jkr requirement on cbr of crusher run

Specifications For CRUSHED AGGREGATE BASE COARSE #2 …

ITEM DESCRIPTION OF WORKS POINT OF INSPECTION / TEST STANDARD/REQUIREMENT TOOLS / EQUIPMENT STAGE/ FREQUENCY TRADE : EARTHWORKS 3 Preparation of Road Formation level In-situ Density Test (Top 300 mm) JKR/SPJ/1988 - Cl 2.2.7 CBR Not less than 5% when compacted to 95% maximum dry …

Standard Specification for Road Works

The CBR of the sub-base shall not be less than 30% or as shown on the Drawings when compacted to 95% of the maximum dry density determined in the BS 1377 Compaction Test (4.5 kg rammer method, soaked for 4 days

Chemilink In-Situ rehabilitations for various pavements in ...

Jun 20, 2014· California Bearing Ratio or CBR test is the ratio of the force per unit area required to penetrate a soil mass with a standard circular piston of 50 mm dia, at the rate of 1.25 mm/min to that of force required to penetrate sample of compacted stone having CBR of .. CBR test Equipments; The standard load corresponding to 2.5 mm and 5 mm penetration of …

pmgsy quality control machine cbr impact value equipment

Oct 18, 2013· ASSIGNMENT FLEXIBLE PAVEMENT DESIGN ECV 5606 Saeed Badeli JKR method based on CBR California Bearing Ratio (CBR) The California Bearing Ratio (CBR) test is a simple strength test that compares the bearing capacity of a material with that of a well-graded crushed stone (thus, a high,quality crushed stone material should have a CBR @ ).

What is frequency of CBR testing for road design?

Fig. (4.1, b) California bearing ratio (CBR-value, laboratory) of untreated compacted- and treated stabilized - soils with fly ash 0 10 20 30 40 50 60 70 0 4 8 12 162024 2832 36 40 Fly ash content (%) CBR-value (%) Tertiary clay 7 days Organic silt 7 days Weathered soil 7 days Fig. (4.1, c) California bearing ratio (CBR-value,

Arahan Teknik (jalan) 5-85 - Manual On Pavement Design ...

Field Density Test (FDT) or CBR Test on the subgrade shall be carried out according to the specification. Laying Road Base Material The crusher run road base to be placed on top of the sub base shall consisting of crushed aggregate laid in layers each of thickness not exceeding 200mm and to give the specified total compacted thickness and width ...

What is frequency of CBR testing for road design?

Field Density Test (FDT) or CBR Test on the subgrade shall be carried out according to the specification. Laying Road Base Material The crusher run road base to be placed on top of the sub base shall consisting of crushed aggregate laid in layers each of thickness not exceeding 200mm and to give the specified total compacted thickness and width ...

CBR TEST OF SOIL-10+ MOST IMPORTANT NOTES TO REMEMBER ...

Compaction work will be done using roller compactor. 6.5.6 Field Density Test (FDT) or CBR Test on the subgrade shall be carried out according to the specification. 6.6 Laying Road Base Material 6.6.1 The crusher run road base to be placed on top of the sub base shall consisting of crushed aggregate laid in layers each of thickness not ...

California Bearing Ratio - Pavement Interactive

The California Bearing Ratio (CBR) test is a simple strength test that compares the bearing capacity of a material with that of a well-graded crushed stone (thus, a high quality crushed stone material should have a CBR @ ). It is primarily intended for, but not limited to, ...

MECHANICAL AND ELECTRICAL TECHNICAL SPECIFICATION

CBR (CALIFORNIA BEARING RATIO) is the ratio of the force per unit area required to penetrate a soil mass with a standard circular piston of 50 mm dia, at the rate of 1.25 mm/min to that of force required to penetrate sample of compacted stone havi...

SECTION 02316 SELECT GRANULAR MATERIALS

Cbr Value Of Crusher Run. Pmgsy Quality Control Machine Cbr Impact Value Read More cbr test for crusher run malaysia cbr value of crusher Read More cbr test for crusher run malaysia cbr value of crusher Contact Supplier pmgsy quality control machine cbr impact value equipment CBR Value 15 the cement concrete pavement should not be laid directly over the of...

Typical Road Structure Cross Section - Sub Grade, Base ...

standard specifications for road works-2000 series 1000 - general the united republic of tanzania, ministry of works page 1000 - 1 series 1000 general section page 1100 definitions and terms 1000-2 1200 general requirements and provisions 1000-6 1300 contractor's establishment on site and general obligations 1000-20 1400 engineer's accommodation and attendance upon engineer and

Pavement Design in Road Construction - Design Parameters ...

