Design Criteria for Hrsg Foundation

TABLE OF CONTENTS SECTIONS 1.0

GENERAL

PAGE 2

1.1 Scope

2

1.3 Codes, Standards and References

2

2.0

2

1.2 Units of Measurement

HYPOTHESIS FOR CALCULATION

2

2.1 Loads

3

2.3 Live load

3

3.0

4

2.2 Dead Load 2.4 Load Combinations: MATERIAL

3.1 Reinforcement:

3 3 4

3.2 Concrete: 4.0

BEARING CAPACITY

4

5.0

DESIGN CALCULATIONS

5

4

RAJASTHAN RAJYA VIDYUT UTPADAN NIGAM LIMITED

DESIGN CRITERIA FOR

PROJECT NAME: 1x160 MW CCPP ,RRVUNL , RAMGARH

PACKAGE/SYSTEM:

RAJASTHAN

CIVIL

MAIN STACK FOUNDATION

1.0 GENERAL 1.1 Scope This document covers Design for HRSG Foundation for Ramgarh Combine Cycle Plant.

1.2 Units of Measurement Units of measurement used in design shall be of SI or Metric system. 1.3 Codes, Standards and References The following codes and standards have been referred: Input Drawing / Document 1-00-281-53214 - Boiler Foundation Plan. IS:

456

Code

2000

of

practice

for

Reinforced

Concrete. Design Aids for Reinforced Concrete.

SP: 16

Handbook of concrete engineering by Mark Fintel. 2.0 HYPOTHESIS FOR CALCULATION

Design is based on analysis of the foundation for supplied load data. Reinforcement design has been done for different load combination.

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RAJASTHAN RAJYA VIDYUT UTPADAN NIGAM LIMITED

DESIGN CRITERIA FOR

PROJECT NAME: 1x160 MW CCPP ,RRVUNL , RAMGARH

PACKAGE/SYSTEM:

RAJASTHAN

CIVIL

MAIN STACK FOUNDATION

2.1 Loads 2.2 Dead Load Dead load includes the weight of all structural components and other

permanently applied external loads. Self-wt. of materials is calculated on the basis of unit weights given below. Reinforced Concrete

2.5

T/m3

Soil

1.8

T/m3

2.3 Live load

The Live Loads on foundation has been taken from reference drawing mention above.

Wind load The Wind Loads on foundation has been taken from reference drawing mention above.

2.4 Load Combinations: Load combinations have been considered same as load combination considered for analysis. SL. No.

Load combination

1.

DL+ LL

2.

DL+ LL+ WL

3.

DL+LL+EQ

4.

DL+ WL

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RAJASTHAN RAJYA VIDYUT UTPADAN NIGAM LIMITED

DESIGN CRITERIA FOR

PROJECT NAME: 1x160 MW CCPP ,RRVUNL , RAMGARH

PACKAGE/SYSTEM:

RAJASTHAN

CIVIL

MAIN STACK FOUNDATION

4.

DL+ EQ

3.0 MATERIAL 3.1 Reinforcement The steel reinforcement shall be deformed high yield strength bars of Fy = 500 N/mm2 conforming to IS: 1786. 3.2 Concrete

Grade M25 (having concrete cube compressive strength at 28 days of 25 N/mm2) conforming to IS: 456). 4.0 BEARING CAPACITY Net Safe Bearing Capacity of soil at 3.0 M below Ground level is considered as 50.0 T/m2 for Raft footings

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RAJASTHAN RAJYA VIDYUT UTPADAN NIGAM LIMITED

DESIGN CRITERIA FOR

PROJECT NAME: 1x160 MW CCPP ,RRVUNL , RAMGARH

PACKAGE/SYSTEM:

RAJASTHAN

CIVIL

MAIN STACK FOUNDATION

REV. NO.: R0

DOC. NO.

SPML-S10IRJ01-DD-SE-008

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