Your company is about to bid for a tender of a 4-storey high-end bungalow project in...
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Your company is about to bid for a tender of a 4-storey high-end bungalow project in a silty clay soil area. It is known that there are hard strata located at a depth of 7 m below ground surface. One of the design tasks for the project tender is the foundation structure. Given one of the typical reinforced concrete columns of 400 x 400 mm carries estimated loads of 850 kN permanent and 500 kN variable and required to be supported by a foundation. The allowable bearing capacity of soil within the project site is 210 kN/m². As a design engineer, you have been assigned by your superior to design the most economical foundation type (either pad footing or pile foundation). Table 1 shows the catalogue of precast reinforced concrete square pile which has been provided by the client's vendor. Table 1: Precast RC Pile Catalogue Pile Nominal Pile Length Concretre Maximum Size A Grade Axial Worlding Load *C (mmmm) (m) (N/mm) (kN) 150X150 3,6 45 332 175x175 3,6 45 455 200 X 200 3.6 45 570 250X250 3,6,9,12 45 910 300X300 3.6.9.12 45 1320 350X350 3,6.9.12 45 1730 400 X 400 3,6.9.12 45 2310 Based on the task given above, provide ONE (1) suitable foundation design for the column. Determine the design parameters to be used in your design calculation. Provide the following in accordance with Eurocode standard: a) Size of the foundation structural element (PLO2. CLOI) b) Suitable bending reinforcement (PLOS, CLO2) c) Critical shear stress capacity (PLOS, CLO2) d) CAD drawing of the reinforcement detailing in cross section and plan view (PLOS, CLO3) Then, write a summary brief report in one (1) paragraph for the suitable foundation design option with the most cost-effective consideration. Show your design calculation and brief report in a presentable style. Your company is about to bid for a tender of a 4-storey high-end bungalow project in a silty clay soil area. It is known that there are hard strata located at a depth of 7 m below ground surface. One of the design tasks for the project tender is the foundation structure. Given one of the typical reinforced concrete columns of 400 x 400 mm carries estimated loads of 850 kN permanent and 500 kN variable and required to be supported by a foundation. The allowable bearing capacity of soil within the project site is 210 kN/m². As a design engineer, you have been assigned by your superior to design the most economical foundation type (either pad footing or pile foundation). Table 1 shows the catalogue of precast reinforced concrete square pile which has been provided by the client's vendor. Table 1: Precast RC Pile Catalogue Pile Nominal Pile Length Concretre Maximum Size A Grade Axial Worlding Load *C (mmmm) (m) (N/mm) (kN) 150X150 3,6 45 332 175x175 3,6 45 455 200 X 200 3.6 45 570 250X250 3,6,9,12 45 910 300X300 3.6.9.12 45 1320 350X350 3,6.9.12 45 1730 400 X 400 3,6.9.12 45 2310 Based on the task given above, provide ONE (1) suitable foundation design for the column. Determine the design parameters to be used in your design calculation. Provide the following in accordance with Eurocode standard: a) Size of the foundation structural element (PLO2. CLOI) b) Suitable bending reinforcement (PLOS, CLO2) c) Critical shear stress capacity (PLOS, CLO2) d) CAD drawing of the reinforcement detailing in cross section and plan view (PLOS, CLO3) Then, write a summary brief report in one (1) paragraph for the suitable foundation design option with the most cost-effective consideration. Show your design calculation and brief report in a presentable style.
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Related Book For
Managerial accounting
ISBN: 978-0471467854
1st edition
Authors: ramji balakrishnan, k. s i varamakrishnan, Geoffrey b. sprin
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