BASIC GEOTECHNICAL EARTHQUAKE ENGINEERING

BASIC GEOTECHNICAL EARTHQUAKE ENGINEERING

BASIC GEOTECHNICAL EARTHQUAKE ENGINEERING
... 40 years Most earthquake engineers have structural or geotechnical engineering background This book covers geotechnical aspects of earthquake engineering Geotechnical earthquake engineering is ... been used to prepare this basic book on geotechnical earthquake engineering Although the book is on geotechnical earthquake engineering, the last chapter of book is on earthquake resistant design ... INTRODUCTION TO GEOTECHNICAL EARTHQUAKE ENGINEERING (v) 1.1 Introduction 1.2 Earthquake Records 1.3 Earthquake Records of India EARTHQUAKES 2.1 Plate Tectonics, The Cause of Earthquakes 2.2 Seismic...
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Basic Geotechnical Earthquake Phần 1 pps

Basic Geotechnical Earthquake Phần 1 pps
... DESIGN OF BUILDINGS 11 5 11 .1 Introduction 11 5 11 .2 Earthquake Resisting Performance Expectation 11 6 11 .3 Key Material Parameters for Effective Earthquake Resistant Design 11 7 11 .4 Earthquake Design ... Ground Motion 11 8 11 .5 Derivation of Ductile Design Response Spectra 12 1 11 .6 Analysis and Earthquake Resistant Design Principles 12 2 11 .7 Earthquake Resistant Structural Systems 12 6 11 .8 The Importance ... TO GEOTECHNICAL EARTHQUAKE ENGINEERING (v) 1. 1 Introduction 1. 2 Earthquake Records 1. 3 Earthquake Records of India EARTHQUAKES 2 .1 Plate Tectonics, The Cause of Earthquakes 2.2 Seismic Waves 15 ...
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Basic Geotechnical Earthquake Phần 2 ppsx

Basic Geotechnical Earthquake Phần 2 ppsx
... 06 /28 /66 Parkfield, CA 35 10 6 .25 02/ 09/71 San Fernando Valley, CA 17 14 6.64 10 /28 /83 Borah Peak, ID 33 20 6.93 10/18/89 Loma Prieta, CA 40 16 6. 92 06 /28 / 92 Landers, CA 62 12 7.34 Although the exact ... Table 2. 2 below Table 2. 2: Rupture area of certain earthquakes (Courtesy: http:// eqseis.geosc.psu.edu) Date Location Length (km) Depth (km) (Mw) 12/ 16/54 Dixie Peak, NV 42 14 6.94 06 /28 /66 Parkfield, ... 3.3 × 3.3 6.0 10 × 10 6.5 16 × 16, 25 × 10 7.0 40 × 20 , 50 × 15 7.5 140 × 15, 100 × 20 , 72 × 30, 50 × 40, 45 × 45 8.0 300 × 20 , 20 0 × 30, 150 × 40, 125 × 50 2. 3.1 Fault Structure Although the...
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Basic Geotechnical Earthquake Phần 3 docx

Basic Geotechnical Earthquake Phần 3 docx
... seismic waves obtained from seismogram 30 Basic Geotechnical Earthquake Engineering CHAPTER SEISMIC HAZARDS IN INDIA 3. 1 INTRODUCTION Natural disasters like earthquake, landslide, flood, drought, ... the Syntaxis Zone (Kayal, 1998) The list of important earthquake events in this region has been tabulated in Table 3. 3 Table 3. 3 Important Earthquakes in Northeast India (Courtesy: http://gbpihed.nic.in) ... reported 32 Basic Geotechnical Earthquake Engineering The Peninsular India was once considered as a stable region However, its seismic hazard status has increased due to the occurrence of damaging earthquakes...
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Basic Geotechnical Earthquake Phần 4 docx

Basic Geotechnical Earthquake Phần 4 docx
... in Fig 4. 2(A) The critical damping ratio, D, is: where, Ai 4 A T Ai = area of loop D = At = shaded area . (4. 2) 44 Basic Geotechnical Earthquake Engineering Other types of cyclic loading devices ... .(5.1a) (2,1 54, 000)(r)–2.10 .(5.1b) a = b = (0. 046 )+(0 .44 5)log(r) .(5.1c) d = (2.515)+(0 .48 6)log(r) .(5.1d) Y = peak horizontal acceleration (in gal) (1 gal = cm/sec2) where, M = earthquake magnitude ... is determined using cyclic triaxial testing 46 Basic Geotechnical Earthquake Engineering CHAPTER SITE SEISMICITY, SEISMIC SOIL RESPONSE AND DESIGN EARTHQUAKE 5.1 SITE SEISMICITY 5.1.1 Site Seismicity...
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Basic Geotechnical Earthquake Phần 5 pptx

Basic Geotechnical Earthquake Phần 5 pptx
... Soil Response and Design Earthquake 55 (a) Rock with 250 0 ft/sec < Vs < 50 00 ft/sec (760 m/sec < Vs < 152 0 m/sec) (b) Very dense soil and soft rock with 1200 ft/sec < Vs < 250 0 ft/sec (360 m/sec ... likely to liquefy during a big earthquake (noted by the letter “L”) 57 58 Basic Geotechnical Earthquake Engineering Fig 6.1 Areas likely to liquefy during big earthquake (Courtesy: http://www.es.ucsc.edu) ... 0.3g Aa = 0.4g Aa = 0.5g A 0.1 0.2 0.3 0.4 0 .5 B 0.12 0.24 0.33 0.4 0 .5 C 0.16 0.28 0.36 0.44 0 .5 D 0. 25 0.34 0.36 0.46 SI Aa = Effective peak acceleration SI = Site specific geotechnical investigation...
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Basic Geotechnical Earthquake Phần 6 pdf

