CN113006159A - Waterproof structure for underground waterproof engineering and construction process thereof - Google Patents
Waterproof structure for underground waterproof engineering and construction process thereof Download PDFInfo
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- CN113006159A CN113006159A CN202110224185.4A CN202110224185A CN113006159A CN 113006159 A CN113006159 A CN 113006159A CN 202110224185 A CN202110224185 A CN 202110224185A CN 113006159 A CN113006159 A CN 113006159A
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0001—Rubbers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2450/00—Gaskets
- E02D2450/10—Membranes
- E02D2450/105—Membranes impermeable
- E02D2450/106—Membranes impermeable for liquids
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a waterproof structure for underground waterproof engineering and a construction process thereof, relates to the technical field of underground waterproof engineering, and aims to solve the problems that when an external force is applied for a long time, a gap between a waterproof coiled material and a building structure is enlarged, a water body is easy to permeate along the enlarged gap, and the waterproof performance of a structural body is greatly reduced. The below of basic unit is provided with the bored concrete pile, and the one end of bored concrete pile runs through the basic unit and extends to the top of basic unit, the top of basic unit is provided with waterproofing membrane, and waterproofing membrane's thickness sets up to mm, the distance sets up to mm between waterproofing membrane and the bored concrete pile, all be provided with water-swelling rubber strip between waterproofing membrane and bored concrete pile and the basic unit, and water-swelling rubber strip and waterproofing membrane, bored concrete pile and the laminating of basic unit homogeneous phase, waterproofing membrane's top is provided with the concrete casting body, waterproofing membrane's upper end is provided with sand grain protection pad.
Description
Technical Field
The invention relates to the technical field of underground waterproof engineering, in particular to a waterproof structure for underground waterproof engineering and a construction process thereof.
Background
Along with the rapid development of urban high-rise buildings, the waterproof performance and the building energy-saving requirements of underground engineering are increasingly improved, the waterproof construction difficulty is correspondingly increased, the underground waterproof engineering refers to an engineering entity for carrying out waterproof design, waterproof construction, maintenance and management and other technical workpieces on buildings such as industrial and civil building underground engineering, protective engineering, tunnels, underground railways and the like, and two waterproof methods of the waterproof layer of the underground engineering coiled material are provided, namely an external waterproof method and an internal waterproof method.
At present, waterproofing membrane laminating among the underground waterproofing engineering sets up, receives the exogenic action for a long time in the use and works as, can lead to the clearance between waterproofing membrane and the building structure to enlarge, and the water permeates along the clearance that enlarges just easily for the waterproof performance greatly reduced of structure can not satisfy the user demand. Therefore, there is a strong need in the market for a waterproof structure for underground waterproofing works and a construction process thereof to solve these problems.
Disclosure of Invention
The invention aims to provide a waterproof structure for underground waterproof engineering and a construction process thereof, and aims to solve the problems that when the waterproof structure is subjected to external force for a long time, the gap between a waterproof coiled material and a building structure is expanded, a water body is easy to permeate along the expanded gap, and the waterproof performance of the structure is greatly reduced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an underground waterproof construction for engineering and construction process thereof, includes the basic unit, the below of basic unit is provided with the bored concrete pile, and the one end of bored concrete pile runs through the basic unit and extends to the top of basic unit, the top of basic unit is provided with waterproofing membrane, and waterproofing membrane's thickness sets up to 12mm, distance sets up to 30mm between waterproofing membrane and the bored concrete pile, waterproofing membrane and the bored concrete pile and the basic unit between all be provided with and meet water inflation rubber strip, and meet water inflation rubber strip and waterproofing membrane, bored concrete pile and the laminating of basic unit homogeneous phase, waterproofing membrane's top is provided with concrete casting body, and concrete casting body and waterproofing membrane solidification structure as an organic whole, waterproofing membrane's upper end is provided with sand grain protection pad, and sand grain protection pad and waterproofing membrane set up structure as an organic whole.
Preferably, be provided with polysulfide caulking paste between bored concrete pile and the basic unit, and polysulfide caulking paste prevent with bored concrete pile and basic unit all laminating be connected.
