CN113685053A - Construction method of regenerated waterproof layer - Google Patents
Construction method of regenerated waterproof layer Download PDFInfo
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- CN113685053A CN113685053A CN202110971830.9A CN202110971830A CN113685053A CN 113685053 A CN113685053 A CN 113685053A CN 202110971830 A CN202110971830 A CN 202110971830A CN 113685053 A CN113685053 A CN 113685053A
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- E—FIXED CONSTRUCTIONS
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- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0281—Repairing or restoring roofing or roof covering
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- C—CHEMISTRY; METALLURGY
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- C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08L57/02—Copolymers of mineral oil hydrocarbons
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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Abstract
The application relates to the technical field of waterproof construction, and particularly discloses a construction method of a regenerated waterproof layer, which comprises the following steps: s1, determining the water leakage position of the roof and marking; s2, drilling and sampling, determining the depth of the waterproof layer, and determining the drilling depth; s3, taking the water leakage position as the center, punching holes at intervals around the water leakage position, and avoiding the buried object in the roof plate when punching holes; s4, sequentially injecting waterproof materials into the holes, and plugging cork into the full holes after the single holes are filled; s5, when all the holes are filled with waterproof materials, filling the holes with concrete mortar; the waterproof material comprises a resin component and a hardening accelerator, wherein the weight ratio of the resin component to the hardening accelerator is 1 (0.05-0.1); the resin component consists of the following components: 35-45% of petroleum resin; 6-10% of acrylic resin; the balance being deionized water. The construction method can effectively repair the damage of the waterproof layer, and is high in repair efficiency.
Description
Technical Field
The application relates to the technical field of waterproof construction, in particular to a construction method of a regenerated waterproof layer.
Background
Along with the rapid development of economy in China, the process of urbanization is also accelerated continuously, and buildings such as superstores, hospitals, schools, houses and the like are increased day by day. In the building construction process, the roof plate needs to be provided with a waterproof structure layer, so that the waterproof and impervious effects are achieved.
In order to achieve the effect, most of the building roof plates consist of three parts, namely a concrete base layer, a waterproof layer and a concrete structure layer from outside to inside in sequence, and also some of the building roof plates consist of four parts, namely the concrete base layer, a heat insulation layer, the waterproof layer and the concrete structure layer from outside to inside in sequence. Along with the increase of building service life, receive multiple conditions such as temperature, humidity simultaneously, the waterproof layer can age gradually and damaged, leads to the waterproof performance of roof board to descend, when raining, can appear the phenomenon of leaking. In order to restore the waterproof effect of the roof slab, the waterproof layer needs to be repaired, and the repairing mode is mainly to rebuild the waterproof layer. The concrete steps for reconstructing the waterproof layer are as follows: digging the concrete base layer above the water leakage area, directly setting a new waterproof layer on the surface of the original waterproof layer, or resetting the new waterproof layer after removing the original waterproof layer, and pouring concrete on the surface of the waterproof layer to form the concrete base layer again after the setting is finished. When the roof plate is provided with the heat preservation layer, the heat preservation layer also needs to be dug out in advance, and the waterproof layer can be reset.
With respect to the related art in the above, the inventors consider that: in the process of reconstructing the waterproof layer, the concrete base layer needs to be excavated, sometimes, the heat insulation layer and the original waterproof layer even need to be excavated, the operation is complex, the engineering quantity is large, and the waterproof layer repairing efficiency is low.
Disclosure of Invention
In order to improve the repairing efficiency of the waterproof layer, the application provides a construction method of a regenerated waterproof layer.
