CN108643230A - A kind of outer waterproof construction of underground pipe gallery and construction method - Google Patents
A kind of outer waterproof construction of underground pipe gallery and construction method Download PDFInfo
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- CN108643230A CN108643230A CN201810599903.4A CN201810599903A CN108643230A CN 108643230 A CN108643230 A CN 108643230A CN 201810599903 A CN201810599903 A CN 201810599903A CN 108643230 A CN108643230 A CN 108643230A
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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
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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Abstract
A kind of outer waterproof construction of underground pipe gallery and construction method, wherein, waterproof construction is made of base plate waterproofing, side wall waterproof layer and waterproof roofing layer, and the base plate waterproofing directly pours structural concrete mixture bonding using polymer membranes, coiled material is overlay with after；Side wall waterproof layer is two-sided wet-laying polymer membranes and single side wet-laying polymer membranes, and first of waterproof roll cement mortar is bonded with base, is overlapped for self-adhesion between coiled material, and brick wall protective layer is equipped on the outside of side wall waterproof layer；Waterproof roofing layer is two-sided wet-laying polymer membranes and single side wet-laying polymer membranes, and first of waterproof roll cement mortar is bonded with base, is overlapped for self-adhesion between coiled material, and pea gravel concreten protective layer is equipped with above waterproof layer.The present invention improves the outer waterproof ability of underground pipe gallery structure, and easy to operate, quick construction, is suitable for the construction of the outer waterproof of the construction of underground structures concrete structures such as pipe gallery, box culvert.
Description
Technical field
It is anti-outside specifically a kind of underground pipe gallery the present invention relates to a kind of underground pipe gallery technical field of construction
Water-bound and construction method.
Background technology
As the continuous growth of Chinese national economy and city itself expanding economy, pipe gallery have become national throwing
Provide the new fresh combatants of development, the purpose for building pipe gallery be exactly by needed for city various pipelines and cable be included in synthesis
Piping lane is managed collectively.Pipe gallery belongs to construction of underground structure, and high requirement is proposed to structurally waterproof.
Currently, according to waterproofing rule and waterproof atlas, certain restrict is generated to waterproofing design and its development.With waterproof row
The fast development of industry, waterproof roll wide variety, technological innovation is very fast, to allow new material to be applied, and gives full play to anti-
Its feature of water coiled material works out a kind of outer water-proof system of new structure and construction method in conjunction with pipe gallery construction technology feature.
Invention content
In order to overcome the defect of prior art, provide anti-outside the pipe gallery of a kind of high construction efficiency, good water-proof effect
Water-bound and construction method.The invention discloses waterproof construction and construction methods outside a kind of underground pipe gallery.
A kind of outer waterproof construction of underground pipe gallery, is made of base plate waterproofing, side wall waterproof layer and waterproof roofing layer.
The base plate waterproofing is one layer and overlays polymer membranes, and coiled material directly pours structural concrete mixture with after
It bonds, additional waterproofing layer is set in side wall bottom chamfer position.
The side wall waterproof layer is two-sided wet-laying polymer membranes+single side wet-laying polymer membranes, first layer
Coiled material cement mortar is bonded with base, is overlapped for self-adhesion between coiled material, the second layer coiled material and the first layer coiled material are directly be bonded.In side wall
Waterproof reinforced layer is done on the outside of horizontal construction joint, waterproof roofing material is overlapped with side wall waterproof material, and centre sets double-faced waterproofing coiled material
It overlaps adhesive tape to bond, and is sealed using sealing compound in coil end, brick wall protective layer is set on the outside of side wall waterproof layer.
The waterproof roofing layer is two-sided wet-laying polymer membranes+single side wet-laying polymer membranes, first layer
Coiled material cement mortar is bonded with base, is overlapped for self-adhesion between coiled material, the second layer coiled material and the first layer coiled material are directly be bonded.Waterproof layer
It is equipped with pea gravel concreten protective layer above.
Waterproof reinforced layer is arranged in the side wall waterproof layer, waterproof roofing layer at circumferential deformation seam.
Described to overlay polymer membranes, such coiled material film elongation at break >=400% is reserved in coiled material long side side
100mm wide is used as the long edge lap of coiled material.
The wet-laying polymer membranes（Single side and two-sided）, such coiled material maximum pull elongation >=150% rolling up
Material long side side, reserved 100mm wide are used as the long edge lap of coiled material.
