5 ( 206 ) No.5 2010 10 SHANXI SCIENCE & TECHNOLOGY of COMMUNICATIONS Oct. 030006 U416.216 B 1006-3528(2010)05-0001-07 ( 2 400 /t) 6.30( /m 2 cm) ( 4 000 /t) 8.26( /m 2 cm) (SBS 5 300 /t) 9.20( /m 2 cm) ( SBS ) 1 10.56( /m 2 cm) ( 300 /t) 3.6( /m 2 cm) 1 ( 350 /t) 1 ( ) 4.2( /m 2 cm) 15 30 1 1 3 a) 2010 6 ( ( 16 4.35~8 ) ) 1 188.4 /m 2. 2010-08-17; 2010-08-20 1937 1955 1967 1975 1999 2010
2 2010 5 b) 350 /t 3 4 300 /t 3.1 126.0 /m 2 30 cm 6 mm 138.9 /m 2 8 mm 148.9 /m 2. a) c) 172.3 /m 2. b) c) 2 d) 3.2 a) ( 2) P i (100 kn) N s 16 N s = ΣN i ( 100 )16. 10 7 2 56 km 26 b) cm 20 ( 3) 20~30 cm 5 50 2 611 2 /m 2 3 2003 0 8 955 c) 2004 0 28 373 d) 2005 1 125 21 420 1 125 50 58 748 2 611 5 m 10 m 3.3 18 mm 0.489% 20 cm 16 mm 0.258% 30 cm 5 m 5 20 m 3 1~3 m 1 mm 217 km 1/3 4~ 9 3 n i = 1 P i 200 kn 1 65 536 3 300 kn 1 30 4.3 2
2010 5 3 4 5 6 7 6~12 mm 3 300 mm 2 400 mm 12 000 mm. σ b 340 MPa 8 9 4 4 080 /t 2000 14 mm 2009 10 cm 15 cm 60 cm 12 mm 12 mm a) 10 cm 40 cm. b) 8 11~ 13 mm c) 3 5 m 8 mm 2 2 12 mm 10 σ b 550 MPa δ 10 8% N 132 MPa D=3d d) 11 10
4 2010 5 1. 2. 10 d 12 cm 0.4%~0.5% 13 12 mm 1/3 a) 1/2~1/3 2/3 1/3 100 mm 2.5 c) 800 mm. d) 10 5 200 m 60. 1 793 e) 5 633 100~150 mm. 2 200 t 5.2 5.2.1 ( 5 4) 5.1 3 5 10 m N 1 ~N 4 8 m a) 6 mm 3 1. 2. 12 mm 12 8 mm 1.0~2.5 m ( 1 mm 2 /km 0.6% ~0.8%. 0.7% 0.6% b) 250 mm 2006
2010 5 5 3 kg/m 2 b) 13 mm b) 1/3 15 cm c) 10 cm (b) 0.6%~0.7% 20 cm 0.7%. 14 4 /d MPa cm m N 1~N 3 N 4 T<100 100 T<250 4.4 (3.9) 4.4 (3.9) 15 (20) 20 (25) N 5 250 T<1 000 4.4 25 N 6 1 000 T<3 000 4.4 28 N 7 T 3 000 4.4 30 8 5 3 kg/m 2 10 m 1. 3.9 MPa 2.N 5~N 7 6 m. (a) 13 mm 16 mm (c) c) 15 25 1 m 2 4~6 1~2 m 14 5.2.2 15 5.2.2.2 5 a) 5 /d MPa cm mm cm mm cm N 1~N 5 T<1 000 4.4 20 N 6~N 7 T 1 000 4.4 25 16 15.0 13 60 13 10.0 10 30 16 12.5 13 60 13 8.0 10 30 :1. 2. b) 5 m. c) 1 m 2 1 d) 5.2.2.1 22 mm 1 m 1 m a) 5.2.2.3 a) 1/3
6 2010 5 b) 6 mm 3 kg/m 2. 15 /m 2 16 c) 0.7% 1 000 /d 3~5 cm 17 d) 1/2~1/3 1/3 1/3 e) 18 25 10 6 5 5.3 6.1 8.5 km 48% A 4 000 /t DBI 42.5 350 /t 16 17 18 6.2
2010 5 7 10 m 6 mm 61.5 t 8 mm 25 cm 22 600 km 320.7 t. 10 697 km 1 000 km 6.3 2009 6.5 2 200 t 6.5.1 a) b) 3.75 m 4.25 m 6.5.2 c) 16 mm 14 mm 12 mm 4 080 /t 109.3 t. 6.4 32.07 t The Application of Reinforced Welded Mesh to Cement Pavement YU Wen-jing SHEN Jun-min (Key Laboratory of Highway Construction and Maintenance Technique in Loess Area, Shanxi Provincial Research Institute of Communications,Taiyuan,Shanxi 030006,China) Abstract: The paper discussed the advantage and disadvantage of cement pavement and bituminous pavement mainly introduced the simple effective construction technology of cement pavement by reinforced welded mesh for reference. Key words: cement concrete pavement reinforcement welded mesh application