In a first aspect, the present application provides a construction method for a regenerated waterproof layer, which adopts the following technical scheme:
a construction method of a regenerated waterproof layer comprises the following steps:
s1, determining the water leakage position of the roof and marking;
s2, drilling and sampling, determining the depth of the waterproof layer, and determining the drilling depth;
s3, taking the water leakage position as the center, punching holes at intervals around the water leakage position, and avoiding the buried object in the roof plate when punching holes;
s4, sequentially injecting waterproof materials into the holes, and plugging cork into the full holes after the single holes are filled;
s5, when all the holes are filled with waterproof materials, filling the holes with concrete mortar;
the waterproof material comprises a resin component and a hardening accelerator, wherein the weight ratio of the resin component to the hardening accelerator is 1 (0.05-0.1);
the resin component comprises the following components in percentage by weight:
35-45% of petroleum resin;
6-10% of acrylic resin;
the balance being deionized water.
In the examples of the present application, the hardening accelerator is described by taking the ultra-fine cement as an example, and the petroleum resin is C alone9The petroleum resin is used as an example for illustration, but not limiting other materials that can promote hardening of the resin and the application of the petroleum resin in realizing the technical solution of the present application.
Through adopting above-mentioned technical scheme, when needs are restoreed damaged waterproof layer, need not to rebuild the waterproof layer after digging the concrete foundation is whole, only need to pour into waterproof material's mode into through the drilling and can accomplish the repair, the work load that has significantly reduced, and save the cost, the repair is efficient. The waterproof layer is repaired by the construction method, a new waterproof layer is rebuilt on the basis of the original waterproof layer, and the waterproof layer and the new waterproof layer are combined to form a completely closed brand new waterproof layer, so that the waterproof layer not only has a good waterproof effect, but also improves the mechanical strength of a roof slab layer structure.
The waterproof material that this application adopted is better to concrete structure's adhesive property, does not contain epoxy and polyurethane, does not contain any organic solvent, does not have pungent smell, has better environmental security, and simultaneously, this waterproof material still has better stability, is difficult for taking place phenomenons such as mildenes and rot, and then has prolonged the life of newly-built waterproof layer, has guaranteed the water-proof effects of newly-built waterproof layer.
Preferably, the resin component comprises the following components in percentage by weight:
40% of petroleum resin;
8% of acrylic resin;
the balance being deionized water.
By adopting the technical scheme, the adhesive property of the waterproof material is improved by further optimizing the proportion of the raw materials of the resin components, so that the waterproof material can effectively fill the internal gap between the original waterproof layer and the adjacent structural layer, the waterproof property of the roof plate is further improved, and meanwhile, the mechanical strength of the roof plate can also be improved.
Preferably, in S2, the setting of the perforation depth is: from the surface of the concrete foundation to the bottom of the waterproof layer or from the surface of the concrete foundation to the top of the concrete structure layer.
Through adopting above-mentioned technical scheme, make waterproof material can fully fill in the waterproof layer both sides, effectively fill the damaged of original waterproof layer and the gap between original waterproof layer and the adjacent structural layer, improve the waterproof performance of newly-built waterproof layer, strengthen the joint strength between waterproof layer and the adjacent structural layer simultaneously.
Preferably, in S3, the setting of the punching area at the time of punching is:
along the two sides of the length direction of the water leakage position: the distance from the water leakage position on one side is not less than 3 m;
both sides in the width direction of the water leakage position: the distance from the water leakage position on one side is not less than 5 m.
In the embodiment of the present application, only end point values are taken as an example for explanation, that is, two sides in the length direction, and one side is 3 m; the width direction of the two sides, single side is 5m, but not limit the application of other values in the above range in the implementation of the technical solution of the present application.
By adopting the technical scheme, the repairing effect of the waterproof layer is favorably improved, and the waterproof performance of the newly-built waterproof layer is ensured to the greatest extent.
Preferably, in S3, when punching, the distance between two adjacent holes is set:
recording the hole depth as h and the distance between two adjacent holes as d;
when h is more than or equal to 50mm and less than 100mm, d is more than or equal to 300mm and less than 600 mm;
when h is more than or equal to 100mm and less than 150mm, d is more than or equal to 600mm and less than 1000 mm;
when h is more than or equal to 150mm, d is more than or equal to 1000mm and less than or equal to 2000 mm.