The present invention reaches goal of the invention by following technical solution：
A kind of outer waterproof construction construction method of underground pipe gallery, includes the following steps：
A. surveying and locating determines piping lane bottom plate sideline.
B. bottom plate brick mold is built by laying bricks or stones：MU10 brick walls are built using M7.5 mortars, wall thickness is 120mm or 240mm.Brick wall top mark is high
The above 3 skin bricks of construction of bottom plates seam should be higher by.After brick wall is built by laying bricks or stones, structural cushion coat is made with brick wall inner corner trim using cement mortar
The chamfering of 50mm wide.
C. base plate waterproofing is constructed：Coiled material is constructed using polymer membranes is overlay using empty laying method.Waterproof slab
Before large-area construction, it is 50cm to answer first making inner corner trim extra play, the same base plate waterproofing of extra play material, extra play width, on one side
Overlap 25cm.It is consistent with structure section direction that waterproof roll is laid with long side.Coiled material lapping：Reserved film is directly torn, is bonded.
Coiled material lapping width is 70mm（Self-adhesive）, and tolerance is -10 ㎜.The dislocation of short side overlap joint is not small in the same plane for coiled material
In 500mm, coiled material short side overlap joint is bonded using double-faced waterproofing coiled material lapping adhesive tape.Waterproof roll overlap joint should be close, there is not allowed that
It overlaps loosely, leakiness phenomenon.
D. bottom plate is handled with side wall waterproof overlap joint：It waits for that piping lane side wall and concrete roof pour to finish, concrete strength reaches
To after design requirement, bottom plate is got rid of raft waterproof roll and cleared up by 30cm under brick mold outside bottom plate is removed to construction joint, will not
It is cut off with the coiled material of concrete binding.Base plate waterproofing is viscous using double-faced waterproofing coiled material lapping adhesive tape with side wall waterproof layer
Knot, it is ensured that waterproof roll is connected firmly, is closely knit, and adds in wall construction seam position and do extra play.
F. first of waterproof construction of side wall and top plate：Using wet-laid process, waterproof roll is rolled up for two-sided wet-laying macromolecule waterproof
Material.
Remove dust, the sundries of substrate surface；The advance water drenching of dry basal plane fully soaks.
Prepare cement mortar：The ratio of mud takes 0.35~0.4（Weight ratio）, puttylike is stirred into electric mixer
It uses.
Smear cement mortar：Depending on base's flat conditions, paving should be noted that compacting, smoothes out its thickness when smearing.At inner corner trim, it should smear
At fillet.Paving smear the width of cement mortar than the long and short side of coiled material preferably it is each it is wide go out 100~300mm, and pay attention to protecting during paving is smeared
Demonstrate,prove flatness.
Take the isolation film of waterproof roll lower surface off.
Coiled material extra play is constructed：The privileged sites such as negative and positive angle, wall bushing should be coiled material extra play, width 500mm.
Spread waterproof roll：Waterproof roll is laid on cement mortar.Between coiled material and adjacent web for self-adhesion overlap, will under
Layer coiled material upper surface overlapping part isolation film and upper layer coiled material lower surface isolation film remove, and then overlap closely knit.
Pat coiled material upper surface, warehouse：Coiled material upper surface is patted with wooden float or rubber slab；Coiled material following table is discharged in warehouse
The air in face, makes coiled material be fitted closely with cement mortar.
Overlap joint：Using upper and lower overlap joint, lap width 70mm, tolerance is -10 mm.Same layer coiled material, short side are taken
Wrong is opened not less than 500mm.
Overlapping part must clean, totally, the pollutants such as anhydrous or mortar, can first be cleared up coiled material lapping position with rag
Totally, then isolation film is removed and is overlapped.
Waterproof roll answers temporary sealing in paving on wall at coiled material closing in（Adhesive tape or thickening cement mortar can be used close
Envelope）, to prevent wall from receiving, moisture content at head is too fast to be scattered and disappeared.
Outer anti-outer patch method paving coiled material, when paving, should first pave face, spread facade afterwards.
Concrete structure is completed, and when paving facade coiled material, connects on the coiled material of raft position layer coiled material under layer coiled material lid.
G. side wall and top plate second waterproof construction（Full bonding）
After first of waterproof coiled material construction, then second waterproof roll paving is carried out, second waterproof roll uses single side
Wet-laying polymer membranes, coiled material lapping width is the same as first of coiled material.It should be staggered when the long edge lap of upper layer and lower layer coiled material, and
No less than breadth 1/3, upper layer and lower layer short side should also be staggered not less than 500mm.
