Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Self-starting negative pressure drainage system for draining groundwater in slope and construction method thereof
A self-starting negative pressure drainage system for draining groundwater in a slope, includes: a declined borehole, a pipe boot, a permeable pipe and a drain pipe; wherein the declined borehole is divided into a permeable drilling section and a sealed grouting drilling section; wherein the permeable drilling section is on a lower portion of the declined borehole, and the sealed grouting drilling section is on an upper portion of the declined borehole; a water stop ring made of water-expanding rubber is provided between the permeable drilling section and the sealed grouting drilling section; the permeable drilling section comprises the permeable pipe; a top of the permeable pipe contacts the water-expanding rubber; a cavity is formed in the permeable pipe, groundwater is capable of penetrating into the cavity via the permeable pipe; an inlet of the drain pipe passes through the water stop ring made of water-expanding rubber and is inserted into the permeable pipe; a gap between the drain pipe and the drilling wall of the sealed grouting drilling section is filled with the cement mortar. The infiltration of groundwater causes the water pressure in the permeable drilling section to rise, forcing the groundwater from the borehole to naturally flow out of the orifice. After the drainage process is started, siphon acts cause a negative pressure zone formed in the permeable drilling section to force the groundwater in the slope flows quickly to the borehole. The invention is capable of realizing the real-time continuous drainage in the deep portion of the slope, which solves the drainage treatment problem of the large landslide, and ensures a low engineering cost of maintaining the stability of the slope.
Self-starting negative pressure drainage system for draining groundwater in slope and construction method thereof
A self-starting negative pressure drainage system for draining groundwater in a slope, includes: a declined borehole, a pipe boot, a permeable pipe and a drain pipe; wherein the declined borehole is divided into a permeable drilling section and a sealed grouting drilling section; wherein the permeable drilling section is on a lower portion of the declined borehole, and the sealed grouting drilling section is on an upper portion of the declined borehole; a water stop ring made of water-expanding rubber is provided between the permeable drilling section and the sealed grouting drilling section; the permeable drilling section comprises the permeable pipe; a top of the permeable pipe contacts the water-expanding rubber; a cavity is formed in the permeable pipe, groundwater is capable of penetrating into the cavity via the permeable pipe; an inlet of the drain pipe passes through the water stop ring made of water-expanding rubber and is inserted into the permeable pipe; a gap between the drain pipe and the drilling wall of the sealed grouting drilling section is filled with the cement mortar. The infiltration of groundwater causes the water pressure in the permeable drilling section to rise, forcing the groundwater from the borehole to naturally flow out of the orifice. After the drainage process is started, siphon acts cause a negative pressure zone formed in the permeable drilling section to force the groundwater in the slope flows quickly to the borehole. The invention is capable of realizing the real-time continuous drainage in the deep portion of the slope, which solves the drainage treatment problem of the large landslide, and ensures a low engineering cost of maintaining the stability of the slope.
Self-starting negative pressure drainage system for draining groundwater in slope and construction method thereof
SUN HONGYUE (Autor:in) / SHANG YUEQUAN (Autor:in) / FAN YUNHE (Autor:in) / XU HUAN (Autor:in) / SHUAI FEIXIANG (Autor:in) / WANG DONGFEI (Autor:in) / LV CHENGCHENG (Autor:in)
23.05.2019
Patent
Elektronische Ressource
Englisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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