Through adopting above-mentioned technical scheme, the interval between two adjacent holes of control can improve the filling effect of waterproof material at waterproof layer top and bottom, makes waterproof material fully fill to guarantee the waterproof performance of newly-built waterproof layer to the at utmost.
Preferably, in S4, the injection amount of the waterproof material is:
when the roof slab is composed of a concrete base layer, a waterproof layer and a concrete structure layer, the injection amount of the waterproof material is more than 6kg/m2(ii) a When the roof slab is composed of a concrete base layer, a heat-insulating layer, a waterproof layer and a concrete structure layer, the injection amount of the waterproof material is more than 12kg/m2。
Through adopting above-mentioned technical scheme, through the control to waterproof material injection volume, make waterproof material fully fill outside original waterproof layer, effectively fill original waterproof layer crack to the waterproof performance of newly-built waterproof layer is further improved.
Preferably, in S4, the filling means that the waterproof material flows out of the hole when the waterproof material is stopped being filled;
if the liquid does not flow out, the injection amount is insufficient, and the liquid needs to be injected again until the liquid is filled.
Through adopting above-mentioned technical scheme, if do not fill when pouring into waterproof material, probably make this downthehole concrete-based layer and waterproof layer between produce the gap, influence waterproof material's filling effect and the water-proof effects of newly-built waterproof layer, serious probably arouses that waterproof layer inefficacy scheduling problem takes place.
Preferably, in S4, the cork is inserted to a depth of 50 to 200 mm.
Preferably, in S4, the cork is inserted to a depth of 100 mm.
The depth of insertion is the distance from the top surface of the cork to the surface of the concrete substrate.
By adopting the technical scheme, after the single-hole injection is finished, the filled hole is tightly plugged by using the cork stopper, so that the situation that the waterproof material flows out of the filled hole when the waterproof material is injected into other holes in the follow-up process can be reduced.
Preferably, in S4, the waterproof material is injected into the hole one by one in the order of spiral diffusion from the central hole to the peripheral hole.
By adopting the technical scheme, the waterproof material can be fully filled in the gap between the original waterproof layer and the concrete base layer or the concrete structure layer, the gap in the roof plate structure is reduced to the maximum extent, and the waterproof performance of the newly-built waterproof layer is improved.
In summary, the present application has the following beneficial effects:
1. compared with the existing waterproof layer reconstruction method, the method does not need to completely dig out the concrete base layer and reconstruct the waterproof layer, so that the workload is greatly reduced, the cost is saved, and the reconstruction efficiency is high;
2. the waterproof material adopted by the application has good adhesion performance to a concrete structure layer, is beneficial to reducing gaps between the waterproof layer and an adjacent concrete layer and improving the waterproof effect and the mechanical strength, does not contain epoxy resin and polyurethane, does not contain any organic solvent, has no pungent smell, is environment-friendly, has good stability, is not easy to mildew and the like, and prolongs the service life of a newly-built waterproof layer;
3. according to the method, the waterproof effect of the newly-built waterproof layer is further improved by controlling the perforated area, the distance between two adjacent holes and the injection amount.
Drawings
FIG. 1 is a schematic view of the depth of the holes drilled in examples 1 and 5 to 8 of the present application;
FIG. 2 is a schematic view of the injection sequence of step S4 in examples 1 to 6 of the present application;
FIG. 3 is a schematic view of the depth of the perforation in example 2 of the present application;
FIG. 4 is a schematic view showing the depth of the perforation in example 3 of the present application;
FIG. 5 is a schematic view showing the depth of the perforation in example 4 of the present application;
fig. 6 is a schematic view of the injection sequence of step S4 in example 7 of the present application;
fig. 7 is a schematic view of the injection sequence of step S4 in embodiment 8 of the present application.
