CN107200521A - The preparation method of sand seam geology diaphram wall grooving slurry coat method - Google Patents
The preparation method of sand seam geology diaphram wall grooving slurry coat method Download PDFInfo
- Publication number
- CN107200521A CN107200521A CN201710601130.4A CN201710601130A CN107200521A CN 107200521 A CN107200521 A CN 107200521A CN 201710601130 A CN201710601130 A CN 201710601130A CN 107200521 A CN107200521 A CN 107200521A
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- China
- Prior art keywords
- coat method
- slurry
- slurry coat
- clay
- water
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Classifications
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- 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
- C04B28/001—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 unburned clay
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
Abstract
The present invention relates to Construction Technique of Underground Works field, a kind of preparation method of sand seam geology diaphram wall grooving slurry coat method is proposed, the proportion of the slurry coat method is that 1.2~1.4 g/cm3, viscosity are 23~40s, sand factor<5%, it includes：Step 1, with bentonite：Water is by weight 1：1~3 ratio is mixed in stirred in mud pit after storage fermentation obtain bentonite slurry within 24~48 hours；Step 2, with clay：Water：Soda ash：Barite is 100 by weight：200~250：1~2：1~3 ratio mixing, is uniformly mixing to obtain clay mortar in mud pit；Step 3, bentonite slurry and clay mortar be mixed to prepare to slurry coat method, the ratio of water to material of control slurry coat method is more than 60：40 and less than 70：30, soda ash 0.15%~0.4%, barite 0.15%~0.6% are contained in slurry coat method.Slurry coat method produced by the present invention has higher proportion and viscosity stability, can be wider than 1m to grooving thickness, and groove depth is more than 35m layer of sand, boulder bed, and grooving carries out the preferable retaining wall of quality under matter thicker.
Description
Technical field
The present invention relates to Construction Technique of Underground Works field, particularly a kind of slurry coat method of construction of diaphragm wall.
Background technology
General underground connects more than wall work progress mid-early stage using segmentation grooving, then inserts reinforcing bar the groove section dug is interior
Cage and concrete perfusion, during segmentation grooving, frequently with mud off, to common shaly formation, the retaining wall generally used
The proportion of mud is 1.05~1.2g/cm3, viscosity 16s~25s, and sand factor is<5%.However, being wider than 1m, groove to grooving thickness
It is deep to be more than 35m, layer of sand, boulder bed grooving under matter thicker, it is desirable to which slurry coat method has high specific weight and viscosity stability.
The content of the invention
It is an object of the invention to provide the preparation method of sand seam geology diaphram wall grooving slurry coat method, the shield prepared
Wall mud balance is big, viscosity big, to adapt to 10~30m of sand seam geology, 10~20m of boulder bed geology construction.
To achieve the above object, the present invention uses following technical scheme.
The preparation method of sand seam geology diaphram wall grooving slurry coat method, the proportion of the slurry coat method is 1.2~1.4
G/cm3, viscosity are 23~40s, sand factor<5%, it comprises the following steps.
Step 1, bentonite slurry is prepared, with bentonite：Water is by weight 100：100~300 ratio mixing, in mud
Storage fermentation obtains bentonite slurry in 24~48 hours after being stirred in case.
Step 2, clay mortar is prepared, with clay：Water：Soda ash is 100 by weight：200~250：1~2 ratio is mixed
Close, clay mortar is uniformly mixing to obtain in mud pit；The quality requirement of clay：With clay：The weight ratio of water is 1：2 making
Mud balance is more than 1.2g/cm3, viscosity 18s~20s, sand factor<5%.
Step 3, slurry coat method is prepared, by 100 parts of the bentonite slurry of step 1 and the clay mortar 150~250 of step 2
Part is well mixed to obtain slurry coat method, the ratio of water to material of slurry coat method（Water：Bentonite+clay）Control is more than 60：40 and it is less than
70：30, soda ash 0.15%~0.4% is contained in slurry coat method.
Prioritization scheme：Barite is added in step 2, i.e., with clay：Water：Soda ash：Barite is 100 by weight：200
~250：1~2：1~3 ratio mixing, is uniformly mixing to obtain clay mortar in mud pit；Slurry coat method made from step 3
In also contain barite 0.15%~0.6%.
The present invention has the substantive distinguishing features protruded as follows and marked improvement：
Sand seam geology diaphram wall grooving slurry coat method produced by the present invention has higher proportion and viscosity stability, can be right
Grooving thickness is wider than 1m, and groove depth is more than 35m, and grooving carries out the preferable retaining wall of quality under matter thicker for layer of sand, boulder bed；The present invention
Simple and practical with operating method, raw material sources are sufficient, 5 the features such as with low cost.
Embodiment
The invention will be further described with reference to embodiments.
Embodiment 1
A kind of preparation method of sand seam geology diaphram wall grooving slurry coat method, comprises the following steps.
Step 1, bentonite slurry is prepared
By bentonite and water by weight 1：1 ratio mixing, storage fermentation 24~48 hours after being stirred in mud pit
Obtain bentonite slurry.
