SU958591A2 - Method of consolidating soil - Google Patents
Method of consolidating soil Download PDFInfo
- Publication number
- SU958591A2 SU958591A2 SU802995127A SU2995127A SU958591A2 SU 958591 A2 SU958591 A2 SU 958591A2 SU 802995127 A SU802995127 A SU 802995127A SU 2995127 A SU2995127 A SU 2995127A SU 958591 A2 SU958591 A2 SU 958591A2
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- soil
- sodium
- carbonate
- solutions
- solution
- Prior art date
Links
- 239000002689 soil Substances 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 8
- 239000000243 solution Substances 0.000 claims description 18
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 11
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 7
- 239000001110 calcium chloride Substances 0.000 claims description 7
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 239000008239 natural water Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 description 4
- 239000005557 antagonist Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- UCUJUFDOQOJLBE-UHFFFAOYSA-N [Cl].[Ca] Chemical compound [Cl].[Ca] UCUJUFDOQOJLBE-UHFFFAOYSA-N 0.000 description 1
- QGZNMXOKPQPNMY-UHFFFAOYSA-N [Mg].[Cl] Chemical compound [Mg].[Cl] QGZNMXOKPQPNMY-UHFFFAOYSA-N 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- -1 sodium bicarbonate calcium carbonate magnesium carbonate sodium sulfate Chemical compound 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
Landscapes
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Description
(54) СПОСОБ УКРЕПЛЕНИЯГРУНТА(54) METHOD FOR STRENGTHENING A GRUNT
Изобретение относитс к строительству и может быть применено дл укреплени грунтов с целью улучшени их физико-механических показателей. .The invention relates to the construction and can be used to strengthen the soil in order to improve their physico-mechanical properties. .
По основному авт. св.№ 488897 известен способ укреплени грунта водными растворами соле.й путем попеременной обработки грунта природными растворами , при этом грунт обрабатывают сначала гидрокарбонатно-натриевым раствором , а затем хлоркальциевым или хлормагниевым, или грунт обрабатывают сначала сульфатно-натриевым раст-вором , а затем хлоркальциевым 1.According to the main author. St. 488897 A method of strengthening the soil with aqueous solutions of salt is known by alternately treating the soil with natural solutions, while the soil is treated first with a bicarbonate-sodium solution and then with calcium chloride or chlorine magnesium, or the soil is treated first with sodium sulfate and then calcium chloride one.
Недостатками этого способа вл ютс невысокие пористость и водопроницаемость укрепленного грунта, а также низка величина его прочности. Эти недостатки вызваны тем, что во многих природных водных растворах содержание солей-антагонистов невысокое, а некоторые из выпадающих при смешивании растворов в осадок соединени / например гипс, хороию растворимы в воде и могут вымыватьс водой.The disadvantages of this method are the low porosity and water permeability of the fortified soil, as well as the low value of its strength. These drawbacks are caused by the fact that in many natural aqueous solutions the content of antagonist salts is low, and some of the compounds that fall out when the solutions are mixed in the precipitate (for example, gypsum) are soluble in water and can be washed out with water.
Цель изобретени - снижение степени водопроницаемости грунта и повьииениё его прочности.The purpose of the invention is to reduce the degree of water permeability of the soil and its strength.
Поставленна цель достигаетс тем, что согласно способу укреплени грунта в природных водных растворах солей определ ют количественное содержание хлористого кальци и гидрокарбоната натри или карбоната натри , после чего грунт обрабатывают сначала 1040%-ным водным раствором хлористого кальци , а затем бО-9р%-ным водным раствором гидрокарбоната натри или карбоната натри при .соотношении этих растворов: от 3:2 до 9:1.The goal is achieved by determining the quantitative content of calcium chloride and sodium bicarbonate or sodium carbonate according to the method of strengthening the soil in natural aqueous solutions of salts, after which the soil is treated first with a 1040% aqueous solution of calcium chloride and then BO-9%. an aqueous solution of sodium bicarbonate or sodium carbonate in the ratio of these solutions: from 3: 2 to 9: 1.
Предварительное определение количественного содержани в природных солевых растворах хлористого кальци и гидрокарбоната натри позвол ет по15 добрать такие пропорции несовмвстй-t мых природных растворов, чтобы содержание в них солей-антагонистов, например хлористого кальци .и карбона , та натри , находилось в оптимальных Preliminary determination of the quantitative content in natural saline solutions of calcium chloride and sodium bicarbonate allows one to obtain proportions of incompatible natural solutions such that antagonist salts, such as calcium chloride and carbonate, sodium, are in optimal
20 пределах.20 limits.
Механизм , (химизм) укреплени грунта предложенным способом заключаетс в том, что указанные концентрации солей-антагонистов равны стехиометри25 ческим или близким к таковым, что обеспечивает протекание обменной реакции: о ,The mechanism (chemism) of soil consolidation by the proposed method is that the indicated concentrations of antagonist salts are equal to or close to stoichiometric 25, which ensures the exchange reaction: o
+ CaClQ СаСОЗ - 2NaCl. + CaClQ СаСОЗ - 2NaCl.