Preferably, the inside of bored concrete pile is provided with the bored concrete pile reinforcing bar, and the bored concrete pile reinforcing bar is provided with a plurality of, and the one end of bored concrete pile reinforcing bar extends to the inside of concrete placement, bored concrete pile reinforcing bar and bored concrete pile and concrete placement all pour structure as an organic whole, the outside of bored concrete pile reinforcing bar is provided with the reinforcing bar and ties up the body, and the reinforcing bar is tied up the body and is tied up structure as an organic whole with the bored concrete pile reinforcing bar.
Preferably, the upper end of the base layer is provided with a lofting baseline, and the lofting baseline is in line with the ink line.
Preferably, be provided with the slope on the basic unit, and the slope sets up structure as an organic whole with the basic unit, waterproofing membrane is last to be provided with the circular arc bank angle, and the circular arc bank angle is the same with the inclination on slope, the radius size of circular arc bank angle sets up to 60 mm.
Preferably, waterproofing membrane includes first waterproofing membrane and second waterproofing membrane, and first waterproofing membrane and second waterproofing membrane all laminate mutually with the basic unit, be provided with sand glue sealing tape between first waterproofing membrane and the second waterproofing membrane, and sand glue sealing tape is as an organic whole structure with first waterproofing membrane and second waterproofing membrane adhesion respectively.
A construction process of a waterproof structure for underground waterproof engineering comprises the following steps:
step 1: checking by using a 2m guiding rule, wherein the clearance between the guiding rule and the surface of the base layer is less than or equal to 5mm, and the clearance is not more than 1m, and cleaning up sundries such as garbage, pollutants, gravel, mortar blocks and the like accumulated on the base layer;
step 2: firstly, determining the paving position and the paving direction of the waterproof coiled material by using a steel ruler, and lofting by using ink lines and elastic lines;
and step 3: the method comprises the steps that after a waterproof coiled material is lofted according to the terrain and specifications, the overall paving position of the waterproof coiled material is corrected according to a lofted baseline, long sides and short sides of the baseline are lapped and aligned, plane construction is carried out according to the baseline position, a sand grain layer of the waterproof coiled material faces upwards, the position of the waterproof coiled material is carefully adjusted, the paving and lapping size is ensured to be correct, the lap joints of the short sides of two adjacent waterproof coiled materials are staggered, the lapping width is not less than 300mm, the paving of the waterproof coiled material on a slope needs to be from bottom to top, and the paving and pasting sequence cannot be changed randomly;
and 4, step 4: in order to avoid the sliding displacement of the waterproof coiled materials, the waterproof coiled materials are mechanically fixed within 100mm of the edge of the waterproof coiled materials every 300-500 mm during the vertical construction, and the fixed positions are completely covered by the waterproof coiled materials;
and 5: binding the steel bar binding body with the steel bar of the cast-in-place pile, and padding the steel bar of the cast-in-place pile by using a cushion block during binding;
step 6: and (4) inspecting the paved waterproof coiled material, sticking a sand surface self-adhesive tape to the damaged point if the damaged point exists, rolling and compacting to finish the damaged repair, and pouring concrete after the repair is finished.
Preferably, in the step waterproofing membrane's overlap joint divide into vertical overlap joint and horizontal overlap joint, vertical overlap joint operating mode is for tearing open the barrier paper of first waterproofing membrane overlap joint, covers the overlap joint limit with second waterproofing membrane, with the compression roller compaction, ensures that waterproofing membrane overlap joint width is 80mm, horizontal overlap joint operating mode is for tearing the lower surface barrier film of waterproofing membrane overlap joint sticky tape, pastes the minor face overlap joint department at first waterproofing membrane, tears the upper surface barrier film of sticky tape, covers the overlap joint with second waterproofing membrane, can through the roll-in.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the device, through the arrangement of the waterproof coiled material, the water-swelling rubber strip and the polysulfide caulking paste, the polysulfide caulking paste can fill a gap between the cast-in-place pile and the base layer, the waterproof performance of the structure is directly improved through the performance of the polysulfide caulking paste and the waterproof coiled material, the water-swelling rubber strip can be properly swelled when rainwater exists, and a water seepage gap can be blocked, so that the permeation of water is prevented, and the sealing performance of the mechanism is improved. The problem of produce the gap in the use, water infiltration can lead to the waterproof performance of mechanism to descend is solved.
