چند نمونه خرابی پارک ارم Hasan Ghasemzadeh. Soil Dynamics 12/25/2017. K.N. Toosi University of Technology 1. Retaining Walls
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1 Soil Dynmics 1/5/017 ديوار حايل Retining Wlls sn Ghsemzdeh 15//1390 Dr. sn Ghsemzdeh 1 چند نمونه خرابی پارک ارم //1390 Dr. sn Ghsemzdeh K.N. Toosi Uniersity of Technology 1
2 Soil Dynmics 1/5/017 چند نمونه خرابی منطقه تهران //1390 Dr. sn Ghsemzdeh 3 15//1390 Dr. sn Ghsemzdeh 4 شهرک غرب 1386 K.N. Toosi Uniersity of Technology
3 Soil Dynmics 1/5/017 چند نمونه خرابی 15//1390 Dr. sn Ghsemzdeh 5 انواع ديوارحايل آرماتور 15//1390 گابيون Dr. sn Ghsemzdeh 6 K.N. Toosi Uniersity of Technology 3
4 Soil Dynmics 1/5/017 انواع ديوارحايل 15//1390 Dr. sn Ghsemzdeh 7 انواع شكست در ديوار حايل Filure of Retining Wlls Collse of side wlls Foundtion filure - گسيختگي خود ديوار - گسيختگي پي ديوار (لغزش- دوران) ee due to wter ressures Settlement due to groundwter lowering Seege crrying fines into bse of exction - گسيختگي بر اثر فشار آب - نشست بر اثر پايين آوردن آب - جابجايي دانه هاي ريز بر اثر نشت آب تعيين فشارهاي استاتيكي و ديناميكي 15//1390 Dr. sn Ghsemzdeh 8 K.N. Toosi Uniersity of Technology 4
5 Soil Dynmics 1/5/017 روشهای مختلف محاسبه فشارهای ديوار حايل -1 كولمب رانكين ترزاقي //1390 Dr. sn Ghsemzdeh 9 ديوار حايل در حالت سكون ديوار حايل در حالت سكون h h 0 h K h 15//1390 Dr. sn Ghsemzdeh 10 K.N. Toosi Uniersity of Technology 5
6 Soil Dynmics 1/5/017 ضريب فشار جانبي خاك در حالت سكون K 0 1 خاك الاستيك K0 1 sin( ) K0 K0 5.5( d / d (min) 1) Jky 1948 De wet خاك دانه اي غيرمتراكم خاك دانه اي متراكم seidek K sin( ) رس عادي تحكيم يافته 1965 Brooker & Irelnd رس اضافه تحكيم يافته K 0 K0 R oc 15//1390 Dr. sn Ghsemzdeh 11 Wroth&oulsby 1985 ديوار حايل طره اي Cntileer Wlls مثال : ماسه متراكم در حالت سكون 3m kn/m d d (min) kn/m 3 15//1390 Dr. sn Ghsemzdeh 1 K.N. Toosi Uniersity of Technology 6
7 Soil Dynmics 1/5/017 ديوار حايل در حالت سكون مثال : ماسه متراكم در حالت سكون 3m h kn/m d d (min) kn/m 3 h K 0 K0 1 sin( ) 5.5( d / d (min) 1) h 0 0* h k0 0 h 3 3* h k.991*51.9 P 0 P0 (1/ )(51.43)(3) Dr. sn Ghsemzdeh kn/m خاك دانه اي متراكم نيروي واحد طول ديوار 15// جهت حركت خاك Direction of wll moement ديوار حايل با اندكي حركت خاك با اندكي حركت خاكبرداري Exction 15//1390 Dr. sn Ghsemzdeh 14 K.N. Toosi Uniersity of Technology 7
8 Soil Dynmics 1/5/017 ديوار حايل با اندكي حركت Direction of wll moement خاك با اندكي حركت Exction فشار محرک خاكبرداري Actie ressures فشار مقاوم Pssie ressures 15//1390 Dr. sn Ghsemzdeh 15 ديوار حايل با اندكي حركت جهت حركت خاك Direction of wll moement خاك با اندكي حركت h محرك Actie خاكبرداري Exction مقاوم Pssie h Wll frictionless - rincil stresses re erticl nd horizontl 15//1390 Dr. sn Ghsemzdeh 16 K.N. Toosi Uniersity of Technology 8
