CN114656229A - Mortar material for obtaining undisturbed soil samples in batches and sampling construction method - Google Patents
Mortar material for obtaining undisturbed soil samples in batches and sampling construction method Download PDFInfo
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- CN114656229A CN114656229A CN202210472558.4A CN202210472558A CN114656229A CN 114656229 A CN114656229 A CN 114656229A CN 202210472558 A CN202210472558 A CN 202210472558A CN 114656229 A CN114656229 A CN 114656229A
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- China
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- parts
- mortar material
- mortar
- soil samples
- undisturbed soil
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- 239000000463 material Substances 0.000 title claims abstract description 70
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 65
- 239000002689 soil Substances 0.000 title claims abstract description 64
- 238000005070 sampling Methods 0.000 title claims abstract description 19
- 238000010276 construction Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000004568 cement Substances 0.000 claims abstract description 34
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 12
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 11
- 239000011707 mineral Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 239000011398 Portland cement Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 6
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000000704 physical effect Effects 0.000 abstract description 2
- 238000011160 research Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000003756 stirring Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007580 dry-mixing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/04—Sampling of soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/0021—Mortar
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a mortar material for obtaining undisturbed soil samples in batches and a sampling construction method, and belongs to the technical field of physical property test research of soil bodies in the civil engineering discipline. The mortar material and the sampling construction method for obtaining undisturbed soil samples in batches are convenient to obtain and relatively low in cost. The mortar material is a fluid mixed mortar material at least comprising the following components in parts by weight, wherein the components in parts by weight comprise 30-50 parts of cement, 0-20 parts of mineral admixture, 50-70 parts of fine aggregate, 0.1-0.5 part of water reducing agent, 0-2 parts of hydrophobic material, 0-0.2 part of anti-dispersant and 15-30 parts of water. The construction method comprises the steps of weighing raw materials according to the weight parts, uniformly mixing the raw materials in a dry state, adding a corresponding amount of water, fully mixing to form a liquid mortar material, pouring the mortar material into a groove to be carved with the soil sample, automatically leveling and solidifying to a specified hardness, and finally taking out the soil sample together with a mortar solidified body.
Description
Technical Field
The invention relates to a mortar material, in particular to a mortar material for obtaining undisturbed soil samples in batches, and belongs to the technical field of physical property test research of soil bodies in the civil engineering discipline. The invention also relates to a construction method for sampling in batches by adopting the mortar material.
Background
The soil test is a direct and effective means for finding out the physical and mechanical characteristics of soil layers, and provides important design and calculation parameters for the reasonable utilization and engineering treatment of engineering projects and soil bodies. The sampling of the soil sample and the preparation of the sample are the first work of the test in the geotechnical chamber and the first work of the test in the geotechnical chamber. The sample is the core of the soil test, and the soil sample is the original substance prepared by the sample. The representativeness of soil samples and test samples is the key to ensuring that the geotechnical test has real value. Soil samples used in the geotechnical test are divided into undisturbed soil samples and disturbed soil samples. The preparation of undisturbed soil samples requires the maintenance of the natural structure, the natural water content and the natural density of a soil body, and is a difficult point, a pain point and a key point of sample preparation.
The undisturbed sample of the cohesive soil layer can be prepared by adopting a thin-wall soil sampler, and a mature method is provided. And because the particles lack stickiness, the water content is too high or too low and is easy to scatter, and the structure is lost. The method of freezing, chemical grouting, steel sheet piling and the like is generally adopted abroad to drill underwater undisturbed samples, but the methods are usually very expensive and are not easy to implement. In general, no method for preparing original-state samples of cohesionless soil bodies is available, which is economical, feasible and easy to operate.
In the industrial and civil construction, sulphoaluminate cement or double-rapid cement with higher hydration speed is generally adopted for quick-setting mortar, or lithium carbonate constant-speed setting admixture is adopted to adjust the setting time of common portland cement, the quick sampling method requires that raw materials are easy to obtain and cheap, the price of the quick-setting agent is rapidly increased along with the development of the lithium battery industry, and the cost is rapidly increased; the setting time of the common sulphoaluminate cement is still slow, the work efficiency is influenced, the cost of the double-speed cement is high, the supply manufacturer is limited, and the cement is difficult to obtain quickly and cheaply.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the mortar material is convenient to obtain materials and relatively low in cost, and is used for obtaining undisturbed soil samples in batches. The invention also provides a construction method for sampling in batches by adopting the mortar material.
