1、地下延續(xù)墻適用于地下工程的主體結構、支護結構以及復合式襯砌的初期支護。
1, the underground continuous wall is suitable for the main structure of underground engineering, the supporting structure and the initial support of composite lining.

2、地下延續(xù)墻應采用（屋頂）防水混凝土（北京古建材料），膠凝材料用量不應小于400kg/m3，水膠比不得大于0.55，坍落度不得小于180mm。
2, the underground continuous wall should use waterproof concrete, cementitious material consumption should not be less than 400kg/m3, water cement ratio not greater than 0.55, the slump is not less than 180mm.

3、地下延續(xù)墻施工時，混凝土應按每一個單元槽段留置一組抗壓強度試件，每五個單元槽段留置一組抗?jié)B試件。

3, the construction of underground continuous wall, the concrete should be placed in each unit of a group of compressive strength test pieces, each five units of a group of anti permeability test section.

4、疊合式側墻的地下延續(xù)墻與內(nèi)襯結構連接處，應鑿毛并清洗干凈，需要時應作特別（屋頂）防水處理。
4, stacked side wall of the underground continuous wall and lining structure connection, should be cut and clean, if necessary, should be special waterproof treatment.

5、地下延續(xù)墻應根據(jù)工程要求和施工條件削減槽段數(shù)量;地下延續(xù)墻槽段接縫應避開拐角部位。
5, the underground continuous wall should reduce the slot number according to the requirements of the project and construction conditions; underground continuous wall joints should avoid the corner.

6、地下延續(xù)墻如有裂縫、孔洞、露筋等缺陷，應采用聚合物水泥砂漿修補;地下延續(xù)墻槽段接縫如有滲漏，應采用引排或注漿封堵。
6, such as underground continuous wall cracks, holes, reinforcement and other defects, should be used to repair the polymer cement mortar; underground continuous wall joints should be used if there is leakage, drainage or grouting.

7、地下延續(xù)墻分項工程檢驗批的抽樣檢驗數(shù)量（關鍵詞優(yōu)化），應按第延續(xù)墻5個槽段抽查1個槽段，且不得少于3、個槽段。
7, the underground continuous wall sub project inspection batch sampling inspection quantity, should be according to the 5 section of the continuous wall of the 1 slot section, and shall not be less than 3, groove section.