CN110528501A - A kind of high rich water borders on the sea regional ground continuous wall connector antipriming - Google Patents
A kind of high rich water borders on the sea regional ground continuous wall connector antipriming Download PDFInfo
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- CN110528501A CN110528501A CN201910669495.XA CN201910669495A CN110528501A CN 110528501 A CN110528501 A CN 110528501A CN 201910669495 A CN201910669495 A CN 201910669495A CN 110528501 A CN110528501 A CN 110528501A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 127
- 239000010959 steel Substances 0.000 claims abstract description 127
- 230000002787 reinforcement Effects 0.000 claims abstract description 50
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 29
- 229910052742 iron Inorganic materials 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 210000002421 cell wall Anatomy 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 239000003518 caustics Substances 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 241000231739 Rutilus rutilus Species 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000007569 slipcasting Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
- E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Abstract
The invention belongs to Base hole supporting technology field, it is related to a kind of high rich water and borders on the sea regional ground continuous wall connector antipriming, diaphragm wall horizontal bar and the vertical main reinforcement mechanical connection of diaphragm wall, steel floral tube binding are overlapped on the first wall width steel reinforcement cage；Galvanized iron sheet is mounted on the outside of I-shaped steel plate, galvanized iron sheet and press strip reinforcing bar spot-welded, I-steel and the first wall width steel reinforcement cage are welded to connect, u u stirrup is connected with diaphragm wall horizontal bar single-sided welding, Grouting Pipe and the second wall width steel reinforcement cage binding overlap joint, the second wall width steel reinforcement cage is in lifting build-in in I-shaped steel plate wing plate；Sandbag piles up I-shaped plate joint web outside, and lower raising degree is diaphram wall height；Its waterproof effect is ideal, concrete can be effectively prevent to stream, the setting of steel floral tube ensures seam crossing water-stagnating effect.
Description
Technical field:
The invention belongs to Base hole supporting technology field, it is related to a kind of high rich water and borders on the sea regional ground continuous wall connector sealing dress
It sets, it is especially a kind of using I-steel as the antipriming of connector.
Background technique:
Diaphram wall is a kind of important deep foundation pit supporting structure form, and basic process flow includes: to lead wall to apply
Work, slurrying, trenching construction, fabrication of reinforcing cage, reinforcing bar cage hoisting, connector processing, underwater gliders etc., wherein underground
The construction of (especially a kind of high rich water border on the sea area) at continuous wall connector) it is the technology for influencing diaphram wall water seepage prevention
Problem.
Currently, construction method includes following several at common underground continuous wall connector: first is that circular joint Manifold technology: being
The one or both ends of slurry postposition groove inlet section are changed at clear bottom, after concrete initial set, are pulled up with pipe extractor, its main feature is that cheap, side
Method is mature, widely applicable, but extubation time difficulty is grasped, and waterproof effect is undesirable；Second is that " one " or " ten " shape steel plate connector: grooving
Afterwards, groove inlet section is set with steel reinforcement cage, as disposable waterproof device, steel plate two sides insertion front and back is constructed in two width diaphragm walls, special
Point uses extensively, low cost, but seam crossing concrete poor contact, easy burning into sand；Third is that " work " or " king " shaped-steel joint: grooving
Afterwards, corresponding slot section is placed in as disposable waterproof device, and steel reinforcement cage is embedded in shape steel plate wing plate, its main feature is that with being adapted to rich water
Layer, good integrity, waterproof effect is prominent, and deficiency is to involve great expense；Fourth is that rotary churning pile waterproof connector: after the completion of diaphragm wall pours,
On the outside of seam crossing, rotary churning pile waterproof is squeezed into, feature is to be suitable for weak bottom, and waterproof effect is general, the disadvantage is that construction period
It is long, it involves great expense；Fifth is that rubber water-proof belt lacing: bringing commitment positions by the junction block of speciality, extracted after next slot section fluting
Junction block, it is suitable for shallower diaphragm walls, anti-to stream, but its construction is complicated, and overall stiffness is poor, such as CN200910193231.8 public affairs
A kind of diaphragm wall joint flexible water stop installing and method are opened, the mounting device is by steel plate or section steel manufacture
At the ratio between width and thickness close to 1 junction block structure, it is mountable that the side being in contact with concrete is equipped at least one
The mounting groove of rubber fastening band, and the width of the opening of the mounting groove is more smaller than the width of vallecular cavity.Due to the width of junction block
Thickness rate is close to 1.Occur slip casting type connector in recent years, such as 201810132066.4 discloses a kind of groutable diaphram wall
Connector and its construction method, its main feature is that ground wall joint meet native face side equipped with two Grouting Pipes composition can slip casting underground it is continuous
Wall joint, when described ground wall joint is connected using rigid joint, two Grouting Pipes are fixed in rigid joint by annulus and meet native face
Side, when being connected using flexible joint, two Grouting Pipes are separately fixed at the both ends that steel reinforcement cage meets native face, and Specific construction includes:
Lead the construction of wall, unit groove section and diaphram wall；But since engineering geological condition is poor, continuous wall trench underground quality is weight
Difficult point, and the water-stopping method construction cost is high.
