Pavement Inspection Report of Longyong Project in Hunan Province
Release time:
2021-07-09
TJ27 Contract Section of Longshan-Yongshun Expressway in Hunan Province
LK 14 000-LK 15 000 Section Pavement Engineering Quality Inspection Report
Overview of 1. works
The TJ27 contract section of Longyong Expressway is a car wash river connection line with starting and ending pile numbers of LK 12 000 ~ LK 19 380.374, with a total length of 7.611km. Among them, LK 14 000-LK 15 000 1km road section adopts the new road construction technology of "bio-enzyme soil solidified subbase, base and multi-element multiple modified roller compacted concrete surface layer"; The pavement structure is designed as 8cm multi-element multiple modified roller compacted cement concrete upper layer 10cm multi-element multiple modified roller compacted cement concrete lower layer 1cm modified permeable seal layer 20cm bio-enzyme soil solidified base layer 18cm bio-enzyme soil solidified base layer 10cm gravel cushion layer.
2. inspection basis
Standard for Quality Inspection and Evaluation of Highway Engineering (JTG F80/1-2001);
Specification for Field Testing of Highway Subgrade and Pavement (JTG E60-2008);
Test Code for Cement and Cement Concrete of Highway Engineering (JTG E30-2005);
Technical Code for Construction of Highway Cement Concrete Pavement (JTG F30-2003);
Design of Pavement Change of LK 14 000-LK 15 000 for Car Washing River Connection Line of Contract Section 27 of Longshan-Yongshun Expressway in Hunan Province (Hunan Provincial Transportation Planning, Survey and Design Institute).
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