Step 2, clay mortar is prepared
With clay：Water：Soda ash：Barite is 100 by weight：200：1：1.5 ratio mixing, stirs in mud pit
Obtain clay mortar；
The quality requirement of clay：With clay：The weight ratio of water is 1：2 make mud balances be more than 1.2g/cm3, viscosity 18s~
20s, sand factor<5%.
Step 3, slurry coat method is prepared
150 parts of the bentonite slurry of step 1 is well mixed with 300 parts of the clay mortar of step 2 and obtains slurry coat method, retaining wall mud
The ratio of water to material of slurry is 61：39, the index of the slurry coat method of the present embodiment is the g/cm3 of proportion 1.35, viscosity 28s, sand factor<5%,
Soda ash 0.2%, barite 0.3%.
Embodiment 2
A kind of preparation method of sand seam geology diaphram wall grooving slurry coat method, comprises the following steps.
Step 1, bentonite slurry is prepared
By bentonite and water by weight 1：1.5 ratio mixing, storage fermentation 24~36 is small after being stirred in mud pit
When obtain bentonite slurry.
Step 2, clay mortar is prepared
With clay：Water：Soda ash：Barite is 100 by weight：250：1：1.3 ratio mixing, stirs in mud pit
Obtain clay mortar, the quality requirement be the same as Example 1 of clay.
Step 3, slurry coat method is prepared
175 parts of the bentonite slurry of step 1 is well mixed with 350 parts of the clay mortar of step 2 and obtains slurry coat method, retaining wall mud
The ratio of water to material of slurry（The ratio between water and bentonite+clay）For 68：32, the index of the slurry coat method of the present embodiment is the g/ of proportion 1.29
Cm3, the s of viscosity 26, sand factor<5%, soda ash 0.2%, barite 0.25%.
Embodiment 3
A kind of preparation method of sand seam geology diaphram wall grooving slurry coat method, comprises the following steps.
Step 1, bentonite slurry is prepared
By bentonite and water by weight 1：2 ratio mixing, storage fermentation 24~48 hours after being stirred in mud pit
Obtain bentonite slurry.
Step 2, clay mortar is prepared
By clay：Water：Soda ash：Barite is 100 by weight：250：2：3 ratio mixing, stirs in mud pit
To clay mortar, the quality requirement be the same as Example 1 of clay.
Step 3, slurry coat method is prepared
180 parts of the bentonite slurry of step 1 is well mixed with 350 parts of the clay mortar of step 2 and obtains slurry coat method, retaining wall mud
The ratio of water to material of slurry is 70：30, the index of the slurry coat method of the present embodiment is proportion 1.24g/cm3, viscosity 23s, sand factor<5%,
Soda ash 0.38%, barite 0.57%.
Embodiment 4
A kind of preparation method of sand seam geology diaphram wall grooving slurry coat method, comprises the following steps.
Step 1, bentonite slurry is prepared
By bentonite and water by weight 1：3 ratio mixing, storage fermentation 24~36 hours after being stirred in mud pit
Obtain bentonite slurry.
Step 2, clay mortar is prepared
By clay：Water：Soda ash：Barite is 100 by weight：200：2：3 ratio mixing, stirs in mud pit
To clay mortar, the quality requirement be the same as Example 1 of clay.
Step 3, slurry coat method is prepared
200 parts of the bentonite slurry of step 1 is well mixed with 300 parts of the clay mortar of step 2 and obtains slurry coat method, retaining wall mud
The ratio of water to material of slurry is 70：30, the index of the slurry coat method of the present embodiment is proportion 1.25g/cm3, viscosity 24s, sand factor<5%,
Soda ash 0.40%, barite 0.60%.
Embodiment 5
A kind of preparation method of sand seam geology diaphram wall grooving slurry coat method, comprises the following steps.
Step 1, bentonite slurry is prepared
By bentonite and water by weight 3：5 ratio mixing, storage fermentation 24~36 hours after being stirred in mud pit
Obtain bentonite slurry.
Step 2, clay mortar is prepared
With clay：Water：Soda ash is 100 by weight：250：2 ratio mixing, is uniformly mixing to obtain clay mud in mud pit
Slurry, the quality requirement be the same as Example 1 of clay.
Step 3, slurry coat method is prepared
200 parts of the bentonite slurry of step 1 is well mixed with 350 parts of the clay mortar of step 2 and obtains slurry coat method, retaining wall mud
The ratio of water to material of slurry is 68：32, the index of the slurry coat method of the present embodiment is proportion 1.28g/cm3, viscosity 25s, sand factor<5%,
Soda ash 0.40%.
The slurry coat method of above the present embodiment 1~5 be successfully used for 10~30m of sand seam geology or boulder bed geology 10~
20m, groove depth reaches 55m construction of diaphragm wall grooving retaining wall, and effect is satisfactory.