Therefore, it based on the difference of construction method and engineering geological condition at various underground continuous wall connectors, reasonably selects
Structure type at underground continuous wall connector becomes particularly important.
Summary of the invention:
It is an object of the invention to overcome disadvantage of the existing technology, design provides one kind and borders on the sea regionally in high rich water
Continuous wall connector antipriming realizes at underground continuous wall connector water seepage prevention when in construction and Bracing Process.
To achieve the goals above, high rich water of the present invention borders on the sea the main body of regional underground continuous wall connector antipriming
Structure includes I-shaped steel plate, diaphragm wall horizontal bar, the vertical main reinforcement of diaphragm wall, u u stirrup, galvanized iron sheet, press strip reinforcing bar, the spray of molten steel
Pipe, Grouting Pipe, the first wall width steel reinforcement cage, the second wall width steel reinforcement cage and sandbag；Diaphragm wall horizontal bar and the vertical main reinforcement machine of diaphragm wall
Tool connection, steel floral tube binding are overlapped on the first wall width steel reinforcement cage；Galvanized iron sheet is mounted on the outside of I-shaped steel plate, galvanized iron
Skin and press strip reinforcing bar spot-welded, I-steel and the first wall width steel reinforcement cage are welded to connect, fusion length 100mm；U u stirrup and
The connection of diaphragm wall horizontal bar single-sided welding, Grouting Pipe and the second wall width steel reinforcement cage binding overlap joint, the second wall width steel reinforcement cage are lifting
Build-in is in I-shaped steel plate wing plate；Sandbag piles up I-shaped plate joint web outside, and lower raising degree is that diaphram wall is high
Degree.
I-shaped steel plate of the present invention is welded by H profile steel plate, and the width on the edge of a wing is 400mm, the thickness on the edge of a wing
For 10mm, the height of web is 160mm, web with a thickness of 10mm.
The vertical main reinforcement of diaphragm wall horizontal bar and diaphragm wall of the present invention selects model and size according to requirement of engineering.
The model and spacing of u u stirrup of the present invention are identical as diaphragm wall horizontal bar, and the transfer angle of u u stirrup is
45 °, the second wall width steel reinforcement cage better build-in in lifting is made to be convenient for construction in I-steel wing plate.
The thickness of galvanized iron sheet of the present invention is 0.3mm, width 500mm, when being strutted outward when slot section concrete pours,
Galvanized iron sheet prevents concrete from flowing into the slot section of adjacent non-grooving.
The model and size of press strip reinforcing bar of the present invention use C20, apart from i shaped steel edges of boards edge 100mm at plate
Zinc-iron skin spot-welded.
The diameter of steel floral tube of the present invention be A50, wall thickness 3mm, it is highly suitable with the height of diaphram wall, two
Root steel floral tube at the horizontal 100mm of I-shaped steel plate 1 with the first wall width steel reinforcement cage binding connect, the effect of steel floral tube be
Grouting reinforcing is carried out before excavation of foundation pit after water sealing structure forming, it is ensured that seam crossing water-stagnating effect, the size and steel floral tube of Grouting Pipe
It is identical.
