What is the construction scheme of sound barrier?

First, the general situation of the project. ?

ii. compilation basis. ?

third, the construction preparation.

iv. Personnel and mechanical equipment configuration and construction arrangement.

(1) staffing.

(2) Configuration table of main construction equipment.

v. construction scheme.

(1) construction preparation.

(2) schedule.

(3) Construction technology and method of connecting beam.

The first branch of Hubei Expressway has a mileage of K42+97.5 ~ K49+328, with a length of 6.42km. The line passes through Mengxi Town and Nanping Town, Gongan County, Jingzhou City, Hubei Province. Our branch * * * plans a sensitive point, which is located on the left side of the tenth group of lines in Jinma Village, 8 meters away from the nearest line, and a sound barrier is designed at the sensitive point. The designed sound barrier length of this section of subgrade is 3m, and the mileage on the left side is K46+78 ~ K47+8.

the height of subgrade noise barrier is 3.15m, and the foundation part adopts φ14 steel pipe pile foundation, with the length of steel pipes of 2.8m, the spacing of 2.1m and the burial depth of 2.5m.. The upper part is poured with connecting beams and columns, and C2 reinforced concrete structure is adopted. The connecting beams and columns are laid with sound-absorbing bricks, and an expansion joint is set every 3m, with a total of 29 channels.