Reference numerals: 1. a concrete base layer; 2. a heat-insulating layer; 3. a waterproof layer; 4. a concrete structural layer; 5. a cork stopper; 6. concrete mortar; 7. and (4) the position of water leakage.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples.
The raw materials used in the examples of the present application are commercially available, except for the following specific descriptions:
c9 petroleum resin was purchased from Puyang corporation, Puyang, Rake chemical Limited, product number: 14090225, respectively;
the acrylic resin is obtained from Dongguan city Dingxin plastic material Co., Ltd, the product number is: BA 410;
the superfine cement is collected from Zhejiang Sanshi group Special Cement Co Ltd, the product number is: SPC-001;
the concrete mortar is obtained from Beijing Wanji construction and building materials Co., Ltd, and has the following model: WJ, type: the cement mortar is repaired, and the grey-water ratio is 4: 1.
Preparation examples, comparative preparation examples and Performance test
Preparation example
Preparation example 1
The waterproof material comprises the following components in parts by weight shown in Table 1 and is prepared by the following steps:
s1, mixing 35kg of petroleum resin, 6kg of acrylic resin and 58kg of deionized water uniformly at the rotating speed of 3500r/min to obtain a resin component;
s2, mixing 0.05kg of hardening accelerator with the same amount of deionized water, adding 10kg of the resin component obtained in the step S1 after mixing, and uniformly mixing at the rotating speed of 800r/min to obtain the waterproof material.
In this example, the hardening accelerator used was ultra-fine cement.
Preparation example 2
A waterproof material is the same as preparation example 1 except that the use amounts of the petroleum resin, the acrylic resin and the deionized water in step S1 are different, and in this example, the use amount of the petroleum resin is 40kg, the use amount of the acrylic resin is 8kg, and the use amount of the deionized water is 52 kg.
Preparation example 3
A waterproof material is the same as preparation example 1 except that the use amounts of the petroleum resin, the acrylic resin and the deionized water in step S1 are different, and in this example, the use amount of the petroleum resin is 45kg, the use amount of the acrylic resin is 10kg, and the use amount of the deionized water is 45 kg.
Preparation example 4
A waterproof material was produced under the same conditions as in production example 2 except that the amount of the hardening accelerator used in step S2 was changed, and in this example, the amount of the hardening accelerator used was 0.075 kg.
Preparation example 5
A waterproof material was produced under the same conditions as those in production example 2 except that the amount of the hardening accelerator used in step S2 was changed, and in this example, the amount of the hardening accelerator used was 0.01 kg.
Comparative preparation example
Comparative preparation example 1
A waterproof material is the same as preparation example 1 except that the use amounts of the petroleum resin, the acrylic resin and the deionized water in step S1 are different, and in this example, the use amount of the petroleum resin is 30kg, the use amount of the acrylic resin is 5kg, and the use amount of the deionized water is 65 kg.
Comparative preparation example 2
A waterproof material is the same as preparation example 1 except that the use amounts of the petroleum resin, the acrylic resin and the deionized water in step S1 are different, and in this example, the use amount of the petroleum resin is 50kg, the use amount of the acrylic resin is 12kg, and the use amount of the deionized water is 38 kg.
Comparative preparation example 3
A waterproof material was produced under the same conditions as in production example 1 except that the amount of the hardening accelerator used in step S2 was changed, and in this example, the amount of the hardening accelerator used was 0.02 kg.
Comparative preparation example 4
A waterproof material was produced under the same conditions as in production example 1 except that the amount of the hardening accelerator used in step S2 was changed, and in this example, the amount of the hardening accelerator used was 0.15 kg.
Performance test of preparation examples and comparative preparation examples
The waterproof materials prepared in preparation examples 1 to 5 and comparative preparation examples 1 to 4 were used as samples to be tested, and the water impermeability, tensile strength and elongation at break of the samples to be tested were measured according to the method in GB/T23445-2009 Polymer Cement waterproofing paint, and are shown in the following Table 1.