The present invention realizes that high rich water borders on the sea the detailed process of regional underground continuous wall connector sealing are as follows:
(1) pour and lead wall: using existing construction technology successively carry out levelling of the land → surveying and locating → excavation lead wall ditch and
Processing roach → binding lead wall reinforcing bar, installation wall outboard template → pour walls concrete → form removal add cross-brace →
The back-filling in layers earthwork in slot；
(2) slurrying: during grooving, mud plays the role of retaining wall, takes slag, cooling equipment, cuts soil lubrication, property
The stabilization of cell wall when the good mud of energy can ensure that grooving, prevents the slot that collapses, while when concrete is poured to the pouring quality for guaranteeing concrete
It plays an important role；Mud mix-design is carried out according to place geology, Groundwater Property and construction experience, makes to configure
Mud index meet construction requirement, the process of mud configuration are as follows: after water is first added to mixing drum 1/3, start pulper, then
While quantitative water tank constantly adds water, bentonite in powder is added, after stirring 10min, the additives such as CMC liquid and ground caustic is added and continue to stir
Mix 10min can stop stirring being put into new stock tank, wait stand extruding for 24 hours afterwards use；
(3) I phase slot sections are excavated: will be first opened slot as test flume section, are collected all kinds of parameters and data of trenching construction etc., try
Ground-connecting-wall routine grooving after grooving according to design drawing and leads wall and determines that I phase slot section excavates position, and chute forming machine carries out excavation work
Industry；Mud off is used when grooving, is carried out an acceptance inspection according to related specifications to slot after grooving, is tiltedly shoveled after the completion of slot section with brush wall device
The hard object not fallen off is rooted out, cell wall cleaning is carried out；The process is to control verticality, the mud parameter of formal trenching construction process,
The continuity for guaranteeing engineering construction, achievees the purpose that guiding construction；
(4) fabrication of reinforcing cage: by the first wall width steel reinforcement cage using the prior art by construction requirement make after with it is I-shaped
Steel plate welding, while installing galvanized iron sheet and press strip reinforcing bar；
(5) grooving quality and mud index are examined after the clear trough end of step (3), connector case is hung after qualified, by first
Width steel reinforcement cage transfers to commitment positions, fills sandbag on the outside of I-shaped plate joint, prevents concrete from outflowing；To reduce underground
Continuous wall Vertical Settlement and corresponding ground settlement carry out slip casting with preset steel floral tube in i shaped steel plate connector and add
Gu being risen after the completion of pouring then by the pre-buried first width diaphram wall of Grouting Pipe underwater casting and pulling out connector case；
(6) after the completion of II phase of adjacent slot section, the hard object not fallen off first tiltedly is rooted out with brush wall device, then with brush wall device wire brush
I phase groove end I-shaped steel plate of segmentation scrub from top to bottom, is brushed several times up and down, until without spare on brush, bottom hole is deposited no longer
Increase, keeps New-old concrete joint completely closely knit after brush wall；
(7) connector case is hung, by the second wall width reinforcing bar cage hoisting build-in in I-shaped steel plate wing plate, passes through Grouting Pipe water
Lower casting concrete rises after the completion of pouring and pulls out connector case；
(8) remaining wall width is successively poured according to above-mentioned steps, until last width diaphragm wall pours completion.
Compared with prior art, the present invention bordering on the sea area in high rich water, using I-steel as the construction of underground continuous wall connector
Method is relatively applicable in, and waterproof effect is more satisfactory；Concrete can be effectively prevent with sandbag is filled on the outside of galvanized iron sheet and I-steel
It streams；And the special wire brush brush wall of market sale is used, there is good brush wall effect, is conducive to reinforce the whole of concrete
Body enhances waterproof effect；The setting of steel floral tube further ensures seam crossing water-stagnating effect.
Detailed description of the invention:
Fig. 1 be high rich water of the present invention border on the sea regional underground continuous wall connector antipriming main structure principle signal
Figure.
Fig. 2 be high rich water of the present invention border on the sea regional underground continuous wall connector antipriming main structure three-dimensional it is vertical
Body figure
Fig. 3 is I-shaped steel plate structure schematic diagram of the present invention.
Fig. 4 is steel floral tube structural schematic diagram of the present invention.