Образующийс кальцит выпадает в The resulting calcite falls in
30 осадок, закупорива поры в грунте30 sediments clogging the pores in the soil
(понижение пористости и проницаемости ) и пек нтирует рыхлые частицы (по выиение сопротивлени грунтов сдви .гу) .(lowering of porosity and permeability) and pecting friable particles (breaking out the resistance of soils to shear).
В лабораторных услови х дл укреплени песчаного грунта использовали хлор-кальциевый раствор (1) и карбоЫатно-натриевый (2) по предлагаемому решению, а также хлормагнйевый раствор (3) и гидрокарбонатно-натриевыйChlorine-calcium solution (1) and sodium carbonate (2) according to the proposed solution, as well as chlorine solution (3) and sodium bicarbonate solution were used in laboratory conditions to strengthen the sandy soil.
f4) по прототипу.. -f4) prototype .. -
Минерализаци и солева характеристика указанных растворов приведены в табл. 1.Mineralization and salt characteristics of these solutions are given in Table. one.
Указанными выие растворами обраба ,тывают пробы средне-зернистого песка, объемом 0,5 м Количество циклов сме1;1ени 2. в каждой цикле песок доводиНормальна сода Гидрокарбонат натри Карбонат кальци Карбонат магни Сульфат натри The above treatment solutions indicated samples of medium-grained sand, 0.5 m in volume, number of cycles of bleed; 1, 1 2. sand in each cycle is filled with normal soda sodium bicarbonate calcium carbonate magnesium carbonate sodium sulfate
редлагаемый offerable
28,5 28.5
9:1 3 и 4 28,0 3:2 9: 1 3 and 4 28.0 3: 2
прототип) 22,0 3:2 1 и 2 18,0 prototype) 22.0 3: 2 1 and 2 18.0
7:3 17,5 4:1 19,0 9:17: 3 17.5 4: 1 19.0 9: 1
ли МО состо ни полного водонасыщени сначала одним, затем другим,раствором , Введение растворов проиэводили снизу вверх, что обеспечило наиболее благопри тные услови дл их фильтрационного перемешивани .If the MO state is full of water saturation, first with one solution, then with the other, with a solution, the introduction of solutions was performed from bottom to top, which provided the most favorable conditions for their filtration mixing.
Определени пористости обраоотанных песков производили объемным мето-дом , проницаемости - на фильтрационной трубке конструкции Каменского. Сопротивление грунтов сдвигу определ ли на приборе Маслова-Лурье. Все оп- . ределени производили спуст 24 ч после осуществлени второго цикла смонени . Сравнительные результаты механических и фильтрационных испытаний грунта после его обработки растворами приведены в табл. 2,Determination of the porosity of the sands produced was carried out by a volumetric method, permeability - on the filtration tube of the Kamensky design. Soil shear resistance was determined on a Maslov-Lurie instrument. All op- The determinations were made 24 hours after the implementation of the second drilling cycle. Comparative results of mechanical and filtration tests of the soil after its treatment with solutions are given in Table. 2,
20,020.0
СледыTraces
СледыTraces
4,04.0
Таблица 2table 2
0,020.02
0,487 0.487
0,03 0,488 0,581 0.03 0.488 0.581
0,210.21
0,32 0,611 0.32 0.611
0,52 0,670 0.52 0.670
0,16 0,5600.16 0.560
5958591 . 65958591. 6
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802995127A SU958591A2 (en) | 1980-10-17 | 1980-10-17 | Method of consolidating soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802995127A SU958591A2 (en) | 1980-10-17 | 1980-10-17 | Method of consolidating soil |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU488897 Addition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU958591A2 true SU958591A2 (en) | 1982-09-15 |
Family
ID=20922686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU802995127A SU958591A2 (en) | 1980-10-17 | 1980-10-17 | Method of consolidating soil |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU958591A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2592588C1 (en) * | 2015-06-15 | 2016-07-27 | Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук (ИХТТМ СО РАН) | Composition for stabilisation of clay soil and method for creating ground roads using thereof |
| CN116584332A (en) * | 2023-07-13 | 2023-08-15 | 北京建工环境修复股份有限公司 | Planting method of traditional Chinese medicine in sandy land of photovoltaic power station suitable for sandy wind area |
-
1980
- 1980-10-17 SU SU802995127A patent/SU958591A2/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2592588C1 (en) * | 2015-06-15 | 2016-07-27 | Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук (ИХТТМ СО РАН) | Composition for stabilisation of clay soil and method for creating ground roads using thereof |
| CN116584332A (en) * | 2023-07-13 | 2023-08-15 | 北京建工环境修复股份有限公司 | Planting method of traditional Chinese medicine in sandy land of photovoltaic power station suitable for sandy wind area |
| CN116584332B (en) * | 2023-07-13 | 2023-10-27 | 北京建工环境修复股份有限公司 | Planting method of traditional Chinese medicine in sandy land of photovoltaic power station suitable for sandy wind area |
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