- Lay mL va thi nghim tinh khang nhiet dm di& tai cac vi tri 1dy mau clAt day bien.
4. Khao sat dia chat lap TKKT tuy6n cap din ng'am vuot bi6n 22kV — 220k
a) 4.1 Do dia chAn Wong phan giai cao
- Khao sat cung cap thong tin phan anh cac lap vat lieu day bi6n trong ph4m vi hanh lang tuyen cap, ket hop voi ket qua tham do DCCT day bien bang :Ong phong trong luc ho4c khoan giup lam rO dieu DCCT day bien de phuc vu de xuat giai phap dao ranh cap va cif& cap.
- Pli4m vi khao sat: trong pliqm vi hanh lang do sau va thanh 14p Ban c16' dia hinh day bien.
b) Tham de) DCCT, ldy mdu va thi
- Can cu ket qua lay mL eh& day giai clop lap NCKT va k6t qua lulan giai do dia ch'an Wong, de xuAt WO sung cac vi tri lay mL dat &I'M day bi6'n bang 'Ong phOng trong luc ho4c gau, np.m. Trung binh 0,5 ± 1km lay 01 mh; chieu sau Ong phOng khOng dual 2,0m cloi vai dat mem yeu, khong duai 1,0m cloi vai cat chat vim., set — a set cuing. Truang hop clop tuyen di qua yang dal() be. mat, khong the lay mL chat day bang long phong trong luc, se sir dung phuong phap khoan de lay mL 161, du kien 11cm bo tri 1 to khoan, chieu sau to khoan qua da khoang 2,0m.
- Cac chi tieu phan tich thi nghim dAtida thuic hien theo yeu c'au cua ky su chuyen nganh xay dung thong qua CNDA va CNKS duo.c xac dinh ro trong Nhiein vu khao sat.
- La'y mau va thi nghim tinh khang nhiet cua dat tai cac vi tri lay mau dAt day trung binh 2km/ 1 thi nghi01.
c) Khao sat tir
Khao sat cung cap thong tin nham xac dinh cac vat lieu kim loaf, cac cap keo neo dau da bo, tau chim, cac khoang the....Ph4m vi khao sat: trong plwm vi hanh lang do sau va thanh lap Ban do dia hinh day bi6n.
d) Lap mat cat dia chdt day bi6n doc tuyen cap
Tren co. soy cac ket qua khao sat dia chdt, dia vat VT phan ngoai khoi, yen be. va khu we diem tiep boy, lap mat cat dia chat day bien doc theo tuyen cap ngam vuot bien duo.c CNTK vqch.
e) Khao sat ngu6'n vat lieu xay Ong dia phuang
DiL tra thuic dia hien trpg cac ngu6'n VLXD dia phuang ding nhu ti6'm Wang nguon VLXD trong khu vtexc du an va \Tang lan can.
Danh gia tong the v6' eh& ltrong, tit Wong va cu ly cac ngu'an VLXD. f) Lap bao cao khao sat dia chAt
IC& qua khao sat dia chat cong trinh thuye't minh, cac phu luc, ban ye, ban tinh, ket qua phan tich thi nghim va cac tai lieu lien quan.