NUTS is installed in place on steel plate basal plane, after bolt is installed in place, is used
Pouring type steel bonding glue is closely knit by bolt and the perfusion of fixing steel plate seam crossing；
Sealing pressing plate 11-6) is installed in rubber water-proof belt surface, while Upper gasket and nut being installed, after adjusting position accurate positioning
Pressing is tightened, until there are colloid spilling in two sides, nut, which is subject to, to be tightened, after the solidification of sealing pressing plate colloid, in water stopping trough into
Row local repair and cleaning.
8. a kind of aqueduct body post-pouring zone construction process according to claim 1, which is characterized in that the 12nd step
In, it further comprises the steps of:
12-1) water sealing structure is zinc-plated copper seal, and the water sealing structure of post-cast strip is mounted under the bottom plate of aqueduct body at 32cm,
The connection surface of water sealing structure be it is smooth, without hole, free from flaw surface；
12-2) successively water stopping trough backfilled with M40 preshrunk acrylamide sand grout from bottom to top since aqueduct body bottom closely knit, gone forward side by side
Row mortar vibrates and maintenance work；
Fog curing is first used 24 hours when 12-3) conserving, then wet curing, it, will only after mortar confining bed reaches intensity requirement
Sink hole fills Bituminous hemp fiber, and finally the parting between slot body is embedded in ethylene closed cell cystosepiment and the sealing of two-component polysulfide
Glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856405.8A CN110468790B (en) | 2019-09-11 | 2019-09-11 | Construction process of post-pouring belt of aqueduct body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856405.8A CN110468790B (en) | 2019-09-11 | 2019-09-11 | Construction process of post-pouring belt of aqueduct body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110468790A true CN110468790A (en) | 2019-11-19 |
| CN110468790B CN110468790B (en) | 2024-02-13 |
Family
ID=68515476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910856405.8A Active CN110468790B (en) | 2019-09-11 | 2019-09-11 | Construction process of post-pouring belt of aqueduct body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110468790B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516135A (en) * | 2020-04-01 | 2020-08-11 | 中铁十七局集团第三工程有限公司 | Water stop embedded part positioning die and method |
| CN112593529A (en) * | 2020-12-08 | 2021-04-02 | 河北省水利工程局 | Construction method of thin-wall prestressed concrete aqueduct |
| CN112709259A (en) * | 2020-12-24 | 2021-04-27 | 中交第四航务工程局有限公司 | Post-cast strip full-section construction and maintenance method |
| CN115478514A (en) * | 2022-09-27 | 2022-12-16 | 青海省水利水电勘测规划设计研究院有限公司 | Aqueduct expansion joint water stop structure and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185277A1 (en) * | 2012-06-11 | 2013-12-19 | 浙江省建工集团有限责任公司 | Constructing method for concrete cylinder of construction steel bar of high-rise steel structure |
| CN103821364A (en) * | 2014-02-24 | 2014-05-28 | 中国化学工程第十四建设有限公司 | Method for constructing reinforced concrete pond |
| CN105821804A (en) * | 2016-03-23 | 2016-08-03 | 河南省水利勘测设计研究有限公司 | Method for preventing waterproof groove sealing material of prefabricated aqueduct from falling |
| CN107044171A (en) * | 2017-06-02 | 2017-08-15 | 中联世纪建设集团有限公司 | Butyl putty steel plate water-stopping rear pouring tape construction method |
| CN108086363A (en) * | 2017-12-12 | 2018-05-29 | 浙江视野环境艺术装饰工程有限公司 | Underground waterproof shear wall post-pouring zone construction process |
| CN210712751U (en) * | 2019-09-11 | 2020-06-09 | 广东省水利水电第三工程局有限公司 | Aqueduct trough body post-cast strip concrete formwork mounting structure |
-
2019
- 2019-09-11 CN CN201910856405.8A patent/CN110468790B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185277A1 (en) * | 2012-06-11 | 2013-12-19 | 浙江省建工集团有限责任公司 | Constructing method for concrete cylinder of construction steel bar of high-rise steel structure |
| CN103821364A (en) * | 2014-02-24 | 2014-05-28 | 中国化学工程第十四建设有限公司 | Method for constructing reinforced concrete pond |
