Bearing Testing Methodology

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26.10.2017

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REVISIONS

LARSEN & TOUBRO LIMITED, CONSTRUCTION, BUILDINGS & FACTORIES ENGINEERING DESIGN AND RESEARCH CENTRE CLIENT :

REVIEW CONSULTANT :

Gujarat Cricket Association

STUP Consultants Pvt. Ltd.

PROJECT :

Sardar Patel Gujarat Cricket Stadium at Motera, Ahmedabad SUPPLIER / CONTRACTOR: JOB No.

VENDOR FOR BEARINGS:

Larsen & Toubro Limited - Construction - B&F IC O16213

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TITLE :

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27.10.17

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1.11.17

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TRICON POLYMERS PVT LIMITED

SARDAR PATEL GUJARAT CRICKET STADIUM

BEARING TESTING METHODOLOGY

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PRELIMINARY

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INFORMATION

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CONSTRUCTION

Annexure - 1

TRICON POLYMERS PVT. LTD., MUMBAI.

Inspection Testing Plan AS PER IRC : 83 - 2015 (PART - II) [ PROJECT : SARDAR PATEL GUJARAT STADIUM AT MOTERA, AHMEDABAD ]. Table 1 : Raw material test on specially moulded test slab Test for

Test to be conducted Hardness

Reference of test Method

Conditioning Temp

IS : 3400 (Part II)

reference Doc IRC : 83 - 2015 (Part - II) Tolerance

Limiting Value MORTH / IRC 83 50 ±5 IRHD

Test Place

Testing Facility

Frequency of test

Report

Specially moulded

In - House

Per Lot

MTC

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

Do

In - House

Per Lot

MTC

a. Hardness b. Tensile Strength

±5 IRHD Maximum change from initial values

-15%

c. Elongation at Break

-30% IS : 3400 (Part - X)

100 ± 1° C (Duration 24h)

Do

35%

Do

In - House

Per Lot

MTC

IS : 3400 (Part XIV)

-

Do

7 KN / m

Do

In - House

Per Lot

MTC

IS : 3400 (Part - XX)

30%, 40 ± 96h, 100pphm

Do

No Crack

Do

External Laboratory

Per Lot

External Test Report

a. Polycholoroprene content test

ASTM D 297

-

IRC : 83 - 2015 (Part - II) CL 4.1.3

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 Confirmation of CR - II) CL 4.1.5

Mould test Piece / From Bearing Cut Piece

In - House

Per Lot

MTC

IS : 3400 (Part XXII)

-

IRC : 83-2015 (Part - II) CL 4.1.3

Mould test Piece / From Bearing Cut Piece

In - House

Per Lot

MTC

Test to measure Compression Set physical properties Adhession Test of elastomer Ozone Resistance Test Chemical Composition test

c. max Ash Content

DATE

31.10.2017

Dipesh Devle VERIFIED BY TRICON POLYMERS PVT LTD

max. 5%

Vinay Kurmi QUALITY CONTROL INCHARGE TRICON POLYMERS PVT LTD

Annexure - 2

TRICON POLYMERS PVT. LTD., MUMBAI. INSPECTION TESTING PLAN AS PER IRC : 83 - 2015 (PART - II) [ PROJECT : SARDAR PATEL GUJARAT STADIUM AT MOTERA, AHMEDABAD ]. Table 2 : Test on complete bearing (two bearings shall be selected at random from the lot as test bearings). Test for

Test to be Reference of test Method conducted As per Appendix 3 of IRC Apparent Compression 83-2015 (Part-II) stiffness Test CL : 8.4.2

Reference Doc

Limiting Value

IRC : 83 - 2015 (Part-II)

Maximum axial load 100% and (Ea ± 20% In Kn/mm) As Per IRC 83-2015 Part - II

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

IRC : 83 - 2015 (Part-II)

(0.70 Mpa) ± 0.15 of the specified value for IRHD 50±5

Test on finished Compressive bearings stiffness

Shear bond test

Ash Content

DATE

31.10.2017

Frequency of test

Testing facility

Observation

Remark

Per lot

In-House

calculation to be done on basis of observed guage Reading

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

In-House

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

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

a) Test summary to be endorsed on each bearing b) if any surface defect is Physical inspection for surface fount which is rectifiable using defects, misplacing of steel appropriate methods, the test certificate plates with the note of repair and even retest to be furnished

Per lot

As per Appendix 3 of IRC 83-2015 (Part-II) CL : 8.1

IRC : 83 - 2015 (Part-II)

Deflection Between 100% & 30% load (±20% of Avg. Deflection)

100%

In - house

As per Appendix 3 of IRC 83-2015 (Part-II) CL : 9.1

IRC : 83 - 2015 (Part-II)

Deflection = 2 X Te ( Two Times of total Neoprene Thickness)

per lot

In - House

per lot

IN - House

AS per IRC : 83-2015 (PartIS : 3400 Part XXII II) Cl 4.1.3

Shall not excced 5%

Dipesh Devle VERIFIED BY TRICON POLYMERS PVT LTD

Report MTC

MTC

MTC

Observed and bond failure between elastomer & Steel

Require two identical bearingselect from lot

MTC

Calculation to be done on basis of observed weighing balance

From destructive bearing

MTC

Vinay Kurmi QUALITY CONTROL INCHARGE TRICON POLYMERS PVT LTD

Annexure - 3

TRICON POLYMERS PVT. LTD., MUMBAI. Inspection Testing Plan

AS PER IRC : 83 - 2015 (PART - II) [ PROJECT : SARDAR PATEL GUJARAT STADIUM AT MOTERA, AHMEDABAD ]. Table 3 : General Inspection as per IRC : 83 - 2015 (PART - II) Test for

Check points

Reference Doc

Limiting Values

Testing Facility

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%

Do

100%

3) Parallelism 1 in 200 (A) of top surface of bearing with respect to the As per IRC : 83-2015 bottom surfae as datum (Part - II) table - 5 Dimensional (B) Of one side surface with respect to the 1 in 100 Checking other as datum 4) (A) Thickness of Individual internal layer of (+/-10%) (Maximum of Do Elastomer 2mm) (B) Thickness of Individual outer layer Do (0, +2mm)

Frequency of Check

Remarks

Report

Each and every bearing shall be dimensionally checked and shall be documented for future needs MTC

Do

100%

Do

100%

5) (A) Plan dimension of laminates

Do

(-3mm, +0)

Do

100%

(B) Thickness of laminates ( C) Parallelism of laminates with respect to bearing base as datum

Do

(+/-) 10%

Do

100%

Do

1 in 100

Do

100%

Check on destructive bearing

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) The marking should be done with indelible ink or flexible paint if practible should be visible after installation. DATE

31.10.2017

Dipesh Devle VERIFIED BY TRICON POLYMERS PVT LTD

Vinay Kurmi QUALITY CONTROL INCHARGE TRICON POLYMERS PVT LTD