2. The device can determine the paving position and the paving direction of the waterproof coiled material through the setting of the lofting base line, can correct the paving position in time when the waterproof coiled material is paved, ensures that the paving size of the waterproof coiled material is correct, improves the paving accuracy of the waterproof coiled material, and indirectly improves the waterproof effect. The problems that the waterproof coiled material is not provided with corresponding base line guidance when being paved and pasted, the waterproof coiled material is easy to deviate when being paved and pasted, the paving and pasting effect is poor, and the waterproof performance is greatly reduced are solved.
3. The device of the invention increases the structural strength of the structural body through the arrangement of the cast-in-place pile steel bars, thereby improving the use resistance and greatly increasing the structural stability. The problem of inside structural strength not enough, the fracture is damaged to appear in the use is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a waterproof construction drawing of the pile head of the present invention;
FIG. 3 is a schematic view of the present invention for waterproofing a slope;
figure 4 is a schematic of the coil lap joint of the present invention.
In the figure: 1. filling piles; 2. a base layer; 3. polysulfide caulk compound; 4. waterproof coiled materials; 5. a water-swellable rubber strip; 6. pouring concrete; 7. pouring pile steel bars; 8. a reinforcing steel bar bundling body; 9. setting out a base line; 10. a slope; 11. a circular arc slope angle; 12. a sand protection pad; 13. sealing a sand-glue sealing belt; 14. a first waterproof roll; 15. and a second waterproof roll.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an embodiment of the present invention is shown: a waterproof structure for underground waterproof engineering and a construction process thereof comprise a base layer 2, wherein a filling pile 1 is arranged below the base layer 2, one end of the filling pile 1 penetrates through the base layer 2 and extends to the upper side of the base layer 2, a waterproof coiled material 4 is arranged above the base layer 2, the thickness of the waterproof coiled material 4 is set to be 12mm, the waterproof coiled material 4 is made of APF-C waterproof material, the waterproof performance of the waterproof coiled material 4 is improved, the distance between the waterproof coiled material 4 and the filling pile 1 is set to be 30mm, water-swelling rubber strips 5 are arranged between the waterproof coiled material 4 and the filling pile 1 and the base layer 2, the water-swelling rubber strips 5 are attached to the waterproof coiled material 4, the filling pile 1 and the base layer 2, the water-swelling rubber strips 5 can properly swell when rainwater, block gaps, avoid the flowing of water, thereby realizing waterproof, a concrete pouring body 6 is arranged above the waterproof coiled material 4, and concrete casting 6 and waterproofing membrane 4 solidify structure as an organic whole, and the upper end of waterproofing membrane 4 is provided with sand grain protection pad 12, and sand grain protection pad 12 sets up structure as an organic whole with waterproofing membrane 4.
Further, be provided with polysulfide caulking paste 3 between bored concrete pile 1 and base level 2, and polysulfide caulking paste 3 prevent with bored concrete pile 1 and base level 2 all laminating be connected. The gap between the cast-in-place pile 1 and the base layer 2 can be filled through the polysulfide caulk compound 3, so that the connection stability of the cast-in-place pile 1 and the base layer 2 is improved.
Further, bored concrete pile 1's inside is provided with bored concrete pile reinforcing bar 7, bored concrete pile reinforcing bar 7 is provided with a plurality of, and bored concrete pile reinforcing bar 7's one end extends to the inside of concrete placement 6, and bored concrete pile reinforcing bar 7 all pours as an organic whole structure with bored concrete pile 1 and concrete placement 6, and the outside of bored concrete pile reinforcing bar 7 is provided with the reinforcing bar and ties up body 8, and reinforcing bar ties up body 8 and bored concrete pile reinforcing bar 7 and ties up as an organic whole structure. He has increased intensity when overall structure more, and the body 8 is tied up to the reinforcing bar can tie up spacing with many bored concrete pile reinforcing bars 7 to further improve intensity.
