(a) Before foundation pit excavation, the foundation reinforcement shall be inspected, and its strength shall meet the design requirements. A. reinforcement effect B. cement content C. lifting speed D. reinforcement depth problem 2 (4 points) methane gas content above the single-choice landfill must be less than (c). A. 10% B. 15% C.5% 3 questions (4 points) The vertical clear distance between underground gas pipelines and water supply pipes, drainage pipes or other gas pipelines is (c) mm m a.0.5b.0.3c.0.154 questions (4 points A. percentage B. particle content C. grading curve D. fineness modulus 6 questions (4 points) multiple-choice concrete slabs should use medium-coarse sand that is clean, hard, conforms to the prescribed grading and has fineness modulus above (c). A.2.0b.2.51c.2.5d.3.17 (4 points) After the single-choice lining segment comes out of the pipe tail, it should be carried out in time with the ground survey (c) A. Double-liquid grouting B. Compaction grouting C. Grouting behind the wall D. Installing the segment 8 questions (4 points) Single-choice pavement. 20，- 100。 +-200 10 (4 points) Subgrade construction with multiple choice questions should follow the principle of (a) to avoid repeated excavation of roads. A. "underground first, then above ground", "deep first, then shallow" B. "above ground, then above ground" C. "underground first, then above ground" D. "underground, at the same time on the ground" and "deep and shallow at the same time"1topic. Tensile or tensile strength of concrete should not be less than the design strength (B) A. 80 B. 75 C. 70 D. 85 12 (4 points). The survey data of multiple-choice questions are representative data with certain characteristics (A). A. discrete B. related C. comprehensive D. accurate 13 (4 points) before excavation by single freezing method, it is necessary to check (b) to confirm the freezing effect. A. freezing hole B. probe hole C. freezing tube D. temperature measuring hole 14 (4 points). In the multiple-choice questions, the horizontal clear distance between the medium-pressure underground gas pipeline (≤0.4MPa) and the building foundation is (c) m m a.1.0b.1.2c.1.515 (4 points). The medium used for purging the heating pipeline for transporting steam is (b). A. hot water B. steam C. cold water 16 (4 points) if (A B C E) occurs during shield tunneling, analyze the reasons and take measures. A. Collapse in front B. Excessive position deviation C. Thrust exceeding expectations D. Obstacles in front E. Excessive shield rotation angle 17 questions (4 points) Multiple choice questions compared with railway engineering, The rail project of urban rail transit has the following characteristics: (a) the construction space is small; (b) the construction accuracy is high; (c) the progress requirements are high; (d) the rails are different; (4 points) the welding quality acceptance of multiple oil and gas long-distance pipelines is selected; when the pipeline design pressure is less than or equal to 4 MPa, the pipeline weld qualification grade in the following area (a) is Grade III. A. Level 1 B. Level 2 C. Level 3 D. Level 4 19 (4 points) Multiple-choice deep foundation pit monitoring The main monitoring items are (A C E) A. Groundwater level B. Surface settlement C. Elastic modulus of soil D. Supporting axial force E. Pipeline settlement 20 questions (4 points) When backfilling the foundation pit of water supply and drainage structures, the part that is not allowed to backfill frozen soil is (A B A). A. Stiffness B. Center Line C. Elevation D. Appearance E. Manufacturer's 22 questions (4 points) The main features of SMW construction method include (A B D E) A. Good impermeability B. Short construction period C. Low cost D. Wide scope of application E. Small environmental impact 23 questions (4 points) Urban road green space rate with multiple-choice questions should meet the following requirements: (A, B, C) The road green space rate of 50m shall not be less than 25%. D the green rate of roads with red line width greater than 40m shall not be less than 20%. E. The green rate of roads with red line width greater than 30m shall not be less than 10%. 24 questions (4 points) A construction plan should be prepared before the start of the multiple-choice project. The plan shall include the following contents (ABC, D, E) A. Construction procedures and progress statistics B. List of engineering materials C. Use plan of machinery and transport D. Construction technology and safety measures E. Key greening projects of large machinery shall prepare 25 questions of construction organization design (4 points). Multiple long-distance oil and gas pipelines shall be inspected separately (ABC, D). A. crossing the expressway B. crossing the railway C. crossing the second-class and above highways D. crossing (crossing) large and medium-sized rivers.