阅读说明：本技术 斜井冻结施工工艺以及斜井冻结系统 (Inclined shaft freezing construction process and inclined shaft freezing system ) 是由 王英波 张立刚 李锐志 牛鹏翔 郭永富 陈跃文 杨岩斌 于 2020-07-30 设计创作，主要内容包括：本发明涉及斜井井筒冻结技术领域,提出了斜井冻结施工工艺以及斜井冻结系统,包括明挖和暗挖两种方式,明挖转为暗挖施工时包括步骤如下,划分出明槽段,明槽段内布置若干斜井冻结孔,在明槽段两侧再分别布置若干明槽冻结孔,在明槽段内沿着掘进方向的起始一侧,增设封头冻结孔,在明槽段内沿着掘进方向的终止一侧,增设封尾冻结孔,在明槽段内布置测温孔,明槽段以及新划分的第一冻结段整段投入冻结,冻结壁交圈后,明槽段开挖。通过上述技术方案,解决了现有技术中斜井冻结明挖转暗挖的施工周期长的问题。(The invention relates to the technical field of inclined shaft freezing, and provides an inclined shaft freezing construction process and an inclined shaft freezing system, which comprise an open excavation mode and a subsurface excavation mode. Through the technical scheme, the problem that the construction period of the inclined shaft freezing open excavation-underground excavation in the prior art is long is solved.)

1. The freezing construction process for inclined shaft includes open cut and underground cut and features that the construction process includes the following steps

A: dividing an open trough section (1), wherein the open trough section (1) is positioned in an area which is below the ground surface and close to the ground surface,

b: a plurality of inclined shaft freezing holes (3) are arranged in the open groove section (1),

c: a plurality of open trough freezing holes (4) are respectively arranged on two sides of the inclined shaft freezing hole (3) in the open trough section (1) and used for accelerating the freezing speed of the inclined shaft freezing hole (3) arranged in the open trough section (1),

d: additionally arranging a head freezing hole (5) at the initial side along the tunneling direction in the open trough section (1), wherein the head freezing hole (5) is used for accelerating the freezing speed at the initial side along the tunneling direction,

e: additionally arranging a tail sealing freezing hole (6) on the end side along the tunneling direction in the open trough section (1), wherein the tail sealing freezing hole (6) is used for accelerating the freezing speed of the end side along the tunneling direction,

f: a temperature measuring hole (7) is arranged in the open trough section (1),

g: the freezing pipe is put into the inclined shaft freezing hole (3), the open trough freezing hole (4), the seal head freezing hole (5) and the seal tail freezing hole (6), the temperature measuring pipe is put into the temperature measuring hole (7), the whole open trough section (1) is frozen,

h: and after freezing is finished, excavating the open groove section.

2. The inclined shaft freezing construction process according to claim 1, wherein in step A, the clear trough section (1) is located between the ground surface and the position with the depth of 3m, wherein the depth of 3m is taken as a boundary.

3. The inclined shaft freezing construction process according to claim 2, wherein in step C, the inclined shaft freezing holes (3) in the open trough section (1) are arranged in a plurality of rows, the open trough freezing holes (4) on the same side are also arranged in a row, and the number of the open trough freezing holes (4) is the same as that of the inclined shaft freezing holes (3) in the adjacent row.

4. The inclined shaft freezing construction process according to claim 3, wherein in the steps D and E, 5 rows of the inclined shaft freezing holes (3) are formed, and the seal head freezing holes (5) and the seal tail freezing holes (6) are arranged between the adjacent rows of the inclined shaft freezing holes (3).

5. The inclined shaft freezing construction process according to claim 3, wherein in step F, the temperature measuring holes (7) are positioned at both sides of the inclined shaft freezing hole (3).

6. The inclined shaft freezing construction process according to claim 5, wherein in the step F, the vertical distance between the temperature measuring hole (7) and the straight line where the adjacent row of the open trough freezing holes (4) is located is 1.3 m.

7. The inclined shaft freezing construction process according to claim 1, wherein the depth of the open groove freezing hole (4) exceeds the depth of the inclined shaft freezing hole (3) at the same tunneling depth position.

8. The inclined shaft freezing construction process according to any one of claims 1 to 7, wherein in the step G, seamless pipes with the specification of phi 140 x 5mm are adopted as the freezing pipes and the temperature measuring pipes, and external collars with the specification of phi 152 x 5mm are adopted as the freezing pipes and the temperature measuring pipes.

9. A slant freezing system constructed by using the slant freezing construction process according to claim 1, arranged in the open trough section (1), and comprising a plurality of the slant freezing holes (3), characterized by further comprising

A plurality of open groove freezing holes (4) are respectively arranged at two sides of the inclined shaft freezing hole (3), the open groove freezing holes (4) at the same side are arranged in rows,

the end socket freezing holes (5) are arranged on the initial side of the open slot section (1) along the tunneling direction, the end socket freezing holes (5) are arranged between adjacent rows of the inclined shaft freezing holes (3),

and the tail sealing freezing holes (6) are arranged on one end side of the open trough section (1) along the tunneling direction, and the tail sealing freezing holes (6) are arranged between adjacent rows of the inclined shaft freezing holes (3).