| CN105821804A (en) * | 2016-03-23 | 2016-08-03 | 河南省水利勘测设计研究有限公司 | Method for preventing waterproof groove sealing material of prefabricated aqueduct from falling |
| CN107044171A (en) * | 2017-06-02 | 2017-08-15 | 中联世纪建设集团有限公司 | Butyl putty steel plate water-stopping rear pouring tape construction method |
| CN108086363A (en) * | 2017-12-12 | 2018-05-29 | 浙江视野环境艺术装饰工程有限公司 | Underground waterproof shear wall post-pouring zone construction process |
| CN210712751U (en) * | 2019-09-11 | 2020-06-09 | 广东省水利水电第三工程局有限公司 | Aqueduct trough body post-cast strip concrete formwork mounting structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516135A (en) * | 2020-04-01 | 2020-08-11 | 中铁十七局集团第三工程有限公司 | Water stop embedded part positioning die and method |
| CN111516135B (en) * | 2020-04-01 | 2021-11-02 | 中铁十七局集团第三工程有限公司 | Water stop embedded part positioning die and method |
| CN112593529A (en) * | 2020-12-08 | 2021-04-02 | 河北省水利工程局 | Construction method of thin-wall prestressed concrete aqueduct |
| CN112709259A (en) * | 2020-12-24 | 2021-04-27 | 中交第四航务工程局有限公司 | Post-cast strip full-section construction and maintenance method |
| CN112709259B (en) * | 2020-12-24 | 2022-04-01 | 中交第四航务工程局有限公司 | Post-cast strip full-section construction and maintenance method |
| CN115478514A (en) * | 2022-09-27 | 2022-12-16 | 青海省水利水电勘测规划设计研究院有限公司 | Aqueduct expansion joint water stop structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110468790B (en) | 2024-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110468790A (en) | A kind of aqueduct body post-pouring zone construction process | |
| CN108951425A (en) | Cast-in-situ prestressed concrete continuous box girder primary concreting molding construction method | |
| CN106592426B (en) | The construction method of transverse prestress overall with reinforced concrete bridge deck plate prefab-form system | |
| CN108677743A (en) | A kind of concrete cast-in-situ box girder construction method of viaduct | |
| CN108638324A (en) | A kind of construction method of prefabricated case beam | |
| CN106284080A (en) | Continuous rigid frame aqueduct closure segment construction method | |
| CN104372890A (en) | Construction method of bare concrete prefabricated box beam with complicated structure | |
| CN111827129A (en) | Construction system and construction method for cast-in-place box girder at excavation section of existing line bridge-changing excavation section in active service | |
| CN106193588A (en) | A kind of method pouring building post-cast strip and pour mould | |
| CN114770706B (en) | Light T-beam prefabrication equipment and prefabrication installation construction method | |
| CN113089491A (en) | Construction method of large cantilever prestressed concrete bent cap | |
| CN101906757A (en) | Assembly method for replacing plate type rubber support on abutment of highway bridge | |
| CN110344844A (en) | A kind of track engineering section of track well construction method | |
| CN113494055A (en) | Double-locking structure for closure section of long-span bridge and construction method | |
| CN108867392A (en) | Precast beam adjustable type tire construction method | |
| CN110468729B (en) | Construction method of frame bridge | |
| CN210263131U (en) | Assembled is from stagnant water underground pipe gallery structure | |
| CN111549826A (en) | Interception construction method for post-cast strip prefabricated formwork in raft of main building | |
| CN208763817U (en) | A kind of assembly concrete tower piece structure and template | |
| CN209114299U (en) | A kind of Single-box multi-chamber box beam bridge | |
| CN115890877A (en) | Adjustable diaphragm plate template and construction method thereof | |
| CN207109593U (en) | A kind of T-shaped high pier Cast-in-place Bent Cap formwork erecting structure | |
| CN215629484U (en) | Transverse reinforcing device for T-shaped beam bridge | |
| CN212247899U (en) | Construction system for cast-in-place box girder at excavation section of existing line bridge-changing section in active service | |
| CN214925420U (en) | Concrete bridge deck slab prefabricated steel formwork side form structure and side form comprising same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |