CN113529982A - Deformation joint waterproof construction method - Google Patents

Deformation joint waterproof construction method Download PDF

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Publication number
CN113529982A
CN113529982A CN202110925305.3A CN202110925305A CN113529982A CN 113529982 A CN113529982 A CN 113529982A CN 202110925305 A CN202110925305 A CN 202110925305A CN 113529982 A CN113529982 A CN 113529982A
Authority
CN
China
Prior art keywords
water stop
deformation joint
construction method
waterproof construction
waterproof
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.)
Pending
Application number
CN202110925305.3A
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Chinese (zh)
Inventor
何宗孝
唐忠
杨清江
曹明爱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MCC5 Group Shanghai Corp Ltd
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MCC5 Group Shanghai Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MCC5 Group Shanghai Corp Ltd filed Critical MCC5 Group Shanghai Corp Ltd
Priority to CN202110925305.3A priority Critical patent/CN113529982A/en
Publication of CN113529982A publication Critical patent/CN113529982A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66Sealings
    • E04B1/68Sealings of joints, e.g. expansion joints
    • E04B1/6801Fillings therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66Sealings
    • E04B1/665Sheets or foils impervious to water and water vapor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66Sealings
    • E04B1/68Sealings of joints, e.g. expansion joints
    • E04B1/6806Waterstops
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66Sealings
    • E04B1/68Sealings of joints, e.g. expansion joints
    • E04B1/6812Compressable seals of solid form
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements

Abstract

The invention discloses a deformation joint waterproof construction method, which comprises the following steps: s1, mounting a buried water stop belt in the middle of the wall; s2, installing polystyrene boards on two sides of the buried water stop belt; s3, mounting an externally-attached water stop on the water facing side; s4, pouring concrete; s5, brushing a cement-based capillary crystalline waterproof coating; s6, laying an additional layer of coiled material; s7, laying coiled materials; the deformation joint waterproof construction method provided by the invention has the advantages of good waterproof effect and convenience in construction.

Description

Deformation joint waterproof construction method
Technical Field
The invention relates to the technical field of building construction, in particular to a deformation joint waterproof construction method.
Background
A continuous annealing bay and a finished product storehouse area factory building are newly built, the underground waterproof grade is II grade, the waterproof requirement is higher, the underground water level is higher (the average water level is-2 to-3 m), and the water pressure is higher, so the construction quality of the underground waterproof engineering is particularly important. The building is deformed under the action of external factors, and is easy to crack or even damage, and the deformation joint is a reserved construction joint for the condition. Therefore, the deformation joint is a weak part of the underground waterproof engineering, the difficulty of waterproof treatment and a key link of structural waterproofing. If the waterproofing treatment is not done, leakage occurs, which causes serious quality problems.
The Chinese patent with the publication number of CN207525791U, a flexible waterproof structure of movement joint, disclose a flexible waterproof structure of movement joint, relate to the movement joint waterproof field, include the movement joint that comprises the base member, the movement joint includes the movement joint fluting of top and the movement joint gap of below, movement joint fluting top is provided with the main part waterproof layer, be provided with the spacer block in the movement joint gap, the spacer block top has set gradually a plurality of layers of half prefabricated flexible waterproof membrane, be provided with flexible filling material between the adjacent two-layer half prefabricated flexible waterproof membrane, the child base cloth of every way half prefabricated flexible waterproof membrane and both sides bonds and overlaps with the main part waterproof layer through site operation with the movement joint basic unit, be provided with the fixed metal sheet in one side on the movement joint fluting, the movement joint fluting is filled with elastic mortar, elastic mortar and base member are leveled. The utility model discloses a flexible waterproof construction of movement joint can adapt to the big displacement deformation of movement joint, withstands the mechanical pressure of the upstream face and the pressure of the depth of water simultaneously, and waterproof construction's durability prolongs greatly.
However, the waterproof structure of the prior art deformation joint still has a problem of leakage.
Disclosure of Invention
The deformation joint waterproof construction method provided by the invention has the advantages of good waterproof effect and convenience in construction.
To achieve the purpose, the invention provides the following technical scheme:
a deformation joint waterproof construction method comprises the following steps:
s1, mounting a buried water stop belt in the middle of the wall;
s2, installing polystyrene boards on two sides of the buried water stop belt;
s3, mounting an externally-attached water stop on the water facing side;
s4, pouring concrete;
s5, brushing a cement-based capillary crystalline waterproof coating;
s6, laying an additional layer of coiled material;
and S7, laying the coiled material.
Preferably, the method for attaching the buried water stop in step S2 and the external water stop in step S3 includes: the abutted seam of the buried water stop and the externally-attached water stop adopts lap welding and double-sided full welding.
Preferably, step S5 includes: the coating is repeatedly coated along one direction for at least two times, the first time enables the slurry to permeate into the base layer, the slurry uniformly covers the base layer, the coating is coated for the second time when the first time is in a hardening state, the second time is carried out along the vertical direction of the first time, the concave-convex part is fully coated during the coating, and the thickness is uniform.
Preferably, step S7 includes: the long side of the lap joint width between the coiled materials is not less than 100mm, the short side is not less than 120mm, the bonding rate of the coiled materials and the base layer is not less than 90%, and the non-adhesive area of each place is not more than 0.015 square meter.
Preferably, the method further comprises the following steps: and sealing the coiled material closing opening by using building sealant.
Preferably, the method further comprises the following steps: an expansion strip is arranged beside the polystyrene board on the back water surface.
Preferably, step S1 is preceded by: and (5) binding reinforcing steel bars at the deformation joints.
Preferably, the steps S4 and S5 further include: and (4) cleaning deformation joints, and leveling the rugged places by using a polishing machine and polymer cement mortar.
The deformation joint waterproof construction method further comprises the following steps:
and step one, popping up a control line of the deformation joint according to a field control point, marking, and binding the reinforcing steel bars at the deformation joint according to the specification of a drawing.
Step two, mounting the medium-buried water stop belt at the middle position of the wall body, welding the abutted seams of the water stop belt by adopting electric arc welding, adopting lap welding, overlapping steel plates by 5cm, fully welding two sides, and enabling the welding seams to be free of welding leakage, air holes and slag inclusion; the waterstop is fixed by spot welding with reinforcing steel bars, and the reinforcing steel bars cut off when the waterstop is installed are connected with the waterstop steel plate by a lap welding method for reinforcement; the post-cast strip water-stop steel plate is connected with the water-stop steel plate in the horizontal construction joint of the wall body to form a closed water-stop strip.
And step three, after the water stop belt is installed, installing polystyrene boards on two sides of the water stop steel plate.
And step four, installing the externally-attached water stop belt on one side of the upstream face, wherein the installation method and the requirement are the same as those of the buried water stop belt.
And fifthly, the flatness and perpendicularity of template installation meet the standard requirements, the impervious concrete with the thickness not less than P6 is adopted as the concrete, and the vibration is enhanced when the concrete is poured into the deformation joint, so that the construction quality of the concrete is ensured.
And sixthly, cleaning deformation joints after concrete pouring is finished, wherein the deformation joints are smooth and clean, and leveling treatment is performed on uneven places by using a polishing machine and polymer cement mortar.
