Second, prepare for the exam. ?

Third, the construction preparation.

Four, personnel and mechanical equipment configuration and construction arrangement.

(1) staffing.

(2) Configuration table of main construction equipment.

Verb (abbreviation of verb) construction scheme.

(1) Construction preparation.

(2) timetable.

(3) Construction technology and method of coupling beam.

The first branch line of expressway, Hubei has a mileage of K42+907.5 ~ K49+328 and a length of 6.42km. The line passes through Mengqian Town and Nanping Town of Gongan County, Jingzhou City, Hubei Province. There are 1 sensitive points in our branch, which are located on the left side of the tenth line in Jinma Village, more than 80m away from the nearest line, and sound barriers are designed at the sensitive points. The designed sound barrier length of this section of subgrade is 300m, and the mileage on the left side is K46+780 ~ K47+080.

The height of subgrade noise barrier is 3.0 15m, the foundation adopts φ 140 steel pipe pile foundation, the length of steel pipe is 2.8m, the spacing is 2. 1m, and the buried depth is 2.5m. The upper part is poured with connecting beams and columns, and C20 reinforced concrete structure is adopted. Sound-absorbing bricks are laid for connecting beams and columns, and an expansion joint is set every 30m, with a total of 29 channels.