Table 1 results of performance testing
As can be seen from the data in Table 1, the waterproof materials prepared in the preparation examples 1 to 5 of the present application all have good waterproof performance, the waterproof performance can reach 0.38MPa and above, and simultaneously have high tensile strength and elongation at break, wherein the tensile strength can reach 2.6MPa and above, and the elongation at break can reach 284% and above. The water impermeability, tensile strength and elongation at break of the waterproof materials obtained in comparative preparation examples 1 to 4 were reduced to various degrees. Therefore, the prepared waterproof material has better waterproof performance and mechanical strength within the range of the mixture ratio of the raw materials.
Example and Performance detection
Examples
Example 1
A construction method of a regenerative waterproof layer is characterized in that a constructed roof slab consists of a concrete base layer 1, a waterproof layer 3 and a concrete structure layer 4, and the construction method comprises the following steps:
s1, determining and marking the water leakage position 7 of the roof slab;
s2, drilling and sampling, determining the depth of the waterproof layer 3, and determining the drilling depth;
in this embodiment, as shown in fig. 1, the punching depth is: the surface of the concrete base layer 1 reaches the top of the waterproof layer 3;
the hole depth is recorded as h1, and h1 is 80 mm;
s3, punching holes at intervals around the water leakage position 7 by taking the water leakage position 7 as a center, wherein the holes are punched to avoid the buried object in the roof plate, and the buried object refers to cables and the like buried in the roof plate;
wherein, the setting of the punching area is as follows:
along the two sides of the length direction of the water leakage position 7, the distance from one side to the water leakage position 7 is 3 m;
the distance from one side to the water leakage position 7 is 5m along the two sides of the water leakage position 7 in the width direction;
when punching, the setting of two adjacent hole intervals: the distance between two adjacent holes is marked as d1, and d1 is 300 mm;
the injection amount of the waterproof material is 6.2kg/m 2;
s4, sequentially injecting waterproof materials into the holes, and plugging the filled holes with cork stoppers 5 after the single holes are filled;
wherein, the waterproof material is prepared from preparation example 4;
the implantation sequence is shown in fig. 2;
the inserting depth of the cork 5 is 50 mm;
the filling means that when the waterproof material is stopped being injected, the waterproof material flows out of the hole; if the water does not flow out, the injection amount is insufficient, and the water needs to be injected again until the water is filled;
and S5, filling the holes with the concrete mortar 6 when all the holes are filled with the waterproof materials.
Example 2
A regeneration waterproof layer construction method, the roof board of the construction is formed by concrete base 1, waterproof layer 3, concrete structure layer 4, except that the depth of perforation is different from two adjacent holes interval in embodiment 1 of construction method of this embodiment, other conditions are the same, in this embodiment, as shown in figure 3, the depth of perforation is: the depth of the hole from the surface of the concrete base layer 1 to the bottom of the waterproof layer 3 is recorded as h2, and h2 is 100 mm; the distance between two adjacent holes is marked as d2, and d2 is 600 mm.
Example 3
A regeneration waterproof layer construction method, the roof board of the construction is formed by concrete base 1, waterproof layer 3, concrete structure layer 4, except that the depth of perforation is different from two adjacent holes interval in embodiment 1 of construction method of this embodiment, other conditions are the same, in this embodiment, as shown in figure 4, the depth of perforation is: the depth of the hole from the surface of the concrete base layer 1 to the top of the concrete structural layer 4 is recorded as h3, and h3 is 120 mm; the distance between two adjacent holes is marked as d3, and d3 is 800 mm.
Example 4
A regenerated waterproof layer construction method, the roof board constructed is formed by concrete base 1, heat insulation layer 2, waterproof layer 3, concrete structure layer 4, the construction method of this embodiment is different from example 1 except that the hole depth, interval and waterproof material injection amount of two adjacent holes are different, other conditions are the same, in this embodiment, the depth of perforation is as shown in figure 5, the hole depth is marked as h4, h4 is 150 mm; the distance between two adjacent holes is marked as d4, and d4 is 1000 mm; the amount of the waterproof material injected was 12.5kg/m 2.
