【摘要】 深基坑逐层开挖，逐层在边坡以较密排列打入土钉钢筋，强化坑边坡土体的受力，并在坡面上设钢筋网，分层喷射混凝土，这就是深基坑支护中的土钉支护方法。这种方法与锚杆支护、加筋土比较，具有特有的优点。更多还原

【Abstract】 When the foundation pit is excavated layer by layer,intensively arranged steel bars are driven into the side slope in each leyer as soil nails,and steel meshes are covered on the slope surface ,then grouting concrete in layers.This is so called the soil nail method of anchorage.This method is more superior than achorage method or reinforced soil method.更多还原