And step seven, cleaning up floating dust of the base layer when the cement-based capillary crystals are coated, repeatedly coating along a certain direction, generally coating twice, wherein the first time is as far as possible to enable the coating to penetrate into capillary pores of the base layer and uniformly cover the base layer, when the first time is in a hardened state, coating is started for the second time, the second time is performed along the vertical direction of the first time, attention is paid to full coating of concave-convex parts during coating, the thickness is uniform, cracking is prevented, and the coating extends to the range of 600mm of the deformation joint.
And step eight, paving and pasting a waterproof coiled material additional layer at the deformation joint, wherein the waterproof coiled material additional layer covers the whole deformation joint and the range which is 500mm away from the center of the deformation joint.
And step nine, the lap joints among the coiled materials are required to be firmly bonded and tightly sealed, the long side of the lap joint width is not less than 100mm, and the short side of the lap joint width is not less than 120 mm. The waterproof effect is not influenced by the defects of corrugation, bulging, edge warping, displacement and the like, the bonding rate of the coiled material and the base layer is not less than 90 percent, and the area which is not adhered at each position is not more than 0.015 square meter.
Step ten, after the waterproof coiled material is paved, using building sealant to trowel and seal the closed position of the coiled material.
The invention combines the water resistance of the base layer and the deformation joint into a whole, prevents leakage points at the deformation joint and ensures the engineering quality. The construction process has the advantages of simple operation, high construction speed, good leakage-proof effect, long service life, environmental protection, energy conservation, consumption reduction and prolonged waterproof life. The deformation joint waterproof structure is suitable for common underground engineering waterproof with common requirements of new construction, reconstruction and continued construction, is economical and applicable, safe and environment-friendly, has strong practicability, and obviously improves the waterproof quality of the underground engineering.
Compared with the prior art, the invention has the beneficial effects and remarkable progresses that:
1. the deformation joint is more tightly waterproof through the construction of a middle-buried water stop belt, an externally-attached water stop belt, cement-based infiltration crystallization and the like;
2. the construction process has the advantages of simple operation, high construction speed, good leakage-proof effect, long service life, environmental protection, energy conservation, consumption reduction and prolonged waterproof life.
Drawings
To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiment of the present invention will be briefly described below.
It should be apparent that the drawings in the following description are only drawings of some embodiments of the invention, and that other drawings can be obtained by those skilled in the art without inventive exercise, and the other drawings also belong to the drawings required by the embodiments of the invention.
FIG. 1 is a construction effect diagram of a deformation joint waterproofing construction method according to an embodiment of the present invention;
FIG. 2 is a construction flow chart of a deformation joint waterproofing construction method according to an embodiment of the present invention;
in the figure, 1, a buried water stop, 2, a polystyrene board, 3, an externally-attached water stop, 4, a cement-based permeable crystalline waterproof coating, 5, a coiled material additional layer, 6, a coiled material and 7 expansion strips.
Detailed Description
In order to make the objects, technical solutions, advantageous effects and significant progress of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings provided in the embodiments of the present invention.
It is to be understood that all of the described embodiments are merely some, and not all, embodiments of the invention; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first", "second", and "third" (if present) and the like in the description and claims of the present invention and the accompanying drawings of the embodiments of the present invention are used only for distinguishing different objects and not for describing a particular order. Furthermore, the terms "comprises" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
It is to be understood that:
in the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, movably connected, or integrated; either directly or indirectly through intervening media, intangible signal, or even optical, communication between two elements, or an interaction between two elements, unless expressly limited otherwise.
The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be further noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.
The technical means of the present invention will be described in detail below with specific examples.
As shown in fig. 1, a construction effect diagram of a deformation joint waterproof construction method is shown, wherein a middle-buried water stop 1, a polystyrene board 2, an outer-attached water stop 3, a cement-based permeable crystalline waterproof coating 4, a coiled material additional layer 5, a coiled material 6 and an expansion strip 7 are arranged, the lower part is a water facing surface, the upper part is a water backing surface, the middle-buried water stop 1 is arranged at the middle position of a wall body, 2 polystyrene boards 2 are respectively arranged at the water facing surface and the water backing surface of the middle-buried water stop 1, the outer-attached water stop 3 is arranged beside the polystyrene board 2 on the water facing surface, the cement-based permeable crystalline waterproof coating 4 is coated at the outer side of the outer-attached water stop 3, and the coiled material additional layer 5 and the coiled material 6 are sequentially arranged at the outer side of the cement-based permeable crystalline waterproof coating 4. The expansion strip 7 is arranged beside the polystyrene board 2 on the back surface.
In this example, the thickness of the cement-based infiltration crystallization waterproof coating material 4 was 1 mm.
In this embodiment, the thickness of the expansion strip 7 is 50 mm.
As shown in fig. 2, there is shown a waterproof construction method for a deformation joint, comprising the steps of:
