top-down method

SLOPE STABILIZATION Modified Top Down Method Top-Down Self Stabilized Structure P Presented t d by: b

Massoud Moghaddaspour g p M.Sc Structural/Geotechnical Engineering 2013 (1392)

TOP TOP-DOWN DOWN CONSTRUCTION

1- Soldier Piles (‫)ﺷﻤﻊ ﻧﮕﻬﺒﺎن‬ 2- Sheet Piles (‫)ﺳﭙﺮﻛﻮﺑﻲ‬ 3- Diaphragm Walls (‫)دﻳﻮار دﻳﺎﻓﺮاﮔﻤﻲ‬ 4- Self Stabilized Structure (‫)ﺳﺎزه ﺧﻮدﭘﺎﻳﺪار‬

‫‪SOLDIER PILES‬‬ ‫ﻣﻨﺎﺳﺐ ﺑﺮاي ﮔﻮدﺑﺮداري ﻫﺎي ﺗﺎ ﻋﻤﻖ ‪ 15‬ﻣﺘﺮ‬

‫‪SHEET PILES‬‬ ‫ﻣﻨﺎﺳﺐ ﺑﺮاي ﮔﻮدﺑﺮداري ﻫﺎي ﺗﺎ ﻋﻤﻖ ‪ 10‬ﻣﺘﺮ‬

‫‪DIAPHRAGM WALLS‬‬ ‫ﻣﻨﺎﺳﺐ ﺑﺮاي ﮔﻮدﺑﺮدارﻳﻬﺎي ﺗﺎ ﻋﻤﻖ ‪ 20‬ﻣﺘﺮ‬

‫‪SELF STABILIZED STRUCTURE‬‬ ‫ﻣﻨﺎﺳﺐ ﺑﺮاي ﮔﻮدﺑﺮدارﻳﻬﺎي ﺑﻴﺶ از ‪ 6‬ﻣﺘﺮ‬

Step 0: Initial Condition

Step 1: Drilling Wells Under Columns

Step 2: Reinforcing and First Stage Concreting of Piles

Step 3: Installing Main Columns and Second Stage Concreting of Piles

Step 4: Filling Wells with Gravel

Step 5: First Stage of Excavating

Step 6: First Stage of Composite Wall

Step 7: Second Stage of Excavating and Composite Wall

Step 8: Third Stage of Excavating and Composite Wall

Step 9: Installing Main Beams of Ground Floor

Step 10: Continuing Excavation and Composite Wall

Step 11: Continuing Excavation and Composite Wall

Step 12: Continuing Excavation and Composite Wall

Step 13: Installing First Basement Main Beams

Step 14: Continuing Procedure to Bottom of Foundation Level

Step 15: Constructing Foundation

Water Proofing Detail

Foundation Connection Detail

PLAXIS OUTPUT (DEFLECTION)

PLAXIS OUTPUT (DEFLECTION)

FACTOR OF SAFETY

SAP2000 MODEL

‫ﺧﻮدﭘﺎﻳﺪار‬ ‫ﺳﺎزه ﺧ ﺎ ا‬ ‫ﻣﺰاﻳﺎي ﻃﻃﺮح ﺎ‬ ‫اﺎ‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬ ‫‪‬‬