Further, the upper end of the base layer 2 is provided with a lofting baseline 9, and the lofting baseline 9 is in line with the ink line. Can guide the shop of waterproofing membrane 4 through laying-out baseline 9 and paste the position, can be at shop convenient regulation waterproofing membrane 4 position of pasting in-process to waterproofing membrane 4 shop pastes the precision has been improved.
Further, be provided with slope 10 on the basic unit 2, and slope 10 sets up structure as an organic whole with basic unit 2, is provided with circular arc bank angle 11 on waterproofing membrane 4, and the inclination of circular arc bank angle 11 and slope 10 is the same, and the radius size of circular arc bank angle 11 sets up to 60 mm. The waterproof roll 4 can be better paved with the base layer 2 with the slope 10 through the arc slope angle 11, so that the requirement can be met by the waterproof effect of the slope 10 properly.
Further, waterproofing membrane 4 includes first waterproofing membrane 14 and second waterproofing membrane 15, and first waterproofing membrane 14 and second waterproofing membrane 15 all laminate mutually with basic unit 2, is provided with sand glue sealing strip 13 between first waterproofing membrane 14 and the second waterproofing membrane 15, and sand glue sealing strip 13 respectively with first waterproofing membrane 14 and 15 adhesion structures as an organic whole of second waterproofing membrane. The second waterproof roll 15 can be lapped with the end edge of the first waterproof roll 14 through the sand glue sealing strip 13, and the paving effect of the waterproof roll 4 is improved.
A construction process of a waterproof structure for underground waterproof engineering comprises the following steps:
step 1: checking by using a 2m guiding rule, wherein the clearance between the guiding rule and the surface of the base layer 2 is less than or equal to 5mm, and the clearance is not more than 1 within the range of 1m, and cleaning up sundries such as garbage, pollutants, gravel, mortar blocks and the like accumulated on the base layer 2;
step 2: firstly, determining the paving position and the paving direction of the waterproof coiled material 4 by using a steel ruler, and lofting by using ink lines and elastic lines;
and step 3: after the waterproof coiled material 4 is lofted according to the terrain and specifications, the overall paving position of the waterproof coiled material 4 is corrected according to a lofted baseline, long and short sides of the baseline are lapped and aligned, plane construction is carried out according to the baseline position, a sand grain layer of the waterproof coiled material 4 faces upwards, the position of the waterproof coiled material 4 is carefully adjusted to ensure that the paving and lapping size is correct, the lapping of the short sides of two adjacent waterproof coiled materials 4 is staggered, the lapping width is not less than 300mm, the paving of the waterproof coiled material 4 at the slope 10 position needs to be from bottom to top, and the paving and pasting sequence cannot be changed randomly;
and 4, step 4: in order to avoid the sliding displacement of the waterproof coiled material 4, the waterproof coiled material 4 is mechanically fixed within 100mm of the edge of the waterproof coiled material 4 at intervals of 300-500 mm during the vertical construction, and the fixed position is completely covered by the waterproof coiled material 4, and a small triangle is cut at the T-shaped overlapping opening of the waterproof coiled material 4 in the middle to ensure the adhesion between the waterproof coiled materials 4;
and 5: binding the steel bar binding body 8 with the cast-in-place pile steel bar 7, and using a cushion block to cushion the cast-in-place pile steel bar 7 during binding;
step 6: and (4) inspecting the paved waterproof coiled material 4, sticking a sand surface self-adhesive tape to the damaged point if the damaged point exists, rolling and compacting to finish the damaged repair, and pouring concrete after the repair is finished.