Dec 07, 2013· 6.6.1 The crusher run road base to be placed on top of the sub base shall consisting of crushed aggregate laid in layers each of thickness not exceeding 200mm and to give the specified total compacted thickness and width, correct line and levels shown in drawings.

What are the CBR values for each layer of highway? - Quora

own unique requirements and controls both in the field and for testing purposes. Soil types are commonly classified by grain size, determined by passing the soil through a series of sieves to screen or separate the different grain sizes. [See Figure 3] Soil classification is categorized into 15 groups, a system set

Typical Road Structure Cross Section - Sub Grade, Base ...

Requirements: The aggregate shall consist of hard, durable particles of crushed stone or crushed gravel and a filler of natural sand, stone sand or other finely divided mineral matter. Over-sized material, encountered in deposit, from which the material is taken shall be removed by screening or shall be crushed to the required sizes.

4 Results: California Bearing Ratio (CBR)

5.2 For applications where the effect of compaction water content on CBR is small, such as cohesionless, coarse-grained materials, or where an allowance is made for the effect of differing compaction water contents in the design procedure, the CBR may be determined at the optimum water content of a specified compaction effort. The specified dry unit weight is normally the …

testing result for crusher run cbr test

8 Supply, lay and compact 300mm thk crusher-run to top of bund. m2 20.18 19.30 - 25.00 20.18 19.30 - 25.00 9 300mm thick crushed aggregate Roadbase.(CBR > 80%). m3 50.72 23.00 - 70.00 50.72 23.00 - 70.00 10 300mm (compacted) thick crusher run as base course, spread and levelled to falls and chamber, well rammed and consolidated as described.

Method Statement road - Method Statement-Roadworks 1.0 ...

It is the ingenuity of the road designer how to build the road whatever the value of CBR. First of all, wheel loads should be known along with the volume of traffic . Atleast, to know, whether it is a village road, State Highway or National High...

(PDF) Standard Specification For Road Works STANDARD ...

Dec 09, 2015· Step 3 Carry out joint inspection with Subcontractor on the sub-base level. PREPARATION OF ROAD BASE Step 1 Lay crusher run on top of sub-base and compact by the roller. The thickness for any layer is according to specification. Step 2 Carry out field density test and CBR test on the road base as per specification if required. 3.

Soil Compaction Handbook - Multiquip Inc

The California Bearing Ratio (CBR) test is a simple strength test that compares the bearing capacity of a material with that of a well-graded crushed stone (thus, a high quality crushed stone material should have a CBR @ ). It is primarily intended for, but not limited to, ...

FOREWORD - JKR Marang

testing for crusher run. crusher run test. cbr test for crusher runwimmaasse cbr test for crusher run ground engineering as potential end uses for recycled and-wrap, table 18 cbr data for rsa materials it was decided to undertake a range of ground engineering related tests on the following run some larger lumpsabout 100 or 125 mm cube and lots of fines also a 'part .

pavement analysis - SlideShare

water is regulated via a bypass system installed at the end of the primary chilled water run. The secondary chilled water circuit was not part of the original installation and it has been installed at a later stage to suit the specific Bank's requirements and it serves IT suites within the building.

California Bearing Ratio - Pavement Interactive

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Method of Statement - Pavement works - SlideShare

Oct 18, 2013· ASSIGNMENT FLEXIBLE PAVEMENT DESIGN ECV 5606 Saeed Badeli JKR method based on CBR California Bearing Ratio (CBR) The California Bearing Ratio (CBR) test is a simple strength test that compares the bearing capacity of a material with that of a well-graded crushed stone (thus, a high,quality crushed stone material should have a CBR @ ).

What is the minimum CBR values for a subbase layer of a ...

3.4 Subgrade California Bearing Ratio (CBR) 3.4.1 The CBR o f the subgrade shall be taken as that o f the layer (s) underlying within 1 m below the subgrade surface. 3.4.2 In the case of varying CBR within the 1 m depth of the subgrade, especially when soil stabilisation has been undertaken, the mean CBR is determined as follows : CBR =

Chemilink In-Situ rehabilitations for various pavements in ...

How is a CBR Test performed? The CBR test is performed by measuring the pressure required to penetrate a soil sample with a plunger of standard area. The measured pressure is then divided by the pressure required to achieve an equal penetration on a standard crushed rock material. The harder the surface, the higher the CBR value.

