ELSEVIER GEO-ENGINEERING BOOK SERIES VOLUME 5 Part 2 pps

... typical value (60%) Maximum value (30%) Weighted average RQD 25 65 85 67 J n 12 9 – 9. 42 J r 1 .5 3 4 2. 05 J a 421 1.9 J w 0.66 1 1 0.966 SRF 7 .5 5 2 .5 4 .5 observed parameter, i.e., 10% poorest, 60% most ... undulating 3.0 76 ◦ 72 ◦ 56 ◦ 45 ◦ 37 ◦ C. Smooth, undulating 2. 0 69 ◦ 63 ◦ 45 ◦ 34 ◦ 27 ◦ D. Slickensided, undulating 1 .5 63 ◦ 56 ◦ 37 ◦ 27 ◦ 21 ◦...

Ngày tải lên: 08/08/2014, 13:21

... (JRC) Amplitude (a) Length (L) a 2 a 1 Length of Profile, m Amplitude of Asperities, mm 20 16 12 10 8 6 5 4 3 2 1 0 .5 0.1 0 .2 0.3 0 .5 1.0 2 3 5 10 20 30 50 100 20 0 300 0.1 0 .2 0.3 0 .5 1.0 2 3 51 0 Fig. 7 .2 Assessment ... equation (6.10) (MPa) (1) (2) (3) 0 .5 2. 7 0.86 1 2. 2 0.7 2 1 .5 0.4 75 3 1 .2 0.38 4 1.0 0.317 5 0.8 0. 25 0 123 456 0 .2...

Ngày tải lên: 08/08/2014, 13:21

... (surface) 25 30 55 0. 45 Elevated (super structure) 100 30 130 0. 75 Long span bridge 25 0 30 28 0 0.90 Cut and cover 100 to 20 0 40 140 to 24 0 0.70 to 0.80 Tunnelled 150 to 50 0 50 20 0 to 55 0 0. 75 to 0.90 Tunnelling ... Favorable ground 50 –60 m/month 20 0–700 m/month 350 –800 m/month 150 –300 m/month 50 0– 150 0 m/month Unfavorable ground 7–10 m/month 50 –60m/month 75 15...

Ngày tải lên: 08/08/2014, 13:21

... extensometer 23 3 14.8 Case histories 23 4 14.9 Layout of a typical test section 23 8 References 23 9 15 Tunnelling machines 24 1 15. 1 General 24 1 15. 2 System’s mis-match 24 1 15. 3 Tunnel jumbo 24 2 15. 4 Muck ... or schistose 90–99 0–0.5B Same as Table 3 .2 III. Massive moderately jointed 85 95 0–0 .25 B Same as Table 3 .2 IV. Moderately blocky and seamy 75 85 0 .25...

Ngày tải lên: 08/08/2014, 13:21

... <1 .5 0. 05 1 .5 2 m 20 –30 mm 2 40–10 15 23 >10 0. 05 1 .5 2 m ≤ 2, 3 b 40–10 15 23 >10 0. 05 1 .5 2 m 50 –100 mm 2, 3 c 40–10 9– 15 0. 05 1 .5 2 m ≤ 2, 4 b 40–10 15 40 >10 0. 05 1 .5 2 m ≤ 2, 3 ,5 b 40–10 ... 2 10–4 20 29 0.10 1 2 m 100– 150 mm 2, 3 ,5 c 10–4 12 20 0.10 1–1 .5 m 50 –100 mm 2, 3 c 10–4 35 52 0.10 1 2 m 20 0– 25 0 mm 2, 6,7,13 c 1...

Ngày tải lên: 08/08/2014, 13:21

... good quality rock mass 4,1 4 ,2 4,3 4,4 4 ,5 4,6 5, 1 5, 2 5, 3 5, 4 5, 5 5, 6 6,1 6 ,2 6,3 6,4 6 ,5 6,6 Larger caverns may be created in better quality rock masses Fig. 13.2a Interaction of rock parameters ... propagation Caverns at depth may induce less disconti- nuities movement τ δ 2, 1 2, 2 2, 3 2, 4 2 ,5 2, 6 1,1 1 ,2 1,3 1,4 1 ,5 1,6 3,1 3 ,2 3,3 3,4 3 ,5 3,6 La...

Ngày tải lên: 08/08/2014, 13:21

... noise 13. 122 23– 122 67 1100 42 75 422 12 .57 .54 5 29 .7 59 .4 37.0 108.7 1.6 0 .55 Heavy burst Mod. slabbing with noise 14. 122 73– 123 22 1090 50 70 433 12 .57 .0 45 29 .4 58 .9 36 .2 107 .2 1.6 0 .55 Heavy burst ... T5 T6 T7 UCS MPa 127 127 127 127 127 127 127 Rating 12 12 12 12 12 12 12 RQD% 929 59 5989898 95 Rating 20 20 20 20 20 20 20 Spacing of disc. De...

Ngày tải lên: 08/08/2014, 13:21

... quality designation (RQD) 60–100 % 25 60 % < 25 % 5. (a) Joint formation Moderately jointed to massive Closely jointed Very closely jointed (b) Joint spacing >0.2m 0. 05 0 .2 m <0.05m 6.(a) Joint orientation ... 28 .3. Wedge Sleeve Bolt Fig. 28 .7 Wedge and sleeve bolt. Integrated method of tunnelling 407 25 mm 0.45mm 0 .53 mm 28 mm 0 .50 mm Fig. 28 .2 Typical fibers used in...

Ngày tải lên: 08/08/2014, 13:21

... 3 620 328 0 29 90 5 ′′ × 5 ′′ Stanchion 13 .5 – 57 60 51 80 4690 427 0 5 ′′ × 5 ′′ Stanchion 16.0 4.68 6 920 622 0 56 30 51 30 5 ′′ × 5 ′′ H 18.9 5. 54 7860 7060 6390 58 20 6 ′′ I 12 .5 3.67 55 90 50 30 454 0 ... 83.4 70 .2 6 1300 2. 0 60 45 4.8 23 .8 35. 1 108.0 83.4 70 .2 7 1300 1.8 55 45 4.8 23 .1 35. 1 107.3 80 .5 70 .2 8 1300 3.3 50 45 4.8 28 .0 35....

Ngày tải lên: 08/08/2014, 13:21

... (infin. and 1 sg.), hais (2 and 3 sg. and pi.); had/haid (p.t. and p.p.); hav{e)and, hav{e)ing. Do; dois; did; doand, doing; done/doin. Can; cuth/culd. Sal; suld. 55 J. Derrick McClure Wil; ... is a ten -volume work containing 70,000 entries. Word-lists for individual regional dialects (e.g. The Dialect of Banff shire, Gregor 1866; The Roxburghshire Wordbook, Watson 1 923...

Ngày tải lên: 05/08/2014, 14:20