s1, mounting a buried water stop belt in the middle of the wall;
s2, installing polystyrene boards on two sides of the buried water stop belt;
s3, mounting an externally-attached water stop on the water facing side;
s4, pouring concrete;
s5, brushing a cement-based capillary crystalline waterproof coating;
s6, laying an additional layer of coiled material;
and S7, laying the coiled material.
In this embodiment, the method for attaching the buried water stop in step S2 and the external water stop in step S3 includes: the abutted seam of the buried water stop and the externally-attached water stop adopts lap welding and double-sided full welding.
In the present embodiment, step S5 includes: the coating is repeatedly coated along one direction for at least two times, the first time enables the slurry to permeate into the base layer, the slurry uniformly covers the base layer, the coating is coated for the second time when the first time is in a hardening state, the second time is carried out along the vertical direction of the first time, the concave-convex part is fully coated during the coating, and the thickness is uniform.
In the present embodiment, step S7 includes: the long side of the lap joint width between the coiled materials is not less than 100mm, the short side is not less than 120mm, the bonding rate of the coiled materials and the base layer is not less than 90%, and the non-adhesive area of each place is not more than 0.015 square meter.
In this embodiment, the method further includes the following steps: and sealing the coiled material closing opening by using building sealant.
In this embodiment, the method further includes the following steps: an expansion strip is arranged beside the polystyrene board on the back water surface.
In this embodiment, step S1 is preceded by: and (5) binding reinforcing steel bars at the deformation joints.
In the present embodiment, the steps S4 and S5 further include: and (4) cleaning deformation joints, and leveling the rugged places by using a polishing machine and polymer cement mortar.
The deformation joint waterproof construction method of the embodiment specifically comprises the following steps:
and step one, popping up a control line of the deformation joint according to a field control point, marking, and binding the reinforcing steel bars at the deformation joint according to the specification of a drawing.
Step two, mounting the medium-buried water stop belt at the middle position of the wall body, welding the abutted seams of the water stop belt by adopting electric arc welding, adopting lap welding, overlapping steel plates by 5cm, fully welding two sides, and enabling the welding seams to be free of welding leakage, air holes and slag inclusion; the waterstop is fixed by spot welding with reinforcing steel bars, and the reinforcing steel bars cut off when the waterstop is installed are connected with the waterstop steel plate by a lap welding method for reinforcement; the post-cast strip water-stop steel plate is connected with the water-stop steel plate in the horizontal construction joint of the wall body to form a closed water-stop strip.
And step three, after the water stop belt is installed, installing polystyrene boards on two sides of the water stop steel plate.
And step four, installing the externally-attached water stop belt on one side of the upstream face, wherein the installation method and the requirement are the same as those of the buried water stop belt.
And fifthly, the flatness and perpendicularity of template installation meet the standard requirements, the impervious concrete with the thickness not less than P6 is adopted as the concrete, and the vibration is enhanced when the concrete is poured into the deformation joint, so that the construction quality of the concrete is ensured.
And sixthly, cleaning deformation joints after concrete pouring is finished, wherein the deformation joints are smooth and clean, and leveling treatment is performed on uneven places by using a polishing machine and polymer cement mortar.
And step seven, cleaning up floating dust of the base layer when the cement-based infiltration crystallization is coated, repeatedly coating along a certain direction, generally coating twice, wherein the first time is as far as possible to enable the slurry to penetrate into capillary pores of the base layer, and uniformly cover the base layer, when the first-time coating is in a hardening state, the second time is coated, the second time is carried out along the vertical direction of the first time, the concave-convex part is fully coated during coating, the thickness is uniform, cracking is prevented, and the coating extends to the range of 600mm of the deformation joint.
And step eight, paving and pasting a waterproof coiled material additional layer at the deformation joint, wherein the waterproof coiled material additional layer covers the whole deformation joint and the range which is 500mm away from the center of the deformation joint.
And step nine, the lap joints among the coiled materials are required to be firmly bonded and tightly sealed, the long side of the lap joint width is not less than 100mm, and the short side of the lap joint width is not less than 120 mm. The waterproof effect is not influenced by the defects of corrugation, bulging, edge warping, displacement and the like, the bonding rate of the coiled material and the base layer is not less than 90 percent, and the area which is not adhered at each position is not more than 0.015 square meter.
Step ten, after the waterproof coiled material is paved, using building sealant to trowel and seal the closed position of the coiled material.
During the description of the above description:
the description of the terms "this embodiment," "an embodiment of the invention," "as shown at … …," "further improved technical solution," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention; in this specification, the schematic representations of the terms used above are not necessarily for the same embodiment or example, and the particular features, structures, materials, or characteristics described, etc., may be combined or brought together in any suitable manner in any one or more embodiments or examples; furthermore, those of ordinary skill in the art may combine or combine features of different embodiments or examples and features of different embodiments or examples described in this specification without undue conflict.
Finally, it should be noted that:
the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same;
although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes and modifications may be made, and equivalents may be substituted for elements thereof without departing from the scope of the embodiments of the present invention.