The technical scheme adopted for solving the technical problems is as follows: a mortar material for obtaining undisturbed soil samples in batches is fluid mixed mortar which at least comprises the following components in parts by weight,
the water-reducing agent comprises, by weight, 30-50 parts of cement, 0-20 parts of mineral admixture, 50-70 parts of fine aggregate, 0.1-0.5 part of water reducing agent, 0-2 parts of hydrophobic material, 0-0.2 part of anti-dispersant and 15-30 parts of water.
Further, the cement is a mixture of ordinary portland cement and sulphoaluminate cement with the strength grade of not less than 42.5, wherein the mass ratio of the ordinary portland cement is 90-50%.
In a preferred mode of the above scheme, the mineral admixture is an active and inert admixture such as mountain flour or fly ash.
Further, the fine aggregate is one or the combination of two of artificial sand and natural sand.
In a preferred mode of the scheme, the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent.
Further, the hydrophobic material is one or a combination of acrylic emulsion, re-dispersible latex powder, organic silicon and a coupling agent.
In a preferred embodiment of the above embodiment, the anti-dispersant is polyacrylamide or sodium polyacrylate.
A construction method for sampling in batches by adopting the mortar material comprises the steps of weighing raw materials in corresponding weight parts according to the components in parts by weight, uniformly mixing and stirring the raw materials in a dry state in an anhydrous state, then adding a corresponding amount of water, fully mixing the raw materials to form a liquid mortar material, pouring the mortar material into a groove to be obtained by soil sample carving, automatically leveling and solidifying the mortar material to a specified hardness, and finally taking out the soil sample together with a mortar solidified body.
Further, before the batch of undisturbed soil samples are obtained to pour mortar materials, at least one template is respectively supported in each carved groove, then pouring is carried out, and the templates are removed before sampling to obtain independent undisturbed soil samples.
The invention has the beneficial effects that: the mortar material comprises 30-50 parts of cement, 0-20 parts of mineral admixture, 50-70 parts of fine aggregate, 0.1-0.5 part of water reducing agent, 0-2 parts of hydrophobic material, 0-0.2 part of anti-dispersing agent and 15-30 parts of water flow state mixed mortar, when original-state soil samples are obtained in batches, raw materials with corresponding weight parts are weighed according to the weight parts, are uniformly dry-mixed in an anhydrous state, then water with corresponding quantity is added and fully mixed to form a liquid mortar material, then the mortar material is poured into grooves needing to be obtained and carved with the soil samples to be automatically leveled and solidified to a specified hardness, and finally the soil samples are taken out together with the solidified mortar body to finish the work of obtaining the original-state soil samples in batches. Therefore, the mortar material adopts the existing conventional cement, then mineral admixture for solving the problem of reducing calorific value, fine aggregate and water reducing agent for solving the problem of fluidity, hydrophobic material for avoiding interference with the water content of the original soil sample and anti-dispersing agent for avoiding influence of mortar diffusion on the composition of the soil sample are added, then dry mixing is carried out, wet mixing is carried out, pouring is carried out at last, and sampling is carried out to finish the sampling work for obtaining the original soil sample in batches.
Detailed Description
In order to solve the technical problems in the prior art, the invention provides the mortar material which is convenient to obtain materials and relatively low in cost and is used for obtaining the undisturbed soil samples in batches, and the construction method for sampling in batches by adopting the mortar material. The mortar material is fluid mixed mortar material at least comprising the following components in parts by weight,
the components in parts by weight include 30-50 parts of cement, 0-20 parts of mineral admixture, 50-70 parts of fine aggregate, 0.1-0.5 part of water reducing agent, 0-2 parts of hydrophobic material, 0-0.2 part of anti-dispersant and 15-30 parts of water. The construction method comprises the steps of weighing raw materials according to the weight parts, uniformly mixing the raw materials in a dry state, adding a corresponding amount of water, fully mixing the raw materials to form a liquid mortar material, pouring the mortar material into a groove to be carved with the soil sample, automatically leveling and solidifying the mortar material to a specified hardness, and taking out the soil sample together with a mortar solidified body. The mortar material comprises 30-50 parts of cement, 0-20 parts of mineral admixture, 50-70 parts of fine aggregate, 0.1-0.5 part of water reducing agent, 0-2 parts of hydrophobic material, 0-0.2 part of anti-dispersing agent and 15-30 parts of water flow state mixed mortar, when original-state soil samples are obtained in batches, raw materials with corresponding weight parts are weighed according to the weight parts, are uniformly dry-mixed in an anhydrous state, then water with corresponding quantity is added and fully mixed to form a liquid mortar material, then the mortar material is poured into grooves needing to be obtained and carved with the soil samples to be automatically leveled and solidified to a specified hardness, and finally the soil samples are taken out together with the solidified mortar body to finish the work of obtaining the original-state soil samples in batches. Therefore, the mortar material adopts the existing conventional cement, then mineral admixture for solving the problem of reducing calorific value, fine aggregate and water reducing agent for solving the problem of fluidity, hydrophobic material for avoiding interference with the water content of the original soil sample and anti-dispersing agent for avoiding influence of mortar diffusion on the composition of the soil sample are added, then dry mixing is carried out, wet mixing is carried out, pouring is carried out at last, and sampling is carried out to finish the sampling work for obtaining the original soil sample in batches.