9 Soil Dynmics 1/5/017 Rnkine Actie nd Pssie ressures c tn( ) h(min) h k 0 15//1390 Dr. sn Ghsemzdeh 17 Rnkine Actie nd Pssie ressures c tn( ) h(min) h k 0 h(mx) 15//1390 Dr. sn Ghsemzdeh 18 K.N. Toosi Uniersity of Technology 9
10 Soil Dynmics 1/5/017 تغيير مكان لازم جهت تهييج نيروهاي محرك و مقاوم Soil tye Actie ssie Snd (dense) Snd (loose) Lrge Cly (oer consolidted) Lrge Cly (normlly consolidted) Lrge 15//1390 Dr. sn Ghsemzdeh 19 Rnkine Actie nd Pssie ressures c tn( ) h (min) h (mx) k c k k tn 45 / k c k k tn 45 / 15//1390 Dr. sn Ghsemzdeh 0 Mcquorn Rnkine K.N. Toosi Uniersity of Technology 10
11 Soil Dynmics 1/5/017 Rnkine Actie nd Pssie ressures For most wlls the long term, fully drined, condition goerns the stbility. Use effectie stress strength criterion with c 0, 15//1390 Dr. sn Ghsemzdeh 1 Rnkine Actie nd Pssie ressures For most wlls the long term, fully drined, condition goerns the stbility. Use effectie stress strength criterion with The effectie lterl stresses on the wll re then c 0, براي مقاصد طراحي : ACTIVE PASSIVE tn (45 / ) k tn (45 / ) k 15//1390 Dr. sn Ghsemzdeh K.N. Toosi Uniersity of Technology 11
12 Soil Dynmics 1/5/017 Rnkine Actie nd Pssie ressures Rnkine filure zones 45 / 45 / c 0, ) k tn (45 / 45 / 45 / c 0, ) k tn (45 / 15//1390 Dr. sn Ghsemzdeh 3 بار خطي بر واحد طول فشار جانبي ناشي از سر بار b q q b الاستيسيته b 4q b 0.4 b q 0.4 ( 0.4) Boussinesq eqution modified by exeriment 0.05b 0.16 b در خاك 15//1390 Dr. sn Ghsemzdeh 4 K.N. Toosi Uniersity of Technology 1
13 Soil Dynmics 1/5/017 فشار جانبي ناشي از سر بار بار نواری بر واحد سطح b q z P z sin cos q الاستيسيته در خاك q sin cos 15//1390 Dr. sn Ghsemzdeh 5 بار نواری بر واحد سطح فشار جانبي ناشي از سر بار b q z z P الاستيسيته q sin cos در خاك q sin cos q P ( 1 ) 90 tn 1 ( b / ) tn 1 (( b) / ) 1 ( 1) z ( b) (90 ) b ( ) (90 ) //1390 Dr. sn Ghsemzdeh K.N. Toosi Uniersity of Technology 13
14 Soil Dynmics 1/5/017 فشار محرك رانكين در سطح شيب دار اصطکاک با ديوار وجود ندارد جهت حركت ديوار P c = 0 /3 1/ K K cos cos cos cos cos cos cos 15//1390 Dr. sn Ghsemzdeh 7 فشار مقاوم رانكين در سطح شيب دار اصطکاک با ديوار وجود ندارد جهت حركت ديوار P c = 0 /3 1/ K K cos cos cos cos cos cos cos 15//1390 Dr. sn Ghsemzdeh 8 K.N. Toosi Uniersity of Technology 14
15 Soil Dynmics 1/5/017 فشار محرك كولمب اصطکاک با ديوار وجود دارد P (mx) جهت حركت ديوار /3 P W S N R c = 0 to P R W K 1/ K sin sin ( ) 1 sin ( ) sin( )sin( ) sin( )sin( ) 15//1390 Dr. sn Ghsemzdeh 9 Chrles Augustin Coulomb فشار محرك كولمب با سربار K sin ( ) sin( )sin( ) sin sin ( ) 1 sin( )sin( ) q جهت حركت ديوار P /3 sin K sin( ) K q sin( ) 1/ K eq sin q eq sin( ) 15//1390 Dr. sn Ghsemzdeh 30 K.N. Toosi Uniersity of Technology 15
