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HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

Jaw Crusher PE

Jaw Crusher PE

Jaw crusher is driven by a motor, and the moving jaw moves up and down via eccentric shaft. The angle between fixed jaw and moving jaw becomes smaller when the moving jaw runs down, then the materials are crushed into pieces. It will become bigger whe

HPT Hydraulic Cone Crusher

HPT Hydraulic Cone Crusher

Base on the latest technology and decades of years’ producing experience, Our Company designed the HPT series cone crusher. It has excellent crushing efficiency and good hydraulic control system. Now the HPC series cone crusher has wide application

HST Hydraulic Cone Crusher

HST Hydraulic Cone Crusher

HST Single Cylinder Hydraulic Cone Crusher is a new high-efficiency cone crusher independently researched, developed and designed by SBM through summarizing over twenty years of experience and widely absorbing advanced American and German technologies

CI5X Series Impact Crusher

CI5X Series Impact Crusher

CI5X Impact Crusher breaks materials with impact force. When materials enter the working area of hammer, they may be crushed under the high-speed shock and then thrown onto the impact device above the rotor for another crushing. Next, materials bounce

VSI6X Series Vertical Crusher

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, SBM, a Chinese professional sand maker manufacturer, further optimizes the structure and function of tr

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

bitumen specifications for roads

Bitumen Specifications- Bitumen Specifications and

Petroleum Bitumen Specifications 1) Penetration degree: Penetration test is used to determine bitumen hardness. In this test, a standard needle under the influence of a 100 -gram load penetrates into bitumen at 25 ° C for 5 seconds. The penetration

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Specification for Bituminous Macadam

Standard Specification for paving bitumen, IS:73. The grade of bitumen to be used would depend upon the climatic conditions and the traffic. Guidelines for selection of viscosity grade of paving grade bitumen are given in Tables 1.1 and 1.2. [Comments: BM is an un-designed, recipe type mix used for low traffic roads

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STANDARD CONSTRUCTION SPECIFICATIONS FOR ASPHALT

The asphalt required by these Specifications shall conform to the requirements of The Asphalt Institute for the type and grade shown below: Asphalt for Seal Coating CRS-2 or CRS-2P Article 2.3 Cover Aggregate A. General Cover aggregate shall consist of crushed gravel and shall be sound, durable, free

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NRA Specification for Road Works Series 900 Road Materials

NRA INTERIM ADVICE NOTE 10/14 SPECIFICATION FOR ROAD WORKS SERIES 900 December 2014 1 NRA Interim Advice Note 10/14 NRA Specification for Road Works Series 900 Road Pavements Bituminous Materials Contents Chapters 1. General Requirements and Definitions 2. Preparatory Work 3. Asphalt Concrete Products 4. Hot Rolled Asphalt Products 5.

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Road Standards and Paving Standards ASTM International

ASTM's road and paving standards provide the specifications and test methods pertinent to the material, physical, mechanical, performance, and application requirements of road surfaces and pavements. These geotechnical surfaces are laid down on specified areas intended to sustain either or both foot and vehicular traffic.

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QA specifications Specifications Roads and Maritime

Specifications related to roadworks QA on Roads and Maritime projects. Specifications related to roadworks QA on Roads and Maritime projects. R107 Sprayed Bituminous Surfacing (with Polymer Modified Bitumen) download pdf (283Kb) R109 Bituminous Slurry Surfacing.

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Surfacing specifications Waka Kotahi NZ Transport Agency

This specification sets out the performance characteristics to be met by the binders used for asphalt manufacture. It supersedes M01-A: 2016 ‘ ‘Performance Specification for Asphalt Binders’. This specification is blind to the binder composition and so encompasses straight bitumen and polymer modified binders.

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Standard Specifications for Road and Bridge Construction

STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION 1. POLICY It is the policy of the Department of Transportation to set standards for the performance of road and bridge construction. 2. PERSONS AFFECTED This policy affects the Division of Highways. 3. PURPOSE The purpose of this policy is to provide for the publication of a book prescribing

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2019 Standard Specifications for Road and Bridge

Jan 15, 2021 The Standard Specifications are available only in electronic format on the Department’s website. Updated 2019 Standard Specifications for Road and Bridge Construction . Note: Includes all following BDC's BDC20S-15 (January 15, 2021) BDC20S-14 (October 9, 2020) BDC20S-11 (October 2, 2020) BDC20S-13 (September 21, 2020) BDC20S-10 (September 11

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Bituminous Road : Types & Construction Procedure