In the above embodiments, in order to improve the capability of the mortar material described herein in solving the corresponding problems, the mineral admixture described herein is an active and inert admixture such as stone powder or fly ash. The fine aggregate is one or the combination of two of artificial sand and natural sand. The water reducing agent is a polycarboxylic acid high-efficiency water reducing agent. The hydrophobic material is one or a combination of acrylic emulsion, redispersible latex powder, organic silicon and a coupling agent. The anti-dispersant is polyacrylamide or sodium polyacrylate. Meanwhile, in order to solve the problem of setting time of the mortar material, the cement is a mixture of ordinary portland cement and sulphoaluminate cement with the strength grade of not less than 42.5, wherein the mass ratio of the ordinary portland cement is 90-50%.
Correspondingly, in order to independently detect or sample each undisturbed soil sample obtained in batch, before the batch of undisturbed soil samples are used for obtaining the pouring mortar material, at least one template is respectively supported in each carved groove, then pouring is carried out, and the templates are removed before sampling so as to obtain each independent undisturbed soil sample.
In summary, the technical solution provided by the present application also has the following advantages,
1. through the mode of building mortar sash, undisturbed soil samples can be simultaneously obtained in batches;
2. according to different temperatures, the cement composition can be finely adjusted, so that the setting time is controlled, and the sampling efficiency is improved;
3. the special coagulation promoting material is not adopted, so that the cost is reduced;
4. self-leveling, no vibration is needed in the test process, and disturbance to the soil structure is avoided;
5. the surface is hydrophobic after solidification, so that excessive moisture exchange between a mortar solidification body and a soil sample is avoided;
6. high self-polymerization, which can be applied in the presence of water.
Example one
The material composition is as follows: ordinary portland cement: 45 parts of sulphoaluminate cement and 5 parts of sulphoaluminate cement; 50 parts of fine aggregate; 0.3 part of water reducing agent and 15 parts of water. The using method comprises the following steps: and (3) after the cement, the fine aggregate and the water reducing agent are uniformly mixed, adding quantitative water, fully and uniformly stirring, pouring into the groove carved by the obtained pattern, and automatically leveling. Has the advantages that: see table 1.
Example two
The material composition is as follows: ordinary portland cement: 28 parts of sulphoaluminate cement and 12 parts of sulphoaluminate cement; 10 parts of an admixture; 50 parts of fine aggregate; 0.5 part of water reducing agent and 20 parts of water. The using method comprises the following steps: and (3) after the cement, the fine aggregate and the water reducing agent are uniformly mixed, adding quantitative water, fully and uniformly stirring, pouring into the groove carved by the obtained pattern, and automatically leveling. Has the advantages that: see table 1.
EXAMPLE III
The material composition is as follows: ordinary portland cement: 15 parts of sulphoaluminate cement; 10 parts of an admixture; 60 parts of fine aggregate; 0.10 part of water reducing agent and 15 parts of water. The using method comprises the following steps: and (3) after the cement, the fine aggregate and the water reducing agent are uniformly mixed, adding quantitative water, fully and uniformly stirring, pouring into the groove carved by the obtained pattern, and automatically leveling. Has the advantages that: see table 1.
Example four
The material composition is as follows: ordinary portland cement: 40 parts of sulphoaluminate cement and 10 parts of sulphoaluminate cement; 50 parts of fine aggregate; 0.10 part of water reducing agent, 30 parts of water and 1 part of waterproof material. The using method comprises the following steps: and (3) after the cement, the fine aggregate and the water reducing agent are uniformly mixed, adding quantitative water, fully and uniformly stirring, pouring into the groove engraved by the obtained pattern, and automatically leveling. Has the advantages that: see table 1.
