[특허]Process for grouting a curtain with polymer

Zhengzhou U-Trust Infrastructure Rehabilitation Ltd.

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특허 상세정보

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Process for grouting a curtain with polymer

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E02D-005/20
미국특허분류(USC)	405/267; 405/107; 405/116; 405/270
출원번호	US-0721424 (2010-03-10)
등록번호	US-8272811 (2012-09-25)
우선권정보	CN-2009 1 0066335 (2009-11-02); CN-2009 1 0227698 (2009-12-29)
발명자 / 주소	Wang, Fuming Wang, Jianwu Shi, Mingsheng Liu, Wenting Guo, Chengchao Li, Qiang Wang, Xiaoliang
출원인 / 주소	Zhengzhou U-Trust Infrastructure Rehabilitation Ltd.
인용정보	피인용 횟수 : 1 인용 특허 : 13

초록

A process for grouting a super-thin curtain with polymer, includes: forming a series of V-shaped injecting holes by direct pushing method using a special drilling tool along a dam or dike axis spacedly at a predetermined distance; and injecting a two-component polymer composition into each of the holes, wherein the mixed polymer material expends and coagulates under chemical reaction to form a series of super-thin curtain segments, and the curtain segments connect with each other end to end to form a continuous and impermeable polymer curtain.

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1. A process for grouting a curtain, comprising: forming a series of overlapped V-shaped injecting holes along an axis of a dam or a dam spacedly at a predetermined distance; andinjecting a polymer composition into each of the holes, wherein the polymer composition expands and coagulates inside the holes to form a series of V-shaped super thin polymer curtain segments, and the curtain segments connect with each other end to end to form a continuous grouting curtain system, wherein the holes are formed by a direct pushing system using a drilling bit with two wide wings to obtains V-shaped holes, so as to guide the polymer composition to form the curtain segments in a designed manner. 2. The process, as recited in claim 1, wherein each of the holes has a round hole and two wings extending sidewardly from the round hole, and the wings connect with each other end to end to string the holes together, then the V-shaped super thin curtain segments are formed inside the V-shaped injecting holes and the continuous grouting curtain system is constructed. 3. The process, as recited in claim 2, wherein the holes with the two wings form a V-shaped structure which has an opening facing upstream and connects with each other to form a continuous W-shaped structure, so as to strengthen connection between the curtain segments under water pressure of upstream. 4. The process, as recited in claim 3, wherein the two wings have an included angle of 160°-170°, which is adjustable. 5. The process, as recited in claim 4, wherein the distance is designed upon power of the direct pushing system and gel time of the polymer composition to fill the wings before coagulating therein, so as to provide a balance between economy and impermeable effect. 6. The process, as recited in claim 5, wherein the distance is 60-100 cm. 7. The process, as recited in claim 5, wherein grouting the polymer composition comprises: inserting a plastic pipe into the hole; connecting the pipe with an injection device; injecting a mixed material into an entrance of the pipe with predetermined high pressure, wherein under chemical reaction, the mixed material starts to expand and coagulate after flowing from an opening of the pipe into a bottom of the hole; and lifting the pipe with designed speed simultaneously, wherein the mixed material fills the hole from bottom to top, so as to form the V-shaped super thin polymer curtain segment. 8. The process, as recited in claim 7, wherein by repeating the above steps of grouting the polymer composition for the holes one by one, the continuous grouting curtain system, which is impermeable super-thin, is constructed. 9. The process, as recited in claim 4, wherein grouting the polymer composition comprises: inserting a plastic pipe into the hole; connecting the pipe with an injection device; injecting a mixed material into an entrance of the pipe with predetermined high pressure, wherein under chemical reaction, the mixed material starts to expand and coagulate after flowing from an opening of the pipe into a bottom of the hole; and lifting the pipe with designed speed simultaneously, wherein the mixed material fills the hole from bottom to top, so as to form the V-shaped super thin polymer curtain segment. 10. The process, as recited in claim 9, wherein by repeating the above steps of grouting the polymer composition for the holes one by one, the continuous grouting curtain system, which is impermeable super-thin, is constructed. 11. The process, as recited in claim 3, wherein grouting the polymer composition comprises: inserting a plastic pipe into the hole; connecting the pipe with an injection device; injecting a mixed material into an entrance of the pipe with predetermined high pressure, wherein under chemical reaction, the mixed material starts to expand and coagulate after flowing from an opening of the pipe into a bottom of the hole; and lifting the pipe with designed speed simultaneously, wherein the mixed material fills the hole from bottom to top, so as to form the V-shaped super thin polymer curtain segment. 12. The process, as recited in claim 11, wherein by repeating the above steps of grouting the polymer composition for the holes one by one, the continuous grouting curtain system, which is impermeable super-thin, is constructed. 13. The process, as recited in claim 2, wherein the two wings have an included angle of 160°-170°, which is adjustable. 14. The process, as recited in claim 2, wherein the distance is designed upon power of the direct pushing system and gel time of the polymer composition to fill the wings before coagulating therein, so as to provide a balance between economy and impermeable effect. 15. The process, as recited in claim 14, wherein the distance is 60-100 cm. 16. The process, as recited in claim 1, wherein grouting the polymer composition comprises: inserting a plastic pipe into the hole; connecting the pipe with an injection device; injecting a mixed material into an entrance of the pipe with predetermined high pressure, wherein under chemical reaction, the mixed material starts to expand and coagulate after flowing from an opening of the pipe into a bottom of the hole; and lifting the pipe with designed speed simultaneously, wherein the mixed material fills the hole from bottom to top, so as to form the V-shaped super thin polymer curtain segment. 17. The process, as recited in claim 16, wherein by repeating the above steps of grouting the polymer composition for the holes one by one, the continuous grouting curtain system, which is impermeable super-thin, is constructed. 18. A process for grouting a curtain, comprising: forming a series of overlapped V-shaped injecting holes along an axis of a dam or a dam spacedly at a predetermined distance; andinjecting a polymer composition into each of the holes, wherein the polymer composition expands and coagulates inside the holes to form a series of V-shaped super thin polymer curtain segments, and the curtain segments connect with each other end to end to form a continuous grouting curtain system,wherein grouting the polymer composition comprises: inserting a plastic pipe into the hole; connecting the pipe with an injection device; injecting a mixed material into an entrance of the pipe with predetermined high pressure, wherein under chemical reaction, the mixed material starts to expand and coagulate after flowing from an opening of the pipe into a bottom of the hole; and lifting the pipe with designed speed simultaneously, wherein the mixed material fills the hole from bottom to top, so as to form the V-shaped super thin polymer curtain segment,wherein by repeating the above steps of grouting the polymer composition for the holes one by one, the continuous grouting curtain system, which is impermeable super-thin, is constructed.

이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 (1)

Wang, Fuming; Shi, Mingsheng; Zhong, Yanhui; Li, Xiaolong; Wang, Xiaoliang; Zhao, Xianfeng, Polymer grouting method for uplifting ballastless track of high-speed rail.

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Process for grouting a curtain with polymer

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Process for grouting a curtain with polymer

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이 특허에 인용된 특허 (13)

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