大工10秋《建筑施工》在线作业1（Big work 10 autumn construction work online homework 1）.doc

大工10秋《建筑施工》在线作业1（Big work 10 autumn construction work online homework 1） Austrian Peng work 10 autumn construction online homework 1 First, radio questions (15 questions, 60 points) Score: 0 V 1. in most cases, a slope must be retained for excavation or filling. The slope is called (). A. hydraulic gradient Trench B. C. earthwork slope D. soil nailing wall support The correct answer: C Full Score: 4 points: 0 2. the diameter of the excavated pile can not only meet the requirements of the design capacity, but also consider the requirements of construction operation, so the pile diameter is not appropriate. A. is less than 800mm B. is greater than 800mm C. = 600mm D. = 600mm The correct answer: A Full Score: 4 points: 0 3. shrinkage pile, also called shrinkage pile, bottleneck pile, refers to a part of the pile, the diameter of the pile is reduced, and the shrinkage often appears in (). A. saturated mucky soil B. sand C. silty sand D. heavy silty clay The correct answer: A Full Score: 4 points: 0 4., reinforced concrete precast pile should be in the design strength of concrete () can be hoisted. A. 50% B. 60% C. 70% D. 90% Answer: C score: 4 points score: 5 underground continuous wall construction, when digging to the design elevation of tank cleaning, tank inspection after passing into the catheter is pressed into the water, the bottom mud will continue to dilute the self suction mud to relative density (so far). A. 0.8~1.0 below B. 1.1~1.2 below C. 1.1~1.2 above D. more than 1.3 The correct answer: B Full Score: 4 points: 0 6. () applies to the condition that there is no underground water in the depth of the hole, and the hole is not taken directly when the hole is formed, and the soil is directly taken into the hole. A. slurry retaining wall bored pile B. casing drilling C. bored pile D. explosion expanding hole The correct answer: C Full Score: 4 points: 0 7. jet pump well point equipment precipitation depth up to () m, but its well point tube generally only 25~40