16 Soil Dynmics 1/5/017 فشارمقاوم كولمب اصطکاک با ديوار وجود دارد P (min) جهت حركت ديوار P W S c = 0 R to P /3 N R W 1/ K K sin sin ( ) 1 sin ( ) sin( )sin( ) sin( )sin( ) 15//1390 Dr. sn Ghsemzdeh 31 گرافها Coulomb erth ressure coefficient s. ngle for leel bckfill nd dredge line 15//1390 Dr. sn Ghsemzdeh 3 K.N. Toosi Uniersity of Technology 16
17 Soil Dynmics 1/5/017 گرافها 15//1390 Generlized determintion of ssie ressures (fter Ndock) Dr. sn Ghsemzdeh 33 گرافها Generlized determintion of ctie ressures (fter Ndock) 15//1390 Dr. sn Ghsemzdeh 34 K.N. Toosi Uniersity of Technology 17
18 Soil Dynmics 1/5/017 گرافها Actie nd ssie coefficients with wll friction (sloing bckfill) (fter Cquot nd Kerisel1) 10 15//1390 Dr. sn Ghsemzdeh 35 فشار محرك و مقاوم در هنگام زلزله گوه محرک بزرگتر از حالت استاتيکی گوه مقاوم کوچکتر از حالت استاتيکی محل اثر فشار محرک و مقاوم 15//1390 Dr. sn Ghsemzdeh 36 K.N. Toosi Uniersity of Technology 18
19 Soil Dynmics 1/5/017 Mononobe Okbe Method 15//1390 Dr. sn Ghsemzdeh 37 Mononobe Okbe Method 15//1390 Dr. sn Ghsemzdeh 38 K.N. Toosi Uniersity of Technology 19
20 Soil Dynmics 1/5/017 فشار محرك كولمب در هنگام زلزله اصطکاک با ديوار وجود دارد P (mx) جهت حركت ديوار /3 P k orizentl cc.of erthquke k h k h grity Verticl cc.of erthquke k W grity S N R e 1/ (1 k ) K e K e cossin sin( ) 1 tn 1 ( k sin ( ) /(1 k )) sin( )sin( ) sin( )sin( ) 15//1390 h Dr. sn Ghsemzdeh 39 فشار محرك كولمب در هنگام زلزله 1/ (1 k ) K e 1/ K e جهت حركت ديوار P e.6 z /3 P e P e e 0.6 ( Pe) ( z P 15//1390 Dr. sn e Ghsemzdeh 40 / 3) P K.N. Toosi Uniersity of Technology 0
21 Soil Dynmics 1/5/017 فشار مقاوم كولمب در هنگام زلزله اصطکاک با ديوار وجود دارد P (min) جهت حركت ديوار z Pe k orizentl cc.of erthquke k h k h grity Verticl cc.of erthquke k W grity S N R e 1/ (1 k) K e K e cossin sin( ) 1 tn 1 ( k /(1 k sin ( ) )) sin( )sin( ) sin( )sin( ) 15//1390 h Dr. sn Ghsemzdeh 41 بهره برداري ديوار حايل طره اي Cntileer wll sericebility Considerble moement of the wll is required to mobilise the limiting ssie stresses The moements required to rech the ctie nd ssie conditions deend on the soil tye. For exmle, for retining wlls of height the moements required re تغيير مكان لازم جهت تهييج نيروهاي محرك و مقاوم Soil tye Actie ssie Snd (dense) Snd (loose) Lrge Cly (oer consolidted) Lrge Cly (normlly consolidted) Lrge 15//1390 Dr. sn Ghsemzdeh 4 K.N. Toosi Uniersity of Technology 1
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