Bearing Testing Methodology

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VENDOR FOR BEARINGS:

Larsen & Toubro Limited - Construction - B&F IC

TRICON POLYMERS PVT LIMITED

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RELEASED FOR

PRELIMINARY TENDER INFORMATION

P

APPROVAL CONSTRUCTION

IS

A

30.10.17 REN

REN

1.11.17 CODE

REV.

NRM

NAME

SIGN

DATE

BEARING TESTING METHODOLOGY

MGP

27.10.17 NRM

JOB No.

O16213

TOTAL NO. OF PAGES

TITLE :

SARDAR PATEL GUJARAT CRICKET STADIUM

Gujarat Cricket Association

PROJECT :

Designed

Checked

Approved

Sardar Patel Gujarat Cricket Stadium at Motera, Ahmedabad

CLIENT :

REVISIONS

LARSEN & TOUBRO LIMITED, CONSTRUCTION, BUILDINGS & FACTORIES

ENGINEERING DESIGN AND RESEARCH CENTRE

DATE

REV. NO.

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STUP Consultants Pvt. Ltd.

ISSUED FOR APPROVAL

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Test for Test to be conducted Reference of test Conditioning reference Doc Limiting Value Test Place Testing Frequency Report

Method Temp MORTH / IRC 83 Facility of test

Hardness IS : 3400 (Part II) IRC : 83 - 2015_{(Part - II)} 50 Tolerance ±5 IRHD

Min. Tensile Strength IS : 3400 (Part II) - Do 17 Mpa Do In - House Per Lot MTC Elongation at break (Min). IS : 3400 (Part II) - Do 450% Do In - House Per Lot MTC Accelerated Ageing IS : 3400 (Part-IV) 100 ± 1° C 72 hr Do Do In - House Per Lot MTC

a. Hardness ±5 IRHD b. Tensile Strength -15% c. Elongation at Break -30% Test to measure physical properties of elastomer

Table 1 : Raw material test on specially moulded test slab

AS PER IRC : 83 - 2015 (PART - II)

Inspection Testing Plan

Specially moulded In - House Per Lot MTC

Maximum change from initial values Do In - House Per Lot

Annexure - 1

[ PROJECT : SARDAR PATEL GUJARAT STADIUM AT MOTERA, AHMEDABAD ].

TRICON POLYMERS PVT. LTD., MUMBAI.

MTC

b. Tensile Strength -15%

c. Elongation at Break -30%

Compression Set IS : 3400 (Part - X) 100 ± 1° C (Duration_24h) Do 35% Do In - House Per Lot MTC Adhession Test IS : 3400 (Part XIV) - Do 7 KN / m Do In - House Per Lot MTC Ozone Resistance Test IS : 3400 (Part - XX) 30%, 40 ± 96h,_100pphm Do No Crack Do _LaboratoryExternal Per Lot External Test_Report Chemical Composition test

a. Polycholoroprene content

test ASTM D 297 - (Part - II) CL 4.1.3IRC : 83 - 2015 min 60%

Mould test Piece / From Bearing Cut

Piece In - House Per Lot MTC b. Indentification of Polymer

(By Pyrolysis Test) ASTM D 297 / IS :3400 (Part - XXII) - IRC : 83-2015 (Part- II) CL 4.1.5 Confirmation of CR

Mould test Piece / From Bearing Cut

Piece In - House Per Lot MTC c. max Ash Content IS : 3400 (Part XXII) - IRC : 83-2015 (Part_{- II) CL 4.1.3} max. 5% Mould test Piece /From Bearing Cut

Piece In - House Per Lot MTC

Dipesh Devle Vinay Kurmi

DATE 31.10.2017 VERIFIED BY QUALITY CONTROL INCHARGE

TRICON POLYMERS PVT LTD TRICON POLYMERS PVT LTD Test to measure

physical properties of elastomer

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Test for Test to be Reference of test Method Reference Doc Limiting Value Frequency Observation Remark Report

conducted of test

MTC CL : 8.4.2

MTC

[ PROJECT : SARDAR PATEL GUJARAT STADIUM AT MOTERA, AHMEDABAD ].