Example 5
A construction method of a regenerated waterproof layer is characterized in that a constructed roof plate is composed of a concrete base layer 1, a waterproof layer 3 and a concrete structure layer 4, the construction method of the embodiment is the same as that of the embodiment 1 except that the plugging depth of a cork 5 is different, and the plugging depth of the cork 5 in the embodiment is 100 mm.
Example 6
A construction method of a regenerated waterproof layer is characterized in that a constructed roof plate is composed of a concrete base layer 1, a waterproof layer 3 and a concrete structure layer 4, the construction method of the embodiment is the same as that of the embodiment 1 except that the plugging depth of a cork 5 is different, and the plugging depth of the cork 5 in the embodiment is 200 mm.
Example 7
A construction method of a regenerated waterproof layer is provided, a constructed roof plate is composed of a concrete base layer 1, a waterproof layer 3 and a concrete structure layer 4, the construction method of the embodiment is the same as the construction method of the embodiment 1 except that the injection sequence of the step S4 is different, and the injection sequence of the step S4 of the embodiment is shown in figure 6.
Example 8
A construction method of a regenerated waterproof layer is provided, a constructed roof plate is composed of a concrete base layer 1, a waterproof layer 3 and a concrete structure layer 4, the construction method of the embodiment is the same as the construction method of the embodiment 1 except that the injection sequence of the step S4 is different, and the injection sequence of the step S4 of the embodiment is shown in figure 7.
Performance test of examples
And after the construction of the regenerated waterproof layer is finished for 24 hours, performing a water closing test on the roof plate, wherein the water storage time is 72 hours, the water storage depth is 30cm, a water level mark is made after the initial water storage is finished, and then observing whether the water level line is obviously reduced every 12 hours. If the water level line is obviously reduced, detecting whether the downstairs roof leaks, and if the downstairs roof leaks, marking the result as that the waterproof layer has no effective regeneration; if no leakage occurs, supplementing water to the water level line and continuing closing the water; if the water level line does not drop obviously, continuing to close the water until the test is finished, detecting whether the downstairs roof leaks or not, if the downstairs roof does not leak, marking the result as 'effective regeneration of the waterproof layer', and if the downstairs roof leaks, marking the result as 'no effective regeneration of the waterproof layer'. The test results are shown in Table 2 below.
TABLE 2 Water shut-off test results
As can be seen from the data in Table 2, the construction method provided by the application can be used for repairing the original waterproof layer of the roof plate, and no leakage phenomenon exists after a water closing test, so that the construction method provided by the application can be used for effectively repairing the original waterproof layer, and the regenerated waterproof layer formed after repairing has good waterproof performance. Meanwhile, the waterproof layer is repaired in a mode of injecting the waterproof material through the drill hole, so that compared with the existing construction method of rearranging the waterproof layer after excavation, the construction method obviously reduces the workload and improves the working efficiency.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. A construction method of a regenerated waterproof layer is characterized by comprising the following steps:
s1, determining the water leakage position of the roof and marking;
s2, drilling and sampling, determining the depth of the waterproof layer, and determining the drilling depth;
s3, taking the water leakage position as the center, punching holes at intervals around the water leakage position, and avoiding the buried object in the roof plate when punching holes;
s4, sequentially injecting waterproof materials into the holes, and plugging cork into the full holes after the single holes are filled;
s5, when all the holes are filled with waterproof materials, filling the holes with concrete mortar;
the waterproof material comprises a resin component and a hardening accelerator, wherein the weight ratio of the resin component to the hardening accelerator is 1 (0.05-0.1);
the resin component comprises the following components in percentage by weight:
35-45% of petroleum resin;
6-10% of acrylic resin;
the balance being deionized water.
2. The construction method of a regenerated waterproof layer according to claim 1, wherein the resin component is composed of the following components in percentage by weight:
40% of petroleum resin;
8% of acrylic resin;
the balance being deionized water.
