Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
STRUCTURE OF BOTTOM BOARD WATER SHIELDING AND CONSTRUCTION METHOD FOR WATER SHIELDING
PROBLEM TO BE SOLVED: To provide a structure of bottom board water shielding and a water shielding method which are, when repairing a water shielding sheet, capable of preventing damage of a water shielding sheet caused by excessive excavation by grasping an excavation depth and associated with no influence to water-collecting performance of water collecting pipes.SOLUTION: A concrete board 11 with crack preventing reinforcing-bars embedded is installed on natural ground 13 as a bottom surface base layer to adjust the unevenness of the natural ground 13. Further, a soil water shielding layer 9 is installed on the top face of the concrete board 11. When the soil water shielding layer 9 is compacted by rolling, reaction is secured from the concrete board 11. Next, a water shielding sheet 7 is laid above the soil water shielding layer 9 to install protective soil 5 above the water shielding sheet 7. Afterwards, a stable treatment soil layer 3 is formed by improving the surface layer of the protective soil 5 with cement, and a catchment pipe 15 sheathed with a clad material 16 is installed on the stable treatment soil layer 3.SELECTED DRAWING: Figure 1
【課題】遮水シートの補修の際に掘削深度を把握して過剰な掘削による遮水シートの破損を防止でき、集水管の集水性能への影響がない底盤遮水工の構造および底盤遮水工の構築方法を提供すること。【解決手段】地山１３上に、ひび割れ防止鉄筋が埋設されたコンクリート盤１１を底面基盤層として設置し、地山１３の不陸を調整する。そして、コンクリート盤１１の上面に土質遮水層９を設置する。土質遮水層９を転圧する際には、コンクリート盤１１から反力を確保する。次に、土質遮水層９の上方に遮水シート７を敷設し、遮水シート７の上方に保護土５を設置する。その後、保護土５の表層をセメント改良することにより安定処理土層３を形成し、安定処理土層３の上面に、被覆材１６に被覆された集水管１５を設置する。【選択図】図１
STRUCTURE OF BOTTOM BOARD WATER SHIELDING AND CONSTRUCTION METHOD FOR WATER SHIELDING
PROBLEM TO BE SOLVED: To provide a structure of bottom board water shielding and a water shielding method which are, when repairing a water shielding sheet, capable of preventing damage of a water shielding sheet caused by excessive excavation by grasping an excavation depth and associated with no influence to water-collecting performance of water collecting pipes.SOLUTION: A concrete board 11 with crack preventing reinforcing-bars embedded is installed on natural ground 13 as a bottom surface base layer to adjust the unevenness of the natural ground 13. Further, a soil water shielding layer 9 is installed on the top face of the concrete board 11. When the soil water shielding layer 9 is compacted by rolling, reaction is secured from the concrete board 11. Next, a water shielding sheet 7 is laid above the soil water shielding layer 9 to install protective soil 5 above the water shielding sheet 7. Afterwards, a stable treatment soil layer 3 is formed by improving the surface layer of the protective soil 5 with cement, and a catchment pipe 15 sheathed with a clad material 16 is installed on the stable treatment soil layer 3.SELECTED DRAWING: Figure 1
【課題】遮水シートの補修の際に掘削深度を把握して過剰な掘削による遮水シートの破損を防止でき、集水管の集水性能への影響がない底盤遮水工の構造および底盤遮水工の構築方法を提供すること。【解決手段】地山１３上に、ひび割れ防止鉄筋が埋設されたコンクリート盤１１を底面基盤層として設置し、地山１３の不陸を調整する。そして、コンクリート盤１１の上面に土質遮水層９を設置する。土質遮水層９を転圧する際には、コンクリート盤１１から反力を確保する。次に、土質遮水層９の上方に遮水シート７を敷設し、遮水シート７の上方に保護土５を設置する。その後、保護土５の表層をセメント改良することにより安定処理土層３を形成し、安定処理土層３の上面に、被覆材１６に被覆された集水管１５を設置する。【選択図】図１
STRUCTURE OF BOTTOM BOARD WATER SHIELDING AND CONSTRUCTION METHOD FOR WATER SHIELDING
底盤遮水工の構造および底盤遮水工の構築方法
OZAWA KAZUYOSHI (Autor:in) / KATO MASAHIKO (Autor:in) / ISHIDA TAKAAKI (Autor:in) / MATSUMOTO YOSHIHIRO (Autor:in) / TSUJIMOTO HIROSHI (Autor:in) / MASAOKA YUICHI (Autor:in) / WAKABAYASHI HIDEKI (Autor:in) / KODAMA TOSHINORI (Autor:in) / MAEDA MUNEHIRO (Autor:in) / OYAMA NORIO (Autor:in)
02.02.2017
Patent
Elektronische Ressource
Japanisch
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