Specific embodiment:
The invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment 1:
The border on the sea main structure of regional underground continuous wall connector antipriming of high rich water described in the present embodiment includes I-shaped
The vertical main reinforcement 3 of steel plate 1, diaphragm wall horizontal bar 2, diaphragm wall, u u stirrup 4, galvanized iron sheet 5, press strip reinforcing bar 6, steel floral tube 7, slip casting
Pipe 8, the first wall width steel reinforcement cage 9, the second wall width steel reinforcement cage 10 and sandbag 11；Diaphragm wall horizontal bar 2 and vertical 3 machine of main reinforcement of diaphragm wall
Tool connection, the binding of steel floral tube 7 are overlapped on the first wall width steel reinforcement cage 9；Galvanized iron sheet 5 is mounted on the outside of I-shaped steel plate 1, plating
6 spot-welded of zinc-iron skin 5 and press strip reinforcing bar, I-steel 1 and the first wall width steel reinforcement cage 9 are welded to connect, fusion length 100mm；u
U stirrup 4 is connected with 2 single-sided welding of diaphragm wall horizontal bar, Grouting Pipe 8 and the second wall width steel reinforcement cage 10 binding overlap joint, the second wall width
Steel reinforcement cage 10 is in lifting build-in in I-shaped 1 wing plate of steel plate；Sandbag 11 piles up I-shaped 1 connector web outside of steel plate, under fill out
Height is diaphram wall height.
I-shaped steel plate 1 described in the present embodiment is welded by H profile steel plate, and the width on the edge of a wing is 400mm, the thickness on the edge of a wing
Degree is 10mm, and the height of web is 160mm, web with a thickness of 10mm.
The vertical main reinforcement 3 of diaphragm wall horizontal bar 2 and diaphragm wall described in the present embodiment selects model and size according to requirement of engineering.
The model and spacing of u u stirrup 4 described in the present embodiment are identical as diaphragm wall horizontal bar 2, and u tie muscle 4 bends up angle
Degree is 45 °, and the second wall width steel reinforcement cage 10 better build-in in lifting is made to be convenient for construction in 1 wing plate of I-steel.
The thickness of galvanized iron sheet 5 described in the present embodiment is 0.3mm, width 500mm, when supportting outward when slot section concrete pours
It opens, galvanized iron sheet 5 prevents concrete from flowing into the slot section of adjacent non-grooving.
The model and size of press strip reinforcing bar 6 described in the present embodiment use C20, at I-shaped 1 edge 100mm of steel plate
With 5 spot-welded of galvanized iron sheet.
The diameter of steel floral tube 7 described in the present embodiment be A50, wall thickness 3mm, highly with the height phase of diaphram wall
When two steel floral tubes 7 are connecting at the horizontal 100mm of I-shaped steel plate 1 with the binding of the first wall width steel reinforcement cage 9, steel floral tube 7
Effect is to carry out grouting reinforcing before excavation of foundation pit after water sealing structure forming, it is ensured that seam crossing water-stagnating effect, the size of Grouting Pipe 8
It is identical as steel floral tube 7.
Embodiment 2:
Connector antipriming described in embodiment 1 is applied to the construction of certain subway station diaphram wall by the present embodiment, specifically
Work progress are as follows:
(1) it pours and leads wall: after the completion of surveying setting-out, starting construction and lead wall, the construction quality for leading wall is directly related to underground
The construction quality of diaphragm wall, construction of guide wall must require to carry out in strict accordance with codes and standards, it is necessary to which strict control construction quality is led
Wall section uses inverted "L" shape cast-in-situ steel reinforced concrete, and uniformly distributed 200 framework of steel reinforcement of HRB400C12@leads wall and uses C30 concrete,
Lead before wall excavates must first hand excavation's exploratory trench, when excavator operation must have the construction of special messenger's stand-by supervision, and then wall is led in binding
Reinforcing bar and shuttering pour C30 concrete, and form removal adds cross-brace, the back-filling in layers earthwork in most pit；
(2) slurrying: during grooving, mud plays the role of retaining wall, takes slag, cooling equipment, cuts soil lubrication, property
The stabilization of cell wall when the good mud of energy can ensure that grooving, prevents the slot that collapses, while when concrete is poured to the pouring quality for guaranteeing concrete
It plays an important role；Mud match ratio is carried out according to place geology, Groundwater Property and Qingdao City area construction experience
Design, so that the mud index of configuration is met construction requirement, (mud balance is controlled in 1.1g/cm3~1.25g/cm3Left and right, viscosity 25
Between~30s), mud configuration method are as follows: after water is first added to mixing drum 1/3, start pulper, then constantly add in quantitative water tank