Require two bearing [ IRC : 83-2015 (Part-II) ]

As per IRC:83-2015 (Part-II) require one bearing

Per lot In-House In-House Testing facility Apparent Compression stiffness Test

As per Appendix 3 of IRC 83-2015 (Part-II)

As per Appendix 3 of IRC 83-2015 (Part-II) CL : 7.1 Shear modulus

test

INSPECTION TESTING PLAN

TRICON POLYMERS PVT. LTD., MUMBAI.

AS PER IRC : 83 - 2015 (PART - II)

Table 2 : Test on complete bearing (two bearings shall be selected at random from the lot as test bearings).

calculation to be done on basis of observed guage Reading Maximum axial load 100% and (Ea

± 20% In Kn/mm) As Per IRC 83-2015 Part - II

IRC : 83 - 2015

(Part-II) (0.70 Mpa) ± 0.15 of the specifiedvalue for IRHD 50±5

Visual observetion to be made for inspecting detachment of elastomer from steel and shear

pattern IRC : 83 - 2015 (Part-II) Test on finished bearings Per lot MTC MTC

per lot IN - House From destructive bearing MTC

Dipesh Devle Vinay Kurmi

Require two bearing [ IRC : 83-2015 (Part-II) ]

Require two identical bearingselect from lot

Observed and bond failure between elastomer & Steel Deflection Between 100% & 30%

load (±20% of Avg. Deflection) 100% In - house Per lot In-House

Deflection = 2 X Te ( Two Times of total Neoprene Thickness) As per Appendix 3 of IRC

83-2015 (Part-II) CL : 7.1

As per Appendix 3 of IRC 83-2015 (Part-II) CL : 9.1 As per Appendix 3 of IRC 83-2015 (Part-II) CL : 8.1 IRC : 83 - 2015 (Part-II) IRC : 83 - 2015 (Part-II) Compressive stiffness Shear modulus test

Shall not excced 5%

Shear bond test per lot In - House

Ash Content IS : 3400 Part XXII Calculation to be done on basis_{of observed weighing balance}

Physical inspection for surface defects, misplacing of steel

plates

a) Test summary to be endorsed on each bearing b) if any surface defect is

fount which is rectifiable using appropriate methods, the test certificate

with the note of repair and even retest to be furnished

IRC : 83 - 2015

(Part-II) (0.70 Mpa) ± 0.15 of the specifiedvalue for IRHD 50±5

Visual observetion to be made for inspecting detachment of elastomer from steel and shear

pattern

Test on finished bearings

AS per IRC : 83-2015 (Part-II) Cl 4.1.3

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Test for

Check points

Reference Doc

Limiting Values

Testing Facility

Frequency

Remarks

Report

of Check

1) Plan size

As per IRC : 83-2015

_{(Part - II) table - 5}

0mm, +6mm

In house facility

_{shall be}

100%

2) Total Bearing Thickness

As per IRC : 83-2015

_{(Part - II) table - 5}

0mm, +5%

Do

100%

3) Parallelism

1 in 200

Do

100%

(A) of top surface of bearing with respect to the

bottom surfae as datum

Annexure - 3

[ PROJECT : SARDAR PATEL GUJARAT STADIUM AT MOTERA, AHMEDABAD ].

TRICON POLYMERS PVT. LTD., MUMBAI.

Inspection Testing Plan

As per IRC : 83-2015

(Part - II) table - 5

Each and every

bearing shall be

dimensionally

checked and shall

be documented for

future needs

MTC

Dimensional

Checking

Table 3 : General Inspection as per IRC : 83 - 2015 (PART - II)

AS PER IRC : 83 - 2015 (PART - II)

(A) of top surface of bearing with respect to the

bottom surfae as datum

(B) Of one side surface with respect to the

other as datum

1 in 100

4) (A) Thickness of Individual internal layer of

Elastomer

Do

(+/-10%) (Maximum of

2mm)

Do

100%

(B) Thickness of Individual outer layer

Do

(0, +2mm)

Do

100%

5) (A) Plan dimension of laminates

Do

(-3mm, +0)

Do

100%

(B) Thickness of laminates

Do

(+/-) 10%

Do

100%

( C) Parallelism of laminates with respect to

bearing base as datum

Do

1 in 100

Do

100%

Storing and handling of finished bearing

1) All the finished bearings before inspection should have an identification mark / sticker appended on it to have all the details mentioned as per Cl 8 & 9 of IRC:83-2015 (Part - II)