In the construction of bitumen carpet road the recommended bitumen binder is 80/ 100 grade and the tar required should be of grade RT-3. The stone chippings required for 2 cm carpet thickness should be 12 mm and 10 mm. Below table should the requirement that should be

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Bitumen Penetration Grade 60/70, Specification of Bitumen

Bitumen Penetration Grade 60/70. Description of Bitumen 60/70. Bitumen penetration grade 60/70 is semi-hard penetration grade bitumen using as paving grade bitumen suitable for road construction and repair conjointly for the production of asphalt pavements with below technical specifications. This grade of bitumen is mainly used in the manufacture of hot combine asphalt for bases and wearing

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4 DIFFERENT FORMS OF BITUMEN USED IN ROAD CONSTRUCTION

Apr 08, 2016 Bitumen treated with these modifiers is known as modified bitumen. Polymer modified bitumen (PMB)/ crumb rubber modified bitumen (CRMB) should be used only in wearing course depending upon the requirements of extreme climatic variations. The detailed specifications for modified bitumen have been issued by IRC: SP: 53-1999.

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14 road-construction bitumens characteristics -4

Ageing of polymer modified bitumen is a little more complex than standard bitumens as we have to take account of what is happening to the polymer units themselves. Not only does the bitumen date of ageing, increasing the asphaulting levels, but also the polymer units undergo oxidation and can begin to fracture.

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SECTION 407 VicRoads

Bitumen supplied from interstate is usually transported by road tankers (minimum volume of 22,000 litres) which allows approximately 440 tonnes of asphalt to be produced from a single tanker load. For smaller jobs or where less than 440 tonnes of asphalt is required and/or when supplies of multigrade binder cannot be guaranteed, it may not be

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Specification Databases Asphalt Institute

» Specification Databases Serving the needs of liquid asphalt manufacturers and suppliers worldwide since 1919. US State Binder Specification Database US State Emulsion Specification Database Canadian Province Binder Specification Database.

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Standard Specifications (FP-14) FHWA

The Standard Specifications for the Construction of Roads and Bridges on Federal Highway Projects (FP) is issued primarily for constructing roads and bridges on Federal Highway projects under the direct administration of the Federal Highway Administration. It is also used by the U. S. Forest Service and other Federal agencies on their projects.

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Surfacing specifications Waka Kotahi NZ Transport Agency

This specification (version 6) and notes (version 4) cover dense graded and stone mastic asphalt for roads and related applications. It covers areas including asphalt materials, asphalt mix design requirements, process control in manufacture and placement of asphalt, acceptance criteria for asphalt, quality systems, minimum process standards

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STANDARD SPECIFICATIONS FOR ROADS AND STRUCTURES

When this publication, entitled Standard Specifications for Roads and Structures, dated January 2018, is incorporated by reference into the Department’s construction bid proposals or contracts; it is made a part of that document and shall be known as the Standard Specifications .

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2019 Standard Specifications for Road and Bridge

Jan 15, 2021 The Standard Specifications are available only in electronic format on the Department’s website. Updated 2019 Standard Specifications for Road and Bridge Construction . Note: Includes all following BDC's BDC20S-15 (January 15, 2021) BDC20S-14 (October 9, 2020) BDC20S-11 (October 2, 2020) BDC20S-13 (September 21, 2020) BDC20S-10 (September 11

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Asphalt for highways and footways Tarmac

Our asphalt solutions and expert contracting or technical teams are ready to support your project specification or installations. Asphalts for more sustainable roads Innovative asphalts for more sustainable road construction and maintenance.

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Penetration grade bitumen: An Ideal Bitumen for Road

Here is bitumen 60/70 specification table by Infinity Galaxy, a global bitumen supplier: What are the Applications of Penetration Bitumen 60/70? The main application of bitumen grade 60/70 is in road construction. For paving roads in various regions, they blend bitumen 60/70 with aggregates to form hot mix asphalt.

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Mastering bitumen for better roads and innovative

Mastering bitumen for better roads and innovative applications 4.7. stars. 1,013 ratings • 253 reviews Its a good course covering information about bitumen market, its specifications, properties, safety and much more. I would recommend this course to students and people working in road

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NRA Specification for Road Works Series 900 Road

NRA INTERIM ADVICE NOTE 10/14 SPECIFICATION FOR ROAD WORKS SERIES 900 December 2014 1 NRA Interim Advice Note 10/14 NRA Specification for Road Works Series 900 Road Pavements Bituminous Materials Contents Chapters 1. General Requirements and Definitions 2. Preparatory Work 3. Asphalt Concrete Products 4. Hot Rolled Asphalt Products 5.