Basic Geotechnical Earthquake Phần 6 pdf
... design earthquake Solution: Using results of Example 6. 1, σv0 = 58 + 20 = 78 kPa σ ′v = 43 + 20 = 63 kPa Using Eq (6. 4), CSR = 0 .65 (0. 96) (78 /63 )(0.45) = 0.347 Home Work Problems Solve Example 6. 1 ... cyclic resistance ratio determined from shear wave velocity method? 76 Basic Geotechnical Earthquake Engineering CHAPTER EARTHQUAKE RESISTANT DESIGN OF SHALLOW FOUNDATION 7.1 INTRODUCTION A bearing ... pressures are determined as follows: FS = 80 Basic Geotechnical Earthquake Engineering q′ = q″ = where, q′ = q″ = Q = e = B = Q(B + 6e) (7.9) B2 Q(B − 6e) (7.10) B2 largest bearing pressure under...
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Basic Geotechnical Earthquake Phần 7 docx

Basic Geotechnical Earthquake Phần 7 docx
... –16.366 + 1. 178 M – 0.927logR – 0.013R + 0.657logW + 0.348logT (9.5) + 4.527log(100-F) – 0.922D50 For lateral spreading of gently sloping ground: log DH = –15 .78 7 + 1. 178 M – 0.927logR - 0.013R ... What are the design criteria for earthquake resistant design of deep foundations? 90 Basic Geotechnical Earthquake Engineering CHAPTER SLOPE STABILITY ANALYSES FOR EARTHQUAKES 9.1 INTRODUCTION Slope ... = a max/g 92 Basic Geotechnical Earthquake Engineering For intermediate slide mass, kh = 0.65amax/g For large slide mass, kh = 0.1 for sites near faults generating 6.5 magnitude earthquake and...
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Basic Geotechnical Earthquake Phần 8 docx

Basic Geotechnical Earthquake Phần 8 docx
... = 1.707 ×106 = 1 .88 4 9.05655 x 105 Anchor pull = AP = PA − Pp FS + PE = 282 24.125 – 43392 + 86 90 = 1 388 2.277 lb/ft 1 .88 4 Example 10.4 A braced excavation will be used to support vertical sides ... σhH = (477.75)(20) = 9555 lb/ft Earthquake case: PE = FG IJ H K 1 / amax kA (H2γ t ) = (0.5)(0.294)0.5(0.2)(20)2(125) = 2711. 088 lb/ft g 114 Basic Geotechnical Earthquake Engineering Home Work ... 5)(tan 38) + (4 06) = 236 49.12 110 Basic Geotechnical Earthquake Engineering Fig 10.4 Earth pressure distribution on temporary braced walls (Courtesy, Day, 2002) Retaining Wall Analyses for Earthquakes...
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Basic Geotechnical Earthquake Phần 9 pps

Basic Geotechnical Earthquake Phần 9 pps
... exception Times of India, September 19, 199 9, P 12 Iyengar, R N., 199 4, Earthquake History of South India, The Hindu, Jan 23 Katsumi, Maraya M.M and Miteuru T ( 198 8), “Analysis of gravel drain against ... Technology, Govt of India ( 199 9) Earthquake Researches in India P 13 Ed A Macfarlane, R Sorkhabi, and J Quade Geological Society of America Special Paper 328 313-323 Gupta, H.K 199 9 Big quakes more a ... Series, Calcutta Khatri, K.N 199 9 Probabilities of occurrence of great earthquakes in the Himalayas Earth & Planetary Sciences 108 (2), pp 87 -92 Kuwabara F and Yoshumi Y ( 197 3), “Effect of subsurface...
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Basic Geotechnical Earthquake Phần 10 pptx

Basic Geotechnical Earthquake Phần 10 pptx
... Retaining Walls 108 Overconsolidation ratio 66 Retaining wall 102 , 103 , 104 , 106 , 108 , 109 , 111, 113, 114 P Retaining wall 102 , 104 , 106 , 108 P wave 16, 27 Reverse fault 21, 22 Paasive zone 106 Richter ... slide 90, 97, 98, 99, 100 , 102 Focal depth 46, 56 Focus 18, 27, 46 Footwall 21 Friction piles 87 Dynamic wall pressure 102 G E Earthquake engineering 1, Earthquake prediction 34 Earthquake shaking ... 41, 48 Sheet pile 106 , 107 , 112, 113 T Shillong Plateau 33 Temporary retaining walls 108 Significant earthquakes Tension cracks 94, 95 Simplified procedure 67 Tieback anchor 107 , 108 , 112, 113 Single-degree-of-freedom...
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a biot formulation for geotechnical earthquake engineering applications

a biot formulation for geotechnical earthquake engineering applications
... Geo Class : USA LCP: N Author Bao, Yu Bound:N EBeam : Y 67-05 B Scan : Size: N Normal size (8 1/2 X 11) Camera and EBeam A Biot@ formulation for @ ?geotechnical earthquake @ ?engineering applications ... entitled: A Biot Formulation for Geotechnical Earthquake Engineering Applications written by Yu Bao has been approved for the Department of Civil, Environmental, and Architectural Engineering ... nonlinear volume changes for granular soils and Biot field equations used in overall analysis Traditional concepts of critical state soil mechanics, state parameter and phase transformation surface...
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