EXAMPLE five
The material composition is as follows: ordinary portland cement: 24 parts of sulphoaluminate cement and 6 parts of sulphoaluminate cement; 70 parts of fine aggregate; 0.10 part of water reducing agent and 20 parts of water. The using method comprises the following steps: and (3) after the cement, the fine aggregate and the water reducing agent are uniformly mixed, adding quantitative water, fully and uniformly stirring, pouring into the groove carved by the obtained pattern, and automatically leveling. Has the advantages that: see table 1.
TABLE 1 advantageous effects of the examples
Claims (9)
1. A mortar material for obtaining undisturbed soil sample in batches, its characterized in that: the mortar material is fluid mixed mortar material at least comprising the following components in parts by weight,
the components in parts by weight include 30-50 parts of cement, 0-20 parts of mineral admixture, 50-70 parts of fine aggregate, 0.1-0.5 part of water reducing agent, 0-2 parts of hydrophobic material, 0-0.2 part of anti-dispersant and 15-30 parts of water.
2. The mortar material for mass production of undisturbed soil samples according to claim 1 wherein: the cement is a mixture of ordinary Portland cement and sulphoaluminate cement with the strength grade of not less than 42.5, wherein the mass ratio of the ordinary Portland cement is 90-50%.
3. The mortar material for mass production of undisturbed soil samples according to claim 1 wherein: the mineral admixture is an active and inert admixture such as mountain flour or fly ash.
4. The mortar material for mass production of undisturbed soil samples according to claim 1 wherein: the fine aggregate is one or the combination of two of artificial sand and natural sand.
5. The mortar material for mass production of undisturbed soil samples according to claim 1 wherein: the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent.
6. The mortar material for mass production of undisturbed soil samples as claimed in claim 1 wherein: the hydrophobic material is one or a combination of acrylic emulsion, redispersible latex powder, organic silicon and a coupling agent.
7. The mortar material for mass production of undisturbed soil samples according to claim 1 wherein: the anti-dispersing agent is polyacrylamide or sodium polyacrylate.
8. A construction method for sampling in batches by using the mortar material of claim 1, characterized in that: the construction method comprises the steps of weighing raw materials according to the weight parts, uniformly mixing the raw materials in a dry state, adding a corresponding amount of water, fully mixing the raw materials to form a liquid mortar material, pouring the mortar material into a groove to be carved with the soil sample, automatically leveling and solidifying the mortar material to a specified hardness, and taking out the soil sample together with a mortar solidified body.
9. The construction method according to claim 8, wherein: before the batch of undisturbed soil samples are subjected to mortar pouring, at least one template is respectively supported in each carved groove, then pouring is carried out, and the templates are removed before sampling so as to obtain independent undisturbed soil samples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210472558.4A CN114656229B (en) | 2022-04-29 | 2022-04-29 | Mortar material for obtaining undisturbed soil samples in batches and sampling construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210472558.4A CN114656229B (en) | 2022-04-29 | 2022-04-29 | Mortar material for obtaining undisturbed soil samples in batches and sampling construction method |
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| CN114656229A true CN114656229A (en) | 2022-06-24 |
| CN114656229B CN114656229B (en) | 2023-04-28 |
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| CN202210472558.4A Active CN114656229B (en) | 2022-04-29 | 2022-04-29 | Mortar material for obtaining undisturbed soil samples in batches and sampling construction method |
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| Country | Link |
|---|---|
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020121230A1 (en) * | 2000-10-13 | 2002-09-05 | Pierre Colombet | Cement composition, its use for the production of a self-leveling liquid casting, and a casting thus obtained |
| CN102199024A (en) * | 2011-04-29 | 2011-09-28 | 济南高新区工业废弃物利用研发中心 | Dry-mixed masonry mortar for industrial dust |
| CN109608147A (en) * | 2018-11-27 | 2019-04-12 | 温州市久丰建设有限公司 | A kind of water-proof concrete and ground waterproof construction method |
-
2022
- 2022-04-29 CN CN202210472558.4A patent/CN114656229B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020121230A1 (en) * | 2000-10-13 | 2002-09-05 | Pierre Colombet | Cement composition, its use for the production of a self-leveling liquid casting, and a casting thus obtained |
| CN102199024A (en) * | 2011-04-29 | 2011-09-28 | 济南高新区工业废弃物利用研发中心 | Dry-mixed masonry mortar for industrial dust |
| CN109608147A (en) * | 2018-11-27 | 2019-04-12 | 温州市久丰建设有限公司 | A kind of water-proof concrete and ground waterproof construction method |
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