Claims (2)
1. the preparation method of sand seam geology diaphram wall grooving slurry coat method, the proportion of the slurry coat method is 1.2~1.4
G/cm3, viscosity are 23~40s, sand factor<5%, it is characterised in that comprise the following steps：
Step 1, bentonite slurry is prepared
With bentonite：Water is by weight 100：100~300 ratio mixing, storage fermentation 24 after being stirred in mud pit
Obtain bentonite slurry within~48 hours；
Step 2, clay mortar is prepared
With clay：Water：Soda ash is 100 by weight：200~250：1~2 ratio mixing, stirs in mud pit
To clay mortar；
The quality requirement of clay：With clay：The weight ratio of water is 1：2 make mud balances be more than 1.2g/cm3, viscosity 18s~
20s, sand factor<5%；
Step 3, slurry coat method is prepared
100 parts of the bentonite slurry of step 1 is well mixed with 150~250 parts of the clay mortar of step 2 and obtains slurry coat method,
The ratio of water to material of slurry coat method is controlled more than 60：40 and less than 70：30, soda ash 0.15%~0.4% is contained in slurry coat method.
2. the preparation method of sand seam geology diaphram wall grooving slurry coat method according to claim 1, it is characterised in that：
In the middle addition barite of step 2, i.e., with clay：Water：Soda ash：Barite is 100 by weight：200~250：1~2：
1~3 ratio mixing, is uniformly mixing to obtain clay mortar in mud pit；It is also brilliant containing weight in slurry coat method made from step 3
Stone 0.15%~0.6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601130.4A CN107200521B (en) | 2017-07-21 | 2017-07-21 | Preparation method of trench digging and wall protecting slurry for sand layer geological underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601130.4A CN107200521B (en) | 2017-07-21 | 2017-07-21 | Preparation method of trench digging and wall protecting slurry for sand layer geological underground continuous wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107200521A true CN107200521A (en) | 2017-09-26 |
| CN107200521B CN107200521B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710601130.4A Active CN107200521B (en) | 2017-07-21 | 2017-07-21 | Preparation method of trench digging and wall protecting slurry for sand layer geological underground continuous wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675510A (en) * | 2020-05-28 | 2020-09-18 | 浙江土工岩土科技有限公司 | Slurry for construction of pebble and boulder strata |
| CN111718699A (en) * | 2019-10-23 | 2020-09-29 | 沈阳工业大学 | Drilling pile-forming wall-protecting slurry for calcareous cemented geological region and preparation method thereof |
| CN111763040A (en) * | 2020-05-28 | 2020-10-13 | 浙江土工岩土科技有限公司 | Slurry for underground diaphragm wall near river and sea |
| CN113045252A (en) * | 2021-03-26 | 2021-06-29 | 中铁十六局集团北京轨道交通工程建设有限公司 | Environment-friendly wall protection slurry for underground continuous wall and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1063790A (en) * | 1975-03-03 | 1979-10-09 | Donald L. Whitfill | Water base drilling mud composition comprising zinc sulfate and an alkaline earth metal oxide or hydroxide |
| CN102226077A (en) * | 2011-04-22 | 2011-10-26 | 吴云 | Construction slurry for rotary pile drilling |
| CN103755318A (en) * | 2014-01-03 | 2014-04-30 | 上海市基础工程集团有限公司 | Underground diaphragm wall grooving wall-protection slurry and method in red sandstone pebble bed |
-
2017
- 2017-07-21 CN CN201710601130.4A patent/CN107200521B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1063790A (en) * | 1975-03-03 | 1979-10-09 | Donald L. Whitfill | Water base drilling mud composition comprising zinc sulfate and an alkaline earth metal oxide or hydroxide |
| CN102226077A (en) * | 2011-04-22 | 2011-10-26 | 吴云 | Construction slurry for rotary pile drilling |
| CN103755318A (en) * | 2014-01-03 | 2014-04-30 | 上海市基础工程集团有限公司 | Underground diaphragm wall grooving wall-protection slurry and method in red sandstone pebble bed |
Non-Patent Citations (3)
| Title |
|---|
| 刘自明: "《桥梁深水基础》", 30 April 2003, 人民交通出版社 * |
| 徐家和: "《建筑施工实例应用手册2》", 31 January 1998, 中国建筑工业出版社 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718699A (en) * | 2019-10-23 | 2020-09-29 | 沈阳工业大学 | Drilling pile-forming wall-protecting slurry for calcareous cemented geological region and preparation method thereof |
| CN111675510A (en) * | 2020-05-28 | 2020-09-18 | 浙江土工岩土科技有限公司 | Slurry for construction of pebble and boulder strata |
| CN111763040A (en) * | 2020-05-28 | 2020-10-13 | 浙江土工岩土科技有限公司 | Slurry for underground diaphragm wall near river and sea |
| CN113045252A (en) * | 2021-03-26 | 2021-06-29 | 中铁十六局集团北京轨道交通工程建设有限公司 | Environment-friendly wall protection slurry for underground continuous wall and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107200521B (en) | 2022-04-26 |
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