Further, waterproofing membrane 4's overlap joint divide into vertical overlap joint and horizontal overlap joint in step 3, vertical overlap joint operating mode is the barrier paper of tearing 4 overlap joints of first waterproofing membrane, cover the overlap joint limit with second waterproofing membrane 4, with the compression roller compaction, ensure that waterproofing membrane 4 overlap joint width is 80mm, horizontal overlap joint operating mode is the lower surface barrier film of tearing 4 overlap joint sticky tapes of waterproofing membrane, paste the minor face overlap joint department at first waterproofing membrane 4, tear the upper surface barrier film of sticky tape, cover the overlap joint with second waterproofing membrane 4, can through the roll-in.
The working principle is as follows: during the use, use level 2 terminal surfaces of basic unit of level equipment and with the debris clean up on the basic unit 2, confirm the shop of coiled material with the steel rule and paste position and direction, and play the laying out with the ink line bullet line, rectify the holistic shop of coiled material position with 12mm thick APF-C waterproofing membrane 4 according to the baseline of topography laying out, align according to baseline length minor face overlap joint, carry out the plane construction according to the baseline position, 12 up the sand grain protection pad of coiled material, carefully adjust the coiled material position, it is errorless to ensure to spread the overlap joint size, two adjacent waterproofing membrane minor face overlap joints should stagger, every 300 ~ 500mm carries out mechanical fixation to waterproofing membrane 4 and prevents that the coiled material from sliding displacement. When the slope 10 is paved, the waterproof coiled material 4 needs to be paved from bottom to top, the paving sequence cannot be changed at will, after the coiled material is paved, self-checking is firstly carried out, if a damaged point exists, a sand surface self-adhesive tape is used for being adhered to the damaged point, and rolling compaction and repair are carried out; use the cushion to fill up bored concrete pile reinforcing bar 7 and carry out the ligature, the welding slag drippage that the welding produced causes the damage on waterproofing membrane 4, need adopt sand face self-adhesive tape to repair, can carrying out concrete placement.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a waterproof construction for underground waterproof engineering, includes basic unit (2), its characterized in that: the below of basic unit (2) is provided with bored concrete pile (1), and the one end of bored concrete pile (1) runs through basic unit (2) and extends to the top of basic unit (2), the top of basic unit (2) is provided with waterproofing membrane (4), and the thickness of waterproofing membrane (4) sets up to 12mm, distance setting between waterproofing membrane (4) and bored concrete pile (1) is 30mm, all be provided with between waterproofing membrane (4) and bored concrete pile (1) and basic unit (2) and meet water inflation rubber strip (5), and meet water inflation rubber strip (5) and waterproofing membrane (4), bored concrete pile (1) and basic unit (2) homogeneous phase laminating, the top of waterproofing membrane (4) is provided with concrete pouring body (6), and concrete pouring body (6) and waterproofing membrane (4) solidification structure as an organic whole, the upper end of waterproofing membrane (4) is provided with protection pad (12), and the sand protection pad (12) and the waterproof roll (4) are arranged into an integral structure.
2. The waterproof structure for underground waterproofing works according to claim 1, characterized in that: be provided with polysulfide caulking paste (3) between bored concrete pile (1) and basic unit (2), and polysulfide caulking paste (3) prevent with bored concrete pile (1) and basic unit (2) all laminating be connected.
3. The waterproof structure for underground waterproofing works according to claim 1, characterized in that: the inside of bored concrete pile (1) is provided with bored concrete pile reinforcing bar (7), and bored concrete pile reinforcing bar (7) are provided with a plurality of, and the one end of bored concrete pile reinforcing bar (7) extends to the inside of concrete placement body (6), bored concrete pile reinforcing bar (7) all pours as an organic whole structure with bored concrete pile (1) and concrete placement body (6), the outside of bored concrete pile reinforcing bar (7) is provided with reinforcing bar tying up body (8), and reinforcing bar tying up body (8) and bored concrete pile reinforcing bar (7) and tie up as an organic whole structure.
4. The waterproof structure for underground waterproofing works according to claim 1, characterized in that: the upper end of basic unit (2) is provided with lofting baseline (9), and lofting baseline (9) and adoption ink line bullet line.
