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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||52/16914 ; 52/742|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 7 인용 특허 : 0|
Prefabricated concrete component to be employed in the construction of walls poured in the ground. It has a sheet (2) of impermeable material that at least partly covers the excavation side (6) of the wall, which is to be left uncovered after the wall has been poured, that has at least one face that forms the excavation-side face of the panel while the other side has projections (3) cast into the concrete (1) that makes up the panel, and that can be attached impermeably to the sheet on an adjacent panel.
A method of constructing an impermeable wall cast in the ground, comprising the steps of digging in the ground a trench having an excavation side and a ground side, positioning in the trench next to each other at least two prefabricated concrete components having each a sheet of impermeable material that covers fully one side of said component, with said sheet positioned on the excavation side of the trench, said sheet having its side opposite to said excavation side comprising projections cast into said concrete component, fixing said components in said...