Second waterproof coiled material construction should be taken off under first of waterproof roll upper surface isolation film and second waterproof roll
Surface isolation film, by second installation of membrane on first of coiled material, after the coiled material exhaust of large area, being compacted with pressure roller, then
Overlapping part is rolled, firmly rolls forward, outward, air, firm pasting is discharged.Overlap joint control line should be directed at when overlap joint
It carries out, it is ensured that the lap joint quality of coiled material.When paving large area coiled material, the isolation film of coil back surface overlapping part not taken off
Fall, in order to avoid pollution adhesive layer or accidentally viscous.
H. side wall fish tail and waterproof layer：MU10 brick walls are built using M7.5 mortars, wall thickness is 120mm or 240mm.
I. waterproof roofing protective layer：Using the pea gravel concreten protective layer of strength grade >=C20.
For the present invention in construction, bottom plate is after-pouring concrete, therefore bottom plate uses and overlays polymer membranes, the volume
Material directly pours structural concrete mixture bonding with after, is formed whole.When differential settlement occurs for ground, such coiled material can have
Effect prevents differential settlement from causing anti-water destruct, waterproof effect unaffected.Side wall top plate be structure construction after construct again
Waterproof roll, therefore wet-laying polymer membranes is used, the waterproof roll flexibility is good, is bonded using cement mortar and base,
Waterproof roll can be bonded with close structure, improve waterproof construction quality.
The invention has effective effect that：It is constructed using above-mentioned outer waterproof construction, material property is not fully exerted.The waterproof
System construction efficiency is high, while improving structurally waterproof effect, is applicable in the waterproof construction of various construction of underground structures.
Description of the drawings
Fig. 1 is the outer waterproof construction schematic diagram of pipe gallery in the present invention；
Fig. 2 is that bottom plate of the present invention overlaps schematic diagram with side wall waterproof.
In figure：1- concrete cushions, 2- overlay polymer membranes, 3- Pipe racks, 4- brick wall fish tail and waterproof layers, 5-
Single side wet-laying polymer membranes, the two-sided wet-laying polymer membranes of 6-, 7- pea gravel concreten fish tail and waterproof layers, 8- are two-sided
Waterproof roll overlaps adhesive tape, 9- sealing materials, 10- brick molds, 11- waterproof reinforced layers.
Specific implementation mode
It is further illustrated the present invention below by way of specific embodiment.
Embodiment 1
A kind of outer waterproof construction of underground pipe gallery, by base plate waterproofing, side wall waterproof layer, waterproof roofing layer composition.
The base plate waterproofing is that one layer of 1.2mm thickness overlays polymer membranes, and coiled material directly pours structure coagulation with after
Native mixture bonds, and additional waterproofing layer is set in side wall bottom chamfer position.
The side wall waterproof layer is that the thick two-sided wet-laying polymer membranes+1.5mm thickness single side wet-laying macromolecules of 1.5mm are anti-
Water coiled material, the first layer coiled material cement mortar are bonded with base, are overlapped for self-adhesion between coiled material, the second layer coiled material and the first layer coiled material are straight
Connect bonding.Waterproof reinforced layer is done on the outside of side wall horizontal construction joint, waterproof roofing material is overlapped with side wall waterproof material, and centre is set
Double-faced waterproofing coiled material lapping adhesive tape（30mm wide, 1mm are thick）It bonds, and is sealed using sealing compound in coil end, side wall waterproof layer
Outside sets M7.5 mortars and builds MU10 brick wall protective layers, and brick wall thickness is 240mm.
The waterproof roofing layer is that the thick two-sided wet-laying polymer membranes+1.5mm thickness single side wet-laying macromolecules of 1.5mm are anti-
Water coiled material, the first layer coiled material cement mortar are bonded with base, are overlapped for self-adhesion between coiled material, the second layer coiled material and the first layer coiled material are straight
Connect bonding.70mm thickness C20 pea gravel concreten protective layers are equipped with above waterproof layer.
Waterproof reinforced layer is arranged in the side wall waterproof layer, waterproof roofing layer at circumferential deformation seam.
Described to overlay polymer membranes, such coiled material film elongation at break >=400% is reserved in coiled material long side side
100mm wide is used as the long edge lap of coiled material.
The wet-laying polymer membranes（Single side and two-sided）, such coiled material maximum pull elongation >=150% rolling up
Material long side side, reserved 100mm wide are used as the long edge lap of coiled material.