While water, bentonite in powder is added, after stirring 10min, the addition additives such as CMC liquid and ground caustic, which continue stirring 10min, to stop
Only stirring be put into new stock tank, wait stand extruding for 24 hours afterwards use；
(3) I phase slot sections are excavated: for verticality, the mud parameter for controlling formal trenching construction process, guaranteeing engineering construction
Continuity achievees the purpose that guiding construction, will first open slot as test flume section, collects all kinds of parameters and data of trenching construction
Deng trying ground-connecting-wall routine grooving after grooving, according to design drawing and lead wall and determine that I phase slot section excavates position, use in the present embodiment
The 480 type hydraulic grab bucket grooving machine grooving of Xu work uses mud off when grooving, is tested according to related specifications slot after grooving
It receives, tiltedly roots out the hard object not fallen off with brush wall device after the completion of slot section, brush wall device uses special brush wall device, and brush wall device is 3 meters high, weight
4 tons, side is oblique steel shovel, and the objects such as stronger abrasive band, concrete are adhered on steel plate for rooting out；The other side is wire brush, is used
To brush the soil adhered on steel plate, the last groover progress clear bottom of cell wall；
(4) fabrication of reinforcing cage: first reinforcing bar derusting before production makes steel reinforcement cage using mould method moulding process, and when welding is tight
Lattice control welding quality, weld after the first wall width steel reinforcement cage 9 is made using the prior art by construction requirement with I-shaped steel plate 1
Connect, while installing in I-shaped steel joint that 0.3mm is thick, lap guard galvanized iron sheet 5 of 500mm wide on the outside of I-steel, galvanized iron sheet 5 with
1 lap width of I-steel is not less than 100mm, is fixedly welded using a press strip reinforcing bar 6；
(5) grooving quality and mud index are examined after the clear trough end of step (3), connector case is hung after qualified, by first
Width steel reinforcement cage 9 carries out integral hoisting using double-machine lifting crane, is decided and is hung using a 130t crawler crane, and a 55t crawler crane is made secondary
Hang, steel reinforcement cage suspension centre setting based on hang 4 points, pair hang at 6 points and transfer to commitment positions, fill sand on the outside of I-shaped 1 connector of steel plate
Bag 11, prevents concrete from outflowing；To reduce underground continuous wall Vertical Settlement and corresponding ground settlement, in I-shaped steel plate 1
Joint carries out grouting and reinforcing with preset steel floral tube 7, then continuous by the pre-buried first width underground of 8 underwater casting of Grouting Pipe
Wall rises after the completion of pouring and pulls out connector case；
(6) after the completion of II phase of adjacent slot section, the hard object such as abrasive band not fallen off tiltedly first is rooted out with brush wall device, then with brush wall device
Wire brush is segmented I phase groove end I-shaped steel plate of scrub from top to bottom, brushes up and down several times, until without spare on brush, bottom hole is become silted up
Product is not further added by, and makes New-old concrete joint completely closely knit after brush wall；
(7) connector case is hung, by the second wall width steel reinforcement cage 10 lifting build-in in I-shaped 1 wing plate of steel plate, passes through slip casting
8 concrete placed under water of pipe rises after the completion of pouring and pulls out connector case；
(8) remaining wall width is successively poured according to above-mentioned steps, until last width diaphragm wall pours completion.
Claims (8)
- The regional ground continuous wall connector antipriming 1. a kind of high rich water borders on the sea, it is characterised in that main structure includes i shaped steel Plate, diaphragm wall horizontal bar, the vertical main reinforcement of diaphragm wall, u u stirrup, galvanized iron sheet, press strip reinforcing bar, steel floral tube, Grouting Pipe, the first wall Width steel reinforcement cage, the second wall width steel reinforcement cage and sandbag；Diaphragm wall horizontal bar and the vertical main reinforcement mechanical connection of diaphragm wall, steel floral tube binding It is overlapped on the first wall width steel reinforcement cage；Galvanized iron sheet is mounted on the outside of I-shaped steel plate, galvanized iron sheet and press strip reinforcing bar spot welding Welding, I-steel and the first wall width steel reinforcement cage are welded to connect, fusion length 100mm；U u stirrup and diaphragm wall horizontal bar single side It is welded to connect, Grouting Pipe and the second wall width steel reinforcement cage binding overlap joint, the second wall width steel reinforcement cage is in lifting build-in in I-shaped steel plate In wing plate；Sandbag piles up I-shaped plate joint web outside, and lower raising degree is diaphram wall height.