3. The method for constructing a regenerated waterproof layer according to claim 1, wherein the step of setting the perforation depth in S2 is: from the surface of the concrete foundation to the bottom of the waterproof layer or from the surface of the concrete foundation to the top of the concrete structure layer.
4. The method for constructing a regenerated waterproof layer according to claim 1, wherein in the step S3, the perforated area is set by:
along the two sides of the length direction of the water leakage position: the distance from the water leakage position on one side is not less than 3 m;
both sides in the width direction of the water leakage position: the distance from the water leakage position on one side is not less than 5 m.
5. The method for constructing a regenerated waterproof layer according to claim 1, wherein in the step S3, when the holes are punched, the distance between two adjacent holes is set as follows:
recording the hole depth as h and the distance between two adjacent holes as d;
when h is more than or equal to 50mm and less than 100mm, d is more than or equal to 300mm and less than 600 mm;
when h is more than or equal to 100mm and less than 150mm, d is more than or equal to 600mm and less than 1000 mm;
when h is more than or equal to 150mm, d is more than or equal to 1000mm and less than or equal to 2000 mm.
6. The method for constructing a regenerated waterproof layer according to claim 1, wherein in S4, the amount of waterproof material injected is:
when the roof slab is composed of a concrete base layer, a waterproof layer and a concrete structure layer, the injection amount of the waterproof material is more than 6kg/m2；
When the roof slab is composed of a concrete base layer, a heat-insulating layer, a waterproof layer and a concrete structure layer, the injection amount of the waterproof material is more than 12kg/m2。
7. The method of claim 1, wherein the step of filling the hole of S4 is a step of stopping filling the hole with the waterproof material, and the waterproof material flows out of the hole;
if the liquid does not flow out, the injection amount is insufficient, and the liquid needs to be injected again until the liquid is filled.
8. The construction method of a regenerated waterproof layer according to claim 1, wherein the plugging depth of the cork in the step S4 is 50 to 200 mm.
9. The construction method of a regenerated waterproof layer according to claim 8, wherein the inserting depth of the cork is 100mm in the S4.
10. The method for constructing a regenerated waterproof layer according to claim 1, wherein in the step S4, the waterproof material is injected into the holes one by one in a sequence of spiral diffusion from the central hole to the peripheral holes.
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Citations (4)
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|---|---|---|---|---|
| CN105527661A (en) * | 2015-12-14 | 2016-04-27 | 王可峰 | Detection and leakage blocking methods of concrete building water leakage |
| CN107448008A (en) * | 2017-09-25 | 2017-12-08 | 韩旭 | A kind of construction technology that Durable Water Repellant is reproduced using minimally invasive method |
| CN109281492A (en) * | 2018-09-30 | 2019-01-29 | 重庆市十八土鑫诚灌浆防水工程有限公司 | A kind of construction repaired for existing waterproof layer slip casting reconstruction |
| CN112608107A (en) * | 2020-12-31 | 2021-04-06 | 苏州佳固士新材料科技有限公司 | Grouting material and preparation method and application thereof |
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2021
- 2021-08-24 CN CN202110971830.9A patent/CN113685053B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527661A (en) * | 2015-12-14 | 2016-04-27 | 王可峰 | Detection and leakage blocking methods of concrete building water leakage |
| CN107448008A (en) * | 2017-09-25 | 2017-12-08 | 韩旭 | A kind of construction technology that Durable Water Repellant is reproduced using minimally invasive method |
| CN109281492A (en) * | 2018-09-30 | 2019-01-29 | 重庆市十八土鑫诚灌浆防水工程有限公司 | A kind of construction repaired for existing waterproof layer slip casting reconstruction |
| CN112608107A (en) * | 2020-12-31 | 2021-04-06 | 苏州佳固士新材料科技有限公司 | Grouting material and preparation method and application thereof |
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