Claims (8)

1. A deformation joint waterproof construction method is characterized by comprising the following steps:
s1, mounting a buried water stop belt in the middle of the wall;
s2, installing polystyrene boards on two sides of the buried water stop belt;
s3, mounting an externally-attached water stop on the water facing side;
s4, pouring concrete;
s5, brushing a cement-based capillary crystalline waterproof coating;
s6, laying an additional layer of coiled material;
and S7, laying the coiled material.
2. The deformation joint waterproof construction method according to claim 1, wherein the installation method of the buried water stop in the step S2 and the external water stop in the step S3 comprises the following steps: the abutted seam of the buried water stop and the externally-attached water stop adopts lap welding and double-sided full welding.
3. A waterproof construction method for a deformation joint according to claim 1, wherein step S5 includes: the coating is repeatedly coated along one direction for at least two times, the first time enables the slurry to permeate into the base layer, the slurry uniformly covers the base layer, the coating is coated for the second time when the first time is in a hardening state, the second time is carried out along the vertical direction of the first time, the concave-convex part is fully coated during the coating, and the thickness is uniform.
4. A waterproof construction method for a deformation joint according to claim 1, wherein step S7 includes: the long side of the lap joint width between the coiled materials is not less than 100mm, the short side is not less than 120mm, the bonding rate of the coiled materials and the base layer is not less than 90%, and the non-adhesive area of each place is not more than 0.015 square meter.
5. A waterproof construction method for a deformation joint according to claim 1, further comprising the steps of: and sealing the coiled material closing opening by using building sealant.
6. A waterproof construction method for a deformation joint according to claim 1, further comprising the steps of: an expansion strip is arranged beside the polystyrene board on the back water surface.
7. A waterproof construction method for a deformation joint according to claim 1, wherein step S1 is preceded by: and (5) binding reinforcing steel bars at the deformation joints.
8. A waterproof construction method for a deformation joint according to claim 1, further comprising, between steps S4 and S5: and (4) cleaning deformation joints, and leveling the rugged places by using a polishing machine and polymer cement mortar.
CN202110925305.3A 2021-08-12 2021-08-12 Deformation joint waterproof construction method Pending CN113529982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110925305.3A CN113529982A (en) 2021-08-12 2021-08-12 Deformation joint waterproof construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110925305.3A CN113529982A (en) 2021-08-12 2021-08-12 Deformation joint waterproof construction method

Publications (1)

Publication Number Publication Date
CN113529982A true CN113529982A (en) 2021-10-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114737685A (en) * 2022-04-07 2022-07-12 中交一公局集团有限公司 Wall deformation joint waterproof treatment structure and treatment method
CN114960978A (en) * 2022-05-01 2022-08-30 上海宝冶集团有限公司 Waterproof method for concrete abutted seam without reserved embedded structure in reconstruction and extension structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114737685A (en) * 2022-04-07 2022-07-12 中交一公局集团有限公司 Wall deformation joint waterproof treatment structure and treatment method
CN114737685B (en) * 2022-04-07 2022-10-28 中交一公局集团有限公司 Wall deformation joint waterproof treatment structure and treatment method
CN114960978A (en) * 2022-05-01 2022-08-30 上海宝冶集团有限公司 Waterproof method for concrete abutted seam without reserved embedded structure in reconstruction and extension structure

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