- 2. high rich water borders on the sea regional ground continuous wall connector antipriming according to claim 1, it is characterised in that the I-shaped Shape steel plate is welded by H profile steel plate, and the width on the edge of a wing is 400mm, the edge of a wing with a thickness of 10mm, the height of web is 160mm, web with a thickness of 10mm.
- 3. high rich water borders on the sea regional ground continuous wall connector antipriming according to claim 1, it is characterised in that described continuous Wall horizontal bar and the vertical main reinforcement of diaphragm wall are according to requirement of engineering selection model and size.
- 4. high rich water borders on the sea regional ground continuous wall connector antipriming according to claim 1, it is characterised in that the u shape hoop The model and spacing of muscle are identical as diaphragm wall horizontal bar, and the transfer angle of u u stirrup is 45 °, are hanging the second wall width steel reinforcement cage Better build-in is convenient for construction in I-steel wing plate when dress.
- 5. high rich water borders on the sea regional ground continuous wall connector antipriming according to claim 1, it is characterised in that described zinc-plated The thickness of iron sheet is 0.3mm, width 500mm, and when strutting outward when slot section concrete pours, galvanized iron sheet prevents concrete from flowing into The slot section of adjacent non-grooving.
- 6. high rich water borders on the sea regional ground continuous wall connector antipriming according to claim 1, it is characterised in that the press strip The model and size of reinforcing bar use C20, apart from i shaped steel edges of boards edge 100mm at and galvanized iron sheet spot-welded.
- 7. high rich water borders on the sea regional ground continuous wall connector antipriming according to claim 1, it is characterised in that the spray of molten steel The diameter of pipe is A50, wall thickness 3mm, and highly suitable with the height of diaphram wall, two steel floral tubes are apart from i shaped steel It is connected at the horizontal 100mm of plate 1 with the binding of the first wall width steel reinforcement cage, the effect of steel floral tube is the excavation of foundation pit after water sealing structure forming Preceding carry out grouting reinforcing, it is ensured that the size of seam crossing water-stagnating effect, Grouting Pipe is identical as steel floral tube.
- 8. high rich water borders on the sea regional ground continuous wall connector antipriming according to claim 1, it is characterised in that use the dress It sets and realizes that high rich water borders on the sea the detailed process of regional ground continuous wall connector sealing are as follows:(1) it pours and leads wall: levelling of the land → surveying and locating → excavation successively being carried out using existing construction technology and leads wall ditch and processing Roach → wall reinforcing bar, installation wall outboard template are led in binding → pours walls concrete → form removal and adds in cross-brace → slot The back-filling in layers earthwork；(2) slurrying: mud mix-design is carried out according to place geology, Groundwater Property and construction experience, makes configuration Mud index meets construction requirement, the process of mud configuration are as follows: after water is first added to mixing drum 1/3, starts pulper, then fixed While water-masuring box constantly adds water, bentonite in powder is added, after stirring 10min, CMC liquid is added and ground caustic continues to stir 10min i.e. Can stop stirring being put into new stock tank, wait stand extruding for 24 hours afterwards use；(3) I phase slot sections are excavated: will be first opened slot as test flume section, collected all kinds of parameters and data of trenching construction etc., try grooving Ground-connecting-wall routine grooving afterwards according to design drawing and leads wall and determines that I phase slot section excavates position, and chute forming machine carries out excavation operation；At Mud off is used when slot, is carried out an acceptance inspection according to related specifications to slot after grooving, is tiltedly rooted out after the completion of slot section with brush wall device The hard object not fallen off carries out cell wall cleaning；(4) the first wall width steel reinforcement cage fabrication of reinforcing cage: is made into rear and I-shaped steel plate by construction requirement using the prior art Welding, while installing galvanized iron sheet and press strip reinforcing bar；(5) grooving quality and mud index are examined after the clear trough end of step (3), connector case is hung after qualified, by the first width steel Muscle cage transfers to commitment positions, fills sandbag on the outside of I-shaped plate joint, prevents concrete from outflowing；It is continuous to reduce underground Wall wall Vertical Settlement and corresponding ground settlement carry out grouting and reinforcing with preset steel floral tube in i shaped steel plate connector, so Afterwards by the pre-buried first width diaphram wall of Grouting Pipe underwater casting, is risen after the completion of pouring and pull out connector case；(6) after the completion of II phase of adjacent slot section, the hard object not fallen off first tiltedly is rooted out with brush wall device, then with brush wall device wire brush from upper And I phase groove end I-shaped steel plate is scrubbed in lower segmentation, brush several times, is not further added by up to, without spare, bottom hole is deposited on brush up and down, Make New-old concrete joint completely closely knit after brush wall；(7) connector case is hung, by the second wall width reinforcing bar cage hoisting build-in in I-shaped steel plate wing plate, is poured under water by Grouting Pipe Concrete is built, is risen after the completion of pouring and pulls out connector case；(8) remaining wall width is successively poured according to above-mentioned steps, until last width diaphragm wall pours completion.