The present invention reaches goal of the invention by following technical solution：
A kind of outer waterproof construction construction method of underground pipe gallery, includes the following steps：
A. surveying and locating determines piping lane bottom plate sideline.
B. bottom plate brick mold is built by laying bricks or stones：MU10 brick walls, wall thickness 240mm are built using M7.5 mortars.Brick wall top mark height should be higher by
The above 3 skin bricks of construction of bottom plates seam.After brick wall is built by laying bricks or stones, structural cushion coat is made into 50mm wide with brick wall inner corner trim using cement mortar
Chamfering.
C. base plate waterproofing is constructed：Coiled material overlays polymer membranes using 1.2mm thickness, is constructed using empty laying method.
Before waterproof slab large-area construction, the first making inner corner trim extra play, the same base plate waterproofing of extra play material, extra play width is answered to be
50cm, an edge lap 25cm.It is consistent with structure section direction that waterproof roll is laid with long side.Coiled material lapping：Reserved film is directly torn,
Bonding.Coiled material lapping width is 70mm（Self-adhesive）, and tolerance is -10 ㎜.Coiled material in the same plane take by short side
Wrong position is not less than 500mm, and coiled material short side overlap joint uses double-faced waterproofing coiled material lapping adhesive tape（30mm wide, 1mm are thick）It bonds.Waterproof
Coiled material lapping should be close, there is not allowed that overlap joint is loosely, leakiness phenomenon.
D. bottom plate is handled with side wall waterproof overlap joint：It waits for that piping lane side wall and concrete roof pour to finish, concrete strength reaches
To after design requirement, bottom plate is got rid of raft waterproof roll and cleared up by 30cm under brick mold outside bottom plate is removed to construction joint, will not
It is cut off with the coiled material of concrete binding.Base plate waterproofing is viscous using double-faced waterproofing coiled material lapping adhesive tape with side wall waterproof layer
Knot, it is ensured that waterproof roll is connected firmly, is closely knit, and adds in wall construction seam position and do extra play.
F. first of waterproof construction of side wall and top plate：Using wet-laid process, waterproof roll is rolled up for two-sided wet-laying macromolecule waterproof
Material.
Remove dust, the sundries of substrate surface；The advance water drenching of dry basal plane fully soaks.
Prepare cement mortar：The ratio of mud takes 0.35~0.4（Weight ratio）, puttylike is stirred into electric mixer
It uses.
Smear cement mortar：Depending on base's flat conditions, paving should be noted that compacting, smoothes out its thickness when smearing.At inner corner trim, it should smear
At fillet.Paving smear the width of cement mortar than the long and short side of coiled material preferably it is each it is wide go out 100~300mm, and pay attention to protecting during paving is smeared
Demonstrate,prove flatness.
Take the isolation film of waterproof roll lower surface off.
Coiled material extra play is constructed：The privileged sites such as negative and positive angle, wall bushing should be coiled material extra play, width 500mm.
Spread waterproof roll：Waterproof roll is laid on cement mortar.Between coiled material and adjacent web for self-adhesion overlap, will under
Layer coiled material upper surface overlapping part isolation film and upper layer coiled material lower surface isolation film remove, and then overlap closely knit.
Pat coiled material upper surface, warehouse：Coiled material upper surface is patted with wooden float or rubber slab；Coiled material following table is discharged in warehouse
The air in face, makes coiled material be fitted closely with cement mortar.
Overlap joint：Using upper and lower overlap joint, lap width 70mm, tolerance is -10 mm.Same layer coiled material, short side are taken
Wrong is opened not less than 500mm.
Overlapping part must clean, totally, the pollutants such as anhydrous or mortar, can first be cleared up coiled material lapping position with rag
Totally, then isolation film is removed and is overlapped.
Waterproof roll answers temporary sealing in paving on wall at coiled material closing in（Adhesive tape or thickening cement mortar can be used close
Envelope）, to prevent wall from receiving, moisture content at head is too fast to be scattered and disappeared.
Outer anti-outer patch method paving coiled material, when paving, should first pave face, spread facade afterwards.
Concrete structure is completed, and when paving facade coiled material, connects on the coiled material of raft position layer coiled material under layer coiled material lid.
G. side wall and top plate second waterproof construction（Full bonding）
After first of waterproof coiled material construction, then second waterproof roll paving is carried out, second waterproof roll uses 1.5mm
Thick single side wet-laying polymer membranes, coiled material lapping width is the same as first of coiled material.It is answered when the long edge lap of upper layer and lower layer coiled material
It is staggered, and no less than breadth 1/3, upper layer and lower layer short side should also be staggered not less than 500mm.