Standard Specification for Road Works

Using the "magic" formula Mr = 1,500 CBR, this implies a minimum CBR of about 17. Therefore your CBR = 12 appears quite low. Besides, 12% cement is really HIGH!!

CBR Test – Southern Testing

Using the "magic" formula Mr = 1,500 CBR, this implies a minimum CBR of about 17. Therefore your CBR = 12 appears quite low. Besides, 12% cement is really HIGH!!

KAWASAN UTARA KAWASAN TENGAH KAWASAN TIMUR …

ITEM DESCRIPTION OF WORKS POINT OF INSPECTION / TEST STANDARD/REQUIREMENT TOOLS / EQUIPMENT STAGE/ FREQUENCY TRADE : EARTHWORKS 3 Preparation of Road Formation level In-situ Density Test (Top 300 mm) JKR/SPJ/1988 - Cl 2.2.7 CBR Not less than 5% when compacted to 95% maximum dry …

highway 4.pptx - DCC3113 u2013 HIGHWAY TRAFFIC EN Topic 4 ...

Chemilink Approval under JKR Material List (JMAL). 2. In-Situ rehabilitation and "floating" semi-rigid platform effects Commonly, in road construction, the unsuitable in-situ soft soils or damaged crusher run materials need to be replaced by imported quarry (crusher run) materials as unbound base layer, but due to some

Chemilink In-Situ rehabilitations for various pavements in ...

CRUSHER RUN • Crusher run road base is commonly used by JKR (PWD) ... • Properties of materials: high durability, clean, no lump of clay particles or organic content • Achieve the testing requirement in B.S. 1377 for CBR test and Flakiness Index test in B.S. 812.

KANDUNGAN - JKR Kesedar

Chemilink Approval under JKR Material List (JMAL). 2. In-Situ rehabilitation and "floating" semi-rigid platform effects Commonly, in road construction, the unsuitable in-situ soft soils or damaged crusher run materials need to be replaced by imported quarry (crusher run) materials as unbound base layer, but due to some

What value of CBR is recommended for use of material as ...

Fig. (4.1, b) California bearing ratio (CBR-value, laboratory) of untreated compacted- and treated stabilized - soils with fly ash 0 10 20 30 40 50 60 70 0 4 8 12 162024 2832 36 40 Fly ash content (%) CBR-value (%) Tertiary clay 7 days Organic silt 7 days Weathered soil 7 days Fig. (4.1, c) California bearing ratio (CBR-value,

Road Construction Method Statement – Method Statement HQ

CBR should not be less than 25. See also: CBR Test Procedure; In coarse grain, aggregate retained by #10 sieve, %age of wear shall not be greater than 5%. The max dia of any particle shall not be greater than 2/3ed of the layer thickness of sub-base. Typical particle size distribution for the sub-base (granular) when will meet strength ...

What value of CBR is recommended for use of material as ...

Chemilink Approval under JKR Material List (JMAL). 2. In-Situ rehabilitation and "floating" semi-rigid platform effects Commonly, in road construction, the unsuitable in-situ soft soils or damaged crusher run materials need to be replaced by imported quarry (crusher run) materials as …

Soil Compaction Handbook - Multiquip Inc

the number of CBR test depend on the uniformity of soil but also on technical specifications for geotechnical works which you have in your country. For the design purpose (new road) we often use ...

pavement analysis - SlideShare

own unique requirements and controls both in the field and for testing purposes. Soil types are commonly classified by grain size, determined by passing the soil through a series of sieves to screen or separate the different grain sizes. [See Figure 3] Soil classification is categorized into 15 groups, a system set

Road Construction Method Statement – Method Statement HQ

Mar 16, 2017· CBR: Conduct on sample which remoulded at OMC and dry density. Test should be done per km depend on soil type. If CBR less than 2% for 100 mm thickness then minimum CBR of 10% is to be provided to the sub-base for CBR of 2%. If CBR more than 15%, no need to …

CBR TEST OF SOIL-10+ MOST IMPORTANT NOTES TO REMEMBER ...

Using the "magic" formula Mr = 1,500 CBR, this implies a minimum CBR of about 17. Therefore your CBR = 12 appears quite low. Besides, 12% cement is really HIGH!!

Pavement Design in Road Construction - Design Parameters ...

It is the ratio of force per unit area required to penetrate a soil mass with standard circular piston at the rate of 1.25 mm/min. to that required for the corresponding penetration of a standard material. The California Bearing Ratio Test (CBR Test) is a penetration test developed by California State Highway Department (U.S.A.) for evaluating the bearing capacity of subgrade soil for design ...