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| CN201910669495.XA CN110528501A (en) | 2019-07-24 | 2019-07-24 | A kind of high rich water borders on the sea regional ground continuous wall connector antipriming |
| PCT/CN2020/103604 WO2021013201A1 (en) | 2019-07-24 | 2020-07-22 | Water stopping device and method for ground continuous wall joint in high-water-rich coastal area |
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| CN201910669495.XA CN110528501A (en) | 2019-07-24 | 2019-07-24 | A kind of high rich water borders on the sea regional ground continuous wall connector antipriming |
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| CN110528501A true CN110528501A (en) | 2019-12-03 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270653A (en) * | 2020-03-06 | 2020-06-12 | 中电建十一局工程有限公司 | One-time pouring construction method for hydraulic dam side water-stop steel plate |
| CN111535298A (en) * | 2020-05-12 | 2020-08-14 | 中建六局水利水电建设集团有限公司 | Seepage-proofing construction method for underground diaphragm wall |
| WO2021013201A1 (en) * | 2019-07-24 | 2021-01-28 | 青岛理工大学 | Water stopping device and method for ground continuous wall joint in high-water-rich coastal area |
| CN112854196A (en) * | 2021-01-08 | 2021-05-28 | 中国建筑第八工程局有限公司 | Construction method and structure of bending-pulling-resistant underground continuous wall |
| CN113026722A (en) * | 2021-02-22 | 2021-06-25 | 南通四建集团有限公司 | Combined water stop structure with multilateral ribbed plates for underground continuous wall and construction method |
| CN113338947A (en) * | 2021-04-14 | 2021-09-03 | 浙江交工集团股份有限公司 | Sand-flowing-preventing water-gushing working well for water-rich sand layer and construction method thereof |
| CN113897945A (en) * | 2021-11-04 | 2022-01-07 | 湖北省交通规划设计院股份有限公司 | Ground-connecting wall combined connecting structure and construction method |
| CN115324117A (en) * | 2022-08-16 | 2022-11-11 | 中铁二十局集团南方工程有限公司 | Construction method for stopping water of diaphragm wall joint |
| CN115369924A (en) * | 2022-08-02 | 2022-11-22 | 中国建筑第八工程局有限公司 | Construction method of underground continuous wall joint |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07138943A (en) * | 1993-11-18 | 1995-05-30 | Kajima Corp | Joint structure of underground continuous wall |
| CN200981996Y (en) * | 2006-12-18 | 2007-11-28 | 上海华瀛建筑科技有限公司 | Super deep underground continuous wall adapter |
| CN203834524U (en) * | 2014-03-31 | 2014-09-17 | 广西建工集团第五建筑工程有限责任公司 | Concrete streaming preventing device for H-type steel connector grout stop plate at underground continuous wall chase section |
| CN206554070U (en) * | 2017-02-28 | 2017-10-13 | 中交二公局第二工程有限公司 | A kind of anti-by-pass means of ground-connecting-wall H profile steel joint |
| CN107687166A (en) * | 2017-10-18 | 2018-02-13 | 太原理工大学 | Diaphram wall is anti-to stream, water-impervious I-shaped steel joint structure and construction method |
| CN207934021U (en) * | 2018-02-02 | 2018-10-02 | 中铁十四局集团大盾构工程有限公司 | A kind of lock catch device for preventing streaming for diaphram wall H profile steel connector |
| CN211312489U (en) * | 2019-07-24 | 2020-08-21 | 青岛理工大学 | High rich water faces sea area diaphragm wall and connects sealing device |
-
2019