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Specification for Road Works Series 900 Road Pavements

(ix) IS EN 12591 Bitumen and bituminous binders Specifications for paving grade bitumens (x) IS EN 14023 Bitumen and bituminous binders Specification framework for polymer modified bitumens (xi) IS EN 13808 Bitumen and bituminous binders Framework for specifying cationic bituminous emulsions

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Bituminous Road : Types & Construction Procedure

In the construction of bitumen carpet road the recommended bitumen binder is 80/ 100 grade and the tar required should be of grade RT-3. The stone chippings required for 2 cm carpet thickness should be 12 mm and 10 mm. Below table should the requirement that should be

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IS 8887 (2004): Bitumen Emulsion for Roads (Cationic Type)

Specification for bitumen emulsion for roads (anionic type) (jirst revision) 3 TERMINOLOGY For the purpose of this standard, the definition given in IS 334 and the following shall apply. 3.1 Cationic Emulsion An emulsions in which the cation of the emulsifier is at the interface of the bitumen

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Types of Bitumen -Properties and Uses in Pavement & other

The BS 434: Part 1 and BS EN 13808 gives the specification for the viscosity of road emulsions. Polymer Modified Bitumen. Polymer modified bitumen is the type of bitumen obtained by the modification of strength and the rheological properties of the penetration graded bitumen. Here for this 2 to 8% of polymer is added.

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VG 10 ‌Bitumen, VG 30 Bitumen, VG 40 Bitumen; Means and

VG 10 bitumen means that your bitumen is also suitable for paving roads in a very cold and cold climate instead of the old 80/100 penetration grade. The air temperature that matches VG10 bitumen ranges from -10 0 C to 25 0 C. Due to the high temperatures in hot climatic zones, the application of VG10 cannot provide desirable rutting resistance .

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Pavement materials: Bitumen

Bitumen treated with these modifiers is known as modified bitumen. Polymer modified bitumen (PMB)/ crumb rubber modified bitumen (CRMB) should be used only in wearing course depending upon the requirements of extreme climatic variations. The detailed specifications for modified bitumen have been issued by IRC: SP: 53-1999.

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Bitumen 60/70 Bitumen Energy Group

Bitumen penetration grade 60/70 is semi hard penetration grade bitumen used as a paving grade bitumen which is suitable for road construction and repair. It is also used for the production of asphalt pavements with the below technical specification. This grade of bitumen is mainly used in the manufacturing of hot mix asphalt for bases and wearing courses.

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Technical specification road work Bitumen macadam and

Aug 06, 2017 Bitumen macadam and bitumen concrete

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US State Binder Specifications Asphalt Institute

Description: The Asphalt Institute and PRI Asphalt Technologies have collaborated to develop this binder specification database. Available below (as downloadable pdf files) are individual documents for each of the 50 State highway agencies which summarize their respective asphalt binder specifications.

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Highway Maintenance Specifications

Specification 51.1 Definitions & Interpretations Department of Works October 2017 51.1.2.26 HERBICIDE A chemical formulation for control and eradication of vegetation and weeds. 51.1.2.27 HOT MIX ASPHALT A hot mixed homogeneous blend of bitumen, aggregates, sand, and mineral fillers produced at an approved asphalt plant.

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European Standards For Asphalt Agg-Net

BS 594987 Asphalt for roads and other paved areas specification for transport, laying and compaction and design protocols. This new standard replaces Parts 2 of BS 498711 and BS 59412 and covers all the EN 13108 asphalt mixtures found in PD 6691.

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15 Bituminous product standards /Understanding European

In conclusion, in Europe, paving grade bitumen is specified according to EN 12591 specification, unable to differentiate between the different grades of bitumen. So far EN 12591 paving grade specification is based on empirical characteristic, penetration, and softening point.

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Design of foamed bitumen layers for roads

Design of foamed bitumen layers for roads Page 2 of 10 AustStab Workshop on Road Stabilisation in QLD February, 2005 Some prior foamed bitumen projects have been shown to form shrinkage cracking and reflection cracking from the subgrade, and this is also a form of distress that needs to be addressed in the design model.

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Basics of Prime Coat and Tack Coat in Road Construction

Dec 20, 2018 Types of material used as Prime Coat: Cut Back Asphalt or Emulsified Asphalt (Diluted) Application Rates: Cut Back Asphalt: 0.65 to 1.75 Litres / Sqm; Emulsified Asphalt: 2.3 to 6.8 Litres / Sqm; Lower application limit pertains to CABC which is very tight and has high fines content while upper limit pertains to highly porous CABC.

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