‫ﻞ اﻣﻜﺎﻧﺎت ﻮﺟﻮ‬ ‫ن ﺟﺮ‬ ‫ﻋﺪمم ﭘﻴﭽﻴ‬ ‫ﻣﻮﺟﻮد‬ ‫ن ﺑﺑﺎ ﺣﺪاﻗﻞ‬ ‫ي آن‬ ‫اﺟﺮاي‬ ‫ﺮح و اﻣﻜﺎن‬ ‫ﻲ درر ﻃﺮح‬ ‫ﭘﻴﭽﻴﺪﮔﻲ‬ ‫ﺗﺎﻣﻴﻦ اﻳﻤﻨﻲ ﻛﺎﻣﻞ ﺑﺮاي ﺳﺎزه ﻫﺎي ﻣﺠﺎور و ﺗﺎﺳﻴﺴﺎت ﺷﻬﺮي )ﻓﺎﻛﺘﻮر اﻳﻤﻨﻲ ﺑﺎﻻي ‪(5‬‬ ‫زﻟﺰﻟﻪ‬ ‫ﺒﻲ ﺧﺎك و ز ﺰ‬ ‫ﺟﺎﻧﺒﻲ‬ ‫ﻲ ازز ﻓﺸﺎرر ﺟ‬ ‫ي ﻧﺎﺷﻲ‬ ‫ﺑﺎرﻫﺎي‬ ‫ﺳﺎزه درر ﺑ ر‬ ‫ﻞ ز‬ ‫ري ﻛﺎﻣﻞ‬ ‫ﭘﺎﻳﺪاري‬ ‫ﻴﻦ ﭘ ﻳ‬ ‫ﺗﺎﻣﻴﻦ‬ ‫ﺗﺎﻣﻴﻦ اﻧﺴﺠﺎم ﻛﻠﻲ ﺳﺎزه و ﻋﻤﻠﻜﺮد ﻳﻜﭙﺎرﭼﻪ آن در ﻣﻘﺎﺑﻞ ﺑﺎرﻫﺎي وارده‬ ‫ﺗﺮاﻧﺸﻪ‬ ‫زي ﺮ‬ ‫ﭘﺎﻳﺪارﺳﺎزي‬ ‫ول ﭘ ﻳ ر‬ ‫ي ﻣﺘﺪاول‬ ‫روﺷﻬﺎي‬ ‫ﻳﺮ رو ﻬ‬ ‫ﻧﺴﺒﺖ ﺑﺑﻪ ﺳﺎﻳﺮ‬ ‫ي ﺑﺑﺎﻻ ﺒ‬ ‫اﺟﺮاي‬ ‫ﺳﺮﻋﺖ ﺟﺮ‬ ‫ﺮ‬ ‫ﻛﺎﻫﺶ ﻫﺰﻳﻨﻪﻫﺎي اﺟﺮاﺋﻲ و ﻋﺪم ﺗﻮﻟﻴﺪ زاﻳﺪات در روﻧﺪ اﺟﺮاي ﺳﻴﺴﺘﻢ ﻧﮕﻬﺪاري‬ ‫ﻓﻮﻧﺪاﺳﻴﻮن‬ ‫ﻴﻮن‬ ‫ﻊو ﻮ‬ ‫ﮔﺮوه ﺷﻤﻊ‬ ‫ﻴﺒﻲ ﺮو‬ ‫ﺗﺮﻛﻴﺒﻲ‬ ‫ﻋﻤﻠﻜﺮد ﺮ‬ ‫ﺮ‬ ‫ﻴﻮن ﺑﺑﻪ ﻋﻠﺖ‬ ‫ﻓﻮﻧﺪاﺳﻴﻮن‬ ‫ﻴﺢ ﻮ‬ ‫ﺶ ﺑاﺑﻌﺎد و ﺗﺴﻠﻴﺢ‬ ‫ﻛﺎﻫﺶ‬ ‫اﻣﻜﺎن اﺟﺮاي ﺳﻴﺴﺘﻢ زﻫﻜﺸﻲ در ﻣﺠﺎورت آﺑﻬﺎي ﺳﻄﺤﻲ و زﻳﺮﺳﻄﺤﻲ‬ ‫ﺮح ﻣﻌﻤﺎري‬ ‫ري‬ ‫ﻴﻴﺮ درر ﻃﺮح‬ ‫ﻫﺮﮔﻮﻧﻪ ﺗﻐﻴﻴﺮ‬ ‫ﻋﺪمم ﻴﻧﻴﺎزز ﺑﺑﻪ ﺮ ﻮ‬ ‫اﺑﻌﺎد ﻣﻨﻄﻘﻲ و ﻗﺎﺑﻞ اﺟﺮا ﺑﺮاي اﻟﻤﺎﻧﻬﺎي ﺳﺎزهاي‬ ‫ﻧﮕﻬﺪاري‬ ‫ري‬ ‫ﻢ ﻬ‬ ‫ﺳﻴﺴﺘﻢ‬ ‫ي ﻴ‬ ‫اﺟﺮاي‬ ‫وﻳﮋه درر ﺟﺮ‬ ‫ي وﻳﮋ‬ ‫ﺗﺨﺼﺺﻫﺎي‬ ‫ﺺ‬ ‫ﻋﺪمم ﻴﻧﻴﺎزز ﺑﺑﻪ‬ ‫ﺑﻬﻴﻨﻪ ﺳﺎزي ﻛﻠﻲ ﻃﺮح ﺳﺎزه و اﻗﺘﺼﺎدي ﺗﺮ ﺷﺪن ﺳﺎزه‬ ‫ﻧﮕﻬﺪاري‬ ‫ري‬ ‫ﻢ ﻬ‬ ‫ﺳﻴﺴﺘﻢ‬ ‫ي ﻴ‬ ‫اﺟﺮاي‬ ‫ي ﺟﺮ‬ ‫ﺑﺮاي‬ ‫ﻲ ﺑﺮ‬ ‫ي اﺿﺎﻓﻲ‬ ‫ﻋﺪمم ﻴﻧﻴﺎزز ﺑﺑﻪ ﻓﻀﺎي‬ ‫ﻋﺪم ﺗﺠﺎوز ﺑﻪ ﺣﺮﻳﻢ ﺳﺎﺧﺘﻤﺎﻧﻬﺎي ﻣﺠﺎور و ﻣﻌﺎﺑﺮ‬

COLUMN INSIDE THE WELL

INSTALLING ALL OF COLUMNS

COMPOSITE WALLS AND EXCAVATION

CONTINUING CONTINUING…

COMPLETE CONSTRUCTION

MATERIAL TAKEOFF

‫ﭘﺎﻳﻨﺪه ﺑﺎﺷﻴﺪ‬