- 2019-07-24 CN CN201910669495.XA patent/CN110528501A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07138943A (en) * | 1993-11-18 | 1995-05-30 | Kajima Corp | Joint structure of underground continuous wall |
| CN200981996Y (en) * | 2006-12-18 | 2007-11-28 | 上海华瀛建筑科技有限公司 | Super deep underground continuous wall adapter |
| CN203834524U (en) * | 2014-03-31 | 2014-09-17 | 广西建工集团第五建筑工程有限责任公司 | Concrete streaming preventing device for H-type steel connector grout stop plate at underground continuous wall chase section |
| CN206554070U (en) * | 2017-02-28 | 2017-10-13 | 中交二公局第二工程有限公司 | A kind of anti-by-pass means of ground-connecting-wall H profile steel joint |
| CN107687166A (en) * | 2017-10-18 | 2018-02-13 | 太原理工大学 | Diaphram wall is anti-to stream, water-impervious I-shaped steel joint structure and construction method |
| CN207934021U (en) * | 2018-02-02 | 2018-10-02 | 中铁十四局集团大盾构工程有限公司 | A kind of lock catch device for preventing streaming for diaphram wall H profile steel connector |
| CN211312489U (en) * | 2019-07-24 | 2020-08-21 | 青岛理工大学 | High rich water faces sea area diaphragm wall and connects sealing device |
Non-Patent Citations (3)
| Title |
|---|
| 倪鹏: "地下连续墙施工技术的应用", 《太原城市职业技术学院学报》, no. 3, pages 182 - 183 * |
| 李希宏: "复杂地质条件下地连墙接缝质量控制要点", 《中国水运》, vol. 16, no. 6, pages 184 - 185 * |
| 杨跃: "《现代高层建筑施工》", 华中科技大学出版社, pages: 35 - 46 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021013201A1 (en) * | 2019-07-24 | 2021-01-28 | 青岛理工大学 | Water stopping device and method for ground continuous wall joint in high-water-rich coastal area |
| CN111270653A (en) * | 2020-03-06 | 2020-06-12 | 中电建十一局工程有限公司 | One-time pouring construction method for hydraulic dam side water-stop steel plate |
| CN111270653B (en) * | 2020-03-06 | 2021-08-24 | 中电建十一局工程有限公司 | One-time pouring construction method for hydraulic dam side water-stop steel plate |
| CN111535298A (en) * | 2020-05-12 | 2020-08-14 | 中建六局水利水电建设集团有限公司 | Seepage-proofing construction method for underground diaphragm wall |
| CN112854196A (en) * | 2021-01-08 | 2021-05-28 | 中国建筑第八工程局有限公司 | Construction method and structure of bending-pulling-resistant underground continuous wall |
| CN113026722A (en) * | 2021-02-22 | 2021-06-25 | 南通四建集团有限公司 | Combined water stop structure with multilateral ribbed plates for underground continuous wall and construction method |
| CN113338947A (en) * | 2021-04-14 | 2021-09-03 | 浙江交工集团股份有限公司 | Sand-flowing-preventing water-gushing working well for water-rich sand layer and construction method thereof |
| CN113338947B (en) * | 2021-04-14 | 2024-04-09 | 浙江交工集团股份有限公司 | Water-rich sand layer anti-flowing sand water-surge working well and construction method thereof |
| CN113897945A (en) * | 2021-11-04 | 2022-01-07 | 湖北省交通规划设计院股份有限公司 | Ground-connecting wall combined connecting structure and construction method |
| CN115369924A (en) * | 2022-08-02 | 2022-11-22 | 中国建筑第八工程局有限公司 | Construction method of underground continuous wall joint |
| CN115369924B (en) * | 2022-08-02 | 2023-11-21 | 中国建筑第八工程局有限公司 | Construction method of underground diaphragm wall joint |
| CN115324117A (en) * | 2022-08-16 | 2022-11-11 | 中铁二十局集团南方工程有限公司 | Construction method for stopping water of diaphragm wall joint |
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