Second waterproof coiled material construction should be taken off under first of waterproof roll upper surface isolation film and second waterproof roll
Surface isolation film, by second installation of membrane on first of coiled material, after the coiled material exhaust of large area, being compacted with pressure roller, then
Overlapping part is rolled, firmly rolls forward, outward, air, firm pasting is discharged.Overlap joint control line should be directed at when overlap joint
It carries out, it is ensured that the lap joint quality of coiled material.When paving large area coiled material, the isolation film of coil back surface overlapping part not taken off
Fall, in order to avoid pollution adhesive layer or accidentally viscous.
H. side wall fish tail and waterproof layer：MU10 brick walls, wall thickness 240mm are built using M7.5 mortars.
I. waterproof roofing protective layer：Using the pea gravel concreten protective layer of 70mm thickness C20.
The above is only present pre-ferred embodiments, is not imposed any restrictions to the present invention, every according to skill of the present invention
Art essence changes any simple modification, change and equivalent structure made by above example, still falls within the technology of the present invention
In the protection domain of scheme.
Claims (2)
1. a kind of outer waterproof construction of underground pipe gallery, which is characterized in that by base plate waterproofing, side wall waterproof layer and waterproof roofing
Layer composition；
The base plate waterproofing is one layer and overlays polymer membranes, is directly bonded with the bottom plate of pipe gallery, at side wall bottom
Portion chamfering position sets additional waterproofing layer；
The side wall waterproof layer include first part, it is described overlay polymer membranes and brick wall protective layer, described first
Divide and includes：Two-sided wet-laying polymer membranes and single side wet-laying polymer membranes, two-sided wet-laying polymer membranes
Bonded by the side wall of cement mortar and pipe gallery, overlapped for self-adhesion between coiled material, the single side wet-laying polymer membranes with
The two-sided wet-laying polymer membranes is directly bonded, and it is anti-that first is arranged on the outside of the horizontal construction joint of the side wall of pipe gallery
Water enhancement layer, the first part overlay polymer membranes overlap joint with described, and lap-joint sets double-faced waterproofing coiled material lapping glue
Band bonding, and sealed using sealing compound in coil end, set brick wall protective layer on the outside of the side wall waterproof layer；
The waterproof roofing layer is the two-sided wet-laying polymer membranes and the single side wet-laying polymer membranes, institute
It states two-sided wet-laying polymer membranes to bond by cement mortar and base, be overlapped for self-adhesion between coiled material, the single side wet-laying is high
Molecule waterproof roll and the two-sided wet-laying polymer membranes are directly be bonded, on the single side wet-laying polymer membranes
Face is equipped with pea gravel concreten protective layer；
The second waterproof reinforced layer is arranged in the side wall waterproof layer, waterproof roofing layer at circumferential deformation seam；
Elongation at break >=400% for overlaying polymer membranes, in coiled material long side side, reserved 100mm wide is used as volume
The long edge lap of material；
The maximum pull elongation of the two-sided wet-laying polymer membranes and the single side wet-laying polymer membranes >=
150%, in coiled material long side side, reserved 100mm wide is used as the long edge lap of coiled material.
2. a kind of outer waterproof construction construction method of underground pipe gallery, which is characterized in that include the following steps：
A. surveying and locating determines piping lane bottom plate sideline；
B. bottom plate brick mold is built by laying bricks or stones：MU10 brick walls are built using M7.5 mortars, wall thickness is 120mm or 240mm, brick wall top mark Gao Yinggao
Go out the above 3 skin bricks of construction of bottom plates seam, after brick wall is built by laying bricks or stones, structural cushion coat and brick wall inner corner trim are made into 50mm using cement mortar
Wide chamfering；
C. base plate waterproofing is constructed：Coiled material is constructed using polymer membranes is overlay using empty laid process, waterproof slab large area
Before construction, it is 50cm, an edge lap to answer first making inner corner trim extra play, the same base plate waterproofing of extra play material, extra play width
25cm, waterproof roll laying long side is consistent with structure section direction, coiled material lapping：Reserved film is directly torn, is bonded, coiled material
Lap width is 70mm（Self-adhesive）, and tolerance is -10 ㎜, the dislocation of short side overlap joint is not less than coiled material in the same plane
500mm, coiled material short side overlap joint are bonded using double-faced waterproofing coiled material lapping adhesive tape, and waterproof roll overlap joint should be close, there is not allowed that taking
It connects loosely, leakiness phenomenon；
D. bottom plate is handled with side wall waterproof overlap joint：It waits for that piping lane side wall and concrete roof pour to finish, concrete strength, which reaches, to be set