5. The waterproof structure for underground waterproofing works according to claim 1, characterized in that: be provided with slope (10) on basic unit (2), and slope (10) and basic unit (2) set up structure as an organic whole, be provided with circular arc bank angle (11) on waterproofing membrane (4), and circular arc bank angle (11) are the same with the inclination of slope (10), the radius size of circular arc bank angle (11) sets up to 60 mm.
6. The waterproof structure for underground waterproofing works according to claim 1, characterized in that: waterproofing membrane (4) include first waterproofing membrane (14) and second waterproofing membrane (15), and first waterproofing membrane (14) and second waterproofing membrane (15) all laminate mutually with basic unit (2), be provided with sand glue sealing strip (13) between first waterproofing membrane (14) and second waterproofing membrane (15), and sand glue sealing strip (13) respectively with first waterproofing membrane (14) and second waterproofing membrane (15) adhesion structure as an organic whole.
7. A construction process of a waterproof structure for an underground waterproof project, which is realized based on any one of claims 1 to 6, and is characterized by comprising the following steps:
step 1: checking by using a 2m guiding rule, wherein the clearance between the guiding rule and the surface of the base layer (2) is less than or equal to 5mm, and the clearance is not more than 1 within the range of 1m, and cleaning up sundries such as garbage, pollutants, gravel, mortar blocks and the like accumulated on the base layer (2);
step 2: firstly, determining the paving position and the paving direction of the waterproof coiled material (4) by using a steel ruler, and lofting by using ink lines and elastic lines;
and step 3: the waterproof roll material (4) is lofted according to the terrain and specification, the overall paving position of the waterproof roll material (4) is corrected according to a lofted baseline, the long and short sides of the baseline are lapped and aligned, plane construction is carried out according to the baseline position, the sand grain layer of the waterproof roll material (4) faces upwards, the position of the waterproof roll material (4) is carefully adjusted, the paving and lapping size is ensured to be correct, the lapping of the short sides of two adjacent waterproof roll materials (4) is staggered, the lapping width is not less than 300mm, the paving and the lapping of the waterproof roll material (4) at a slope (10) need to be from bottom to top, and the paving sequence cannot be changed at will;
and 4, step 4: in order to avoid the sliding displacement of the waterproof coiled materials (4), the waterproof coiled materials (4) are mechanically fixed within 100mm of the edge of the waterproof coiled materials (4) at intervals of 300-500 mm during vertical construction, the fixed positions are completely covered by the waterproof coiled materials (4), and a small triangle is cut at the T-shaped overlapping opening of the waterproof coiled materials (4) in the middle to ensure the adhesion between the waterproof coiled materials (4);
and 5: binding the steel bar binding body (8) with the cast-in-place pile steel bar (7), and using a cushion block to cushion the cast-in-place pile steel bar (7) during binding;
step 6: and (3) inspecting the paved waterproof coiled material (4), sticking a sand surface self-adhesive tape to a damaged point if the damaged point exists, rolling and compacting to finish damaged repair, and pouring concrete after the repair is finished.
8. The construction process of the waterproof structure for the underground waterproof engineering according to claim 7, characterized in that: step 3 the overlap joint of waterproofing membrane (4) divide into vertical overlap joint and horizontal overlap joint, vertical overlap joint operating mode is for tearing open the barrier paper of a waterproofing membrane (4) overlap joint department, covers the overlap joint limit with a second waterproofing membrane (4), with the compression roller compaction, ensures that waterproofing membrane (4) overlap joint width is 80mm, horizontal overlap joint operating mode is for tearing the lower surface barrier film of waterproofing membrane (4) overlap joint sticky tape, pastes the minor face overlap joint department at a waterproofing membrane (4), tears the upper surface barrier film of sticky tape off, covers the overlap joint with a second waterproofing membrane (4), can through the roll-in.
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| 全国造价工程师培训教材编写委员会组编: "《建设工程计量与计价实务（土木建筑工程）》", 31 July 2019 * |
| 张吉人: "《建筑结构设计施工质量控制》", 30 September 2006 * |
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Application publication date: 20210622 |