size of crushed stone for wbm

  • Material Required for Construction of WBM Road Civil Lead

    Generally, the layers in WBM are laid in 12 to 15 cm thickness. The total thickness may be up to 30 to 35 cm depending upon the design requirements. Each layer is compacted to 75 to 80% of its loose thickness by smoothed wheel roller. In WBM roads generally, camber is provided of the order of 1 in 36 to 1 in 48.

  • size of crushed stone for wbm

    The most common sizes of crushed stone is range from 3/8 crushed stone, 5/8 crushed stone, 3/4 crushed stone, 1 1/2 crushed stone, 2 1/2 crushed stone. Pea Stone & Driveway / Crushed Stone :

  • WBM road construction procedure Features Application

    Hard, crushed angular shaped crushed stones are used in WBM and the elongated and flaky rocks is extremely prohibited. The size of coarse aggregate use for WBM is generally should be in the range of 90mm-40mm for base course and if thickness extends 10cm.

  • Gravel Size Gradation Chart which stone to choose

    In the upper range of our stone sizing 4” down to 2” this covers products such as Rip Raps, Large Beach Pebbles, and Red Rock. Their weight makes them a sturdy and excellent decorative stone, especially for creating borders and outlining gardens and driveways. In the mid range of our stone sizing 2” down to 1/2”

  • WBM Road Material Required for Construction of WBM

    11/4/2020· Generally, the thickness of 75mm is given for the ordinary road, which is of a single layer. For the important roads, there are two layers of equivalent 150 mm compacted thickness is provided. If the coarse aggregates of grading number 1 are used then the layer is compacted to the thickness of 100 mm.

  • IS 6579 (1981): Coarse Aggregate for Water Bound Macadam

    0.2 Water bound macadam (WBM) is a common item for highway construction. The coarse aggregates, accounting for nearly three­ fourths of the volume and mass of WBM, may be said to be the main constituent. Many a time, an engineer-in-chargeis faced with the problem of selecting the coarse aggregate for WBM (rom several alternative materials available.

  • Vol. 5, Issue 5, May 2016 Analysis and Execution of WBM

    The thickness of the sub-base should not less than 150 mm for design traffic less than 10msa and 200mm for design traffic 10msa and above. Hence the cumulative standard axle load is 15.88 msa; therefore the sub-grade is 200mm.

  • Construction Procedure of WBM road, Advantages,

    The pavement of the base course made of crushed or broken aggregate mechanically interlocked by rolling and voids filled by screening and binding material with the assistance of water. The thickness of each compacted layer of WBM road ranges from 10cm to 7.5 cm depending on the size and the gradation of aggregates used.

  • size of crushed stone for wbm

    The most common sizes of crushed stone is range from 3/8 crushed stone, 5/8 crushed stone, 3/4 crushed stone, 1 1/2 crushed stone, 2 1/2 crushed stone. Pea Stone & Driveway / Crushed Stone :

  • Gravel Size Gradation Chart which stone to choose

    In the upper range of our stone sizing 4” down to 2” this covers products such as Rip Raps, Large Beach Pebbles, and Red Rock. Their weight makes them a sturdy and excellent decorative stone, especially for creating borders and outlining gardens and driveways. In the mid range of our stone sizing 2” down to 1/2”

  • WBM Construction Aggregate Road

    Required for 100 mm compacted thickness of WBM Sub-base Course per 10 m2 are given in Table:Coarse Aggregates. Screenings Crushable Type Stone Screenings Such as Moorum or Gravel. Size Loose Classificati Rang Quanti Grading on e ty (m3) Classifica (mm) tion & Size. Grading 1. 90 to 45. 1.21 to 1.43. Type A 13.2 mm. Loose Quantit y (m3) 0.27 to 0.30

  • size of crushed stone for hydropower

    Determining What Size Crushed Stone You Need For Your As you can see, each size of crushed stone has specific uses, so if you are unsure what you need, just ask! For more information or help in determining what size of crushed stone you need for your project, contact us at 917-912-2900.

  • Construction of WBM Road Ques10

    Binding material consisting of fine grained material passing 0.425 mm sieve is used in WBM construction to prevent raveling of the stones. Kankar nodules or lime stone dust may also be utilized if locally available. The binding material with plasticity index value 4 to 8 is used in WBM

  • Vol. 5, Issue 5, May 2016 Analysis and Execution of WBM

    The thickness of the sub-base should not less than 150 mm for design traffic less than 10msa and 200mm for design traffic 10msa and above. Hence the cumulative standard axle load is 15.88 msa; therefore the sub-grade is 200mm.

  • Highway Engineering Practices and Comparison of

    4/8/2013· Stone aggregates used in WBM is larger in size which varies from 90 mm to 20 mm depending upon the grade but in case of the WMM, size varies from 4.75 mm to 20 mm.

  • Stone, crushed volume to weight conversion

    About Stone, crushed; 1 cubic meter of Stone, crushed weighs 1 602 kilograms [kg] 1 cubic foot of Stone, crushed weighs 100.00959 pounds [lbs] Stone, crushed weighs 1.602 gram per cubic centimeter or 1 602 kilogram per cubic meter, i.e. density of stone, crushed is equal to 1 602 kg/m³.In Imperial or US customary measurement system, the density is equal to 100.0096 pound per cubic foot

  • WBM Road : Construction Procedure, Advantages and

    Total number of layers and thickness of WBM road depends upon the details of design pavement. In general for ordinary roads, single layer of compacted thickness 75 mm may be sufficient. For special roads, 2 layers of 150 mm each compacted thickness may be provided.

  • Granular Sub base (GSB) specifications, GSB Grading, layer

    The type and grade of bitumen to be used would depend upon the climatic condition and the traffic. Selection criteria of viscosity graded (VG) paving bitumens based on climatic conditions B- Coarse Aggregate It consist of crushed rock,crushed gravel or other hard material retained on 2.36 mm sieve.