After meter requires, bottom plate is got rid of raft waterproof roll and cleared up by 30cm under brick mold outside bottom plate is removed to construction joint, will not with it is mixed
The coiled material that solidifying soil bonds is cut off, and base plate waterproofing is bonded with side wall waterproof layer using double-faced waterproofing coiled material lapping adhesive tape, really
It protects waterproof roll be connected firmly, be closely knit, and adds in wall construction seam position and do extra play；
F. first of waterproof construction of side wall and top plate：Using wet-laid process, waterproof roll is two-sided wet-laying polymer membranes；
Remove dust, the sundries of substrate surface；The advance water drenching of dry basal plane fully soaks；
Prepare cement mortar：The ratio of mud takes 0.35~0.4（Weight ratio）, being stirred into puttylike with electric mixer can make
With；
Smear cement mortar：Depending on base's flat conditions, paving should be noted that compacting, smoothes out its thickness when smearing, at inner corner trim, should smear into circle
Angle, paving smear the width of cement mortar than the long and short side of coiled material preferably it is each it is wide go out 100~300mm, and during paving is smeared pay attention to ensureing flat
Whole degree；
Take the isolation film of waterproof roll lower surface off；
Coiled material extra play is constructed：The privileged sites such as negative and positive angle, wall bushing should be coiled material extra play, width 500mm；
Spread waterproof roll：Waterproof roll is laid on cement mortar, is overlapped for self-adhesion between coiled material and adjacent web, lower layer is rolled up
Material upper surface overlapping part isolation film and upper layer coiled material lower surface isolation film remove, and then overlap closely knit；
Pat coiled material upper surface, warehouse：Coiled material upper surface is patted with wooden float or rubber slab；Warehouse, discharge coiled material lower surface
Air makes coiled material be fitted closely with cement mortar；
Overlap joint：Using upper and lower overlap joint, lap width 70mm, tolerance is -10 ㎜, same layer coiled material, short side overlap joint mistake
It opens and is not less than 500mm；
Overlapping part must clean, totally, the pollutants such as anhydrous or mortar, can first be cleared up coiled material lapping position with rag dry
Only, then isolation film is removed and is overlapped；
Waterproof roll answers temporary sealing in paving on wall at coiled material closing in（Adhesive tape can be used or thicken cement mortar sealing）,
To prevent wall from receiving, moisture content at head is too fast to be scattered and disappeared；
Outer anti-outer patch method paving coiled material, when paving, should first pave face, spread facade afterwards；
Concrete structure is completed, and when paving facade coiled material, connects on the coiled material of raft position layer coiled material under layer coiled material lid；
G. side wall and top plate second waterproof construction（Full bonding）：
After first of waterproof coiled material construction, then second waterproof roll paving is carried out, second waterproof roll uses single side
Wet-laying polymer membranes, coiled material lapping width should be staggered with first of coiled material when the long edge lap of upper layer and lower layer coiled material, and
No less than breadth 1/3, upper layer and lower layer short side should also be staggered not less than 500mm；
Second waterproof coiled material construction should take first of waterproof roll upper surface isolation film and second waterproof roll lower surface off
Isolation film, by second installation of membrane on first of coiled material, after the coiled material exhaust of large area, being compacted with pressure roller, then to taking
Socket part position is rolled, firmly forward, rolling outward, be discharged air, firm pasting, when overlap joint should be aligned overlap joint control line into
Row, it is ensured that the lap joint quality of coiled material when paving large area coiled material, the isolation film of coil back surface overlapping part not taken off,
In order to avoid pollution adhesive layer or accidentally viscous；
H. side wall fish tail and waterproof layer：MU10 brick walls are built using M7.5 mortars, wall thickness is 120mm or 240mm；
I. waterproof roofing protective layer：Using the pea gravel concreten protective layer of strength grade >=C20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599903.4A CN108643230B (en) | 2018-06-12 | 2018-06-12 | Outer waterproof structure of underground comprehensive pipe rack and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599903.4A CN108643230B (en) | 2018-06-12 | 2018-06-12 | Outer waterproof structure of underground comprehensive pipe rack and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108643230A true CN108643230A (en) | 2018-10-12 |
| CN108643230B CN108643230B (en) | 2023-08-22 |
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| CN201810599903.4A Active CN108643230B (en) | 2018-06-12 | 2018-06-12 | Outer waterproof structure of underground comprehensive pipe rack and construction method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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