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  • Exposed Aggregate Concrete Sieve
    Product Model : ZCT205M-LPS-7205
    Measuring Range : ±5 ° ( ±10 °)
    Output : Current(0~20mA)
    Power: Voltage(12~36V)
    Measuring Axis : Dual Axis
    Repeatability: ±0.05°%FS
    Accuracy : 0.005°-0.01°
    Non Linearity : ±0.1 %/FS
    Application : Others
    IP Degree : IP67
    Shell Size : 90 * 54 * 39 mm

    7 Lab Tests on Aggregates to Make Better Concrete for

    Place the mould in the aggregate impact testing machine and administer 15 numbers of blows of a metal hammer. After that, remove the crushed aggregate and sieve it through a 2.36 mm sieve. The aggregate impact value is measured as % of aggregates passing through the 2.36mm sieve (W2) to the total weight of the sample (W1).


    aggregate passing through 40mm of IS sieve and retain on 20mm of IS sieve was termed as Type-I and the fraction of coarse aggregate passing through 20mm of IS sieve and retained on 4.75mm of IS sieve was Type-II. Fly ash: The fly ash was directly obtained from Bandel near Kolkata. The chemical composition of fly ash is shown in Table-1 below.

    How to Mix Exposed Aggregate Concrete

    Jul 17, 2017 · An exposed aggregate finish gives a surface a unique, ornamental look without taking away from its strength and durability. Many types of concrete have aggregate, or small stones, mixed in to help hold the mixture together as a solid surface.

    Wet sieve analysis of fresh concrete

    Introduction The main objective of the fresh concrete analysis is the determination of the cement content in the mix. It is not possible to completely separate the cement from the aggregate in the wet sieve analysis. Aggregate fines pass through a fine sieve while the coarse cement grains remain together with the washed aggregate.

    Shrinkage of High-Strength Lightweight Aggregate Concrete

    Shrinkage of High-Strength Lightweight Aggregate Concrete Exposed to Dry Environment by Min-Hong Zhang, Lian Li, and P. Paramasivam ... Sieve size, mm % passing Sieve size, mm % passing 14.0 100.0 ...

    Aggregates for Concrete

    The important characteristics of aggregates for concrete are listed in Table 5-2 and most are discussed in the following section: Grading Grading is the particle-size distribution of an aggregate as determined by a sieve analysis 80

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    Using Gap-Graded Aggregate| Concrete Construction Magazine

    Usual gap-graded mixes contain aggregate retained on a 3/4- or 1 1/4-inch sieve, and particles passing the No. 4 sieve. Gap-graded mixes are used to obtain uniform textures for exposed-aggregate concrete and can also increase strength and reduce creep and shrinkage.

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    How To Do Sieve Analysis Of Aggregate

    2014/12/12 · When I was working in a concrete batching plant before, I was the one who is managing all the tests as per plant quality control procedures like checking the moisture content of aggregates, flakiness index and elongation index, pH value of water and many more. The most important test is the sieve analysis of aggregate, whether it is 20 mm, …

    Concrete Aggregates

    Coarse Aggregate is normally greater than 5mm. Fine Aggregate is aggregate less than 5mm. Can be a single sized material typically 20mm, 14mm, 10mm,or 7mm or a graded aggregate consisting of a blend of single sized aggregate. Concrete Aggregates are produced to Australian Standards (AS 2758) or to more specific customer requirements.

    What is Crushed Aggregate? (with pictures)

    Apr 07, 2020 · When put through a separator or aggregate washer, coarse crushed aggregate will pass through a 3-inch (7.62-cm) sieve but will not go through a No. 4 sieve. Fine crushed aggregate will pass through a No. 4 sieve but will be stopped by a No. 200 sieve during the aggregate screening process.

    Exposed Aggregate Concrete

    Exposed aggregate concrete refers to the various types of aggregates (materials) that appear in the concreting mix to create unique looks and styles and perfect for any interior or exterior project. Exposed aggregates appear in both polished concreting adding texture ...

    Section 305 Dense-Graded Base

    Section 305 Dense-Graded Base 305.1 Description (1) This section describes constructing a dense-graded base using one or more of the following aggregates at the contractor's option: Crushed stone Reclaimed asphalt Crushed gravel Reprocessed material Crushed concrete Blended material 305.2 Materials 305.2.1 General

    How to Pour Exposed Aggregate Concrete (with Pictures)

    Oct 12, 2019 · How to Pour Exposed Aggregate Concrete. This article is helpful to anybody who wants to pour exposed aggregate concrete at home or for commercial use. It will explain the proper procedure and list all the necessary materials.

    Exposed aggregate mixed, PBR textures seamless

    Exposed aggregate concrete tile PBR textures seamless 21763 Exposed aggregate concrete PBR textures seamless 21762 Share on: Total Pageviews: 231.609.063 About Sketchup Texture Contact us FAQ FOLLOW AND Visit ...

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    S.I. No. 354/1949 - Standard Specification (Coarse and Fine

    (v) A fine aggregate intended for use in medium and lean concrete shall contain not less than 2 per cent. of material passing the No. 100 test sieve. (vi) In order to control the grading of fine aggregate from any one source a preliminary sample shall be submitted before actual deliveries are made.

    gradation of aggregate for concrete block

    The Effect of Aggregate Properties on Concrete. Aggregate is classified as two different types, coarse and fine. Coarse aggregate is usually greater than 4.75 mm (retained on a No. 4 sieve), while fine aggregate is less than 4.75 mm (passing the No. 4 sieve). The compressive aggregate strength is an important factor in the selection of aggregate.

    Aggregates - Portland Cement Association

    In general, if the water-cement ratio is chosen correctly, a wide range in grading can be used without a major effect on strength. When gap-graded aggregate are specified, certain particle sizes of aggregate are omitted from the size continuum. Gap-graded aggregate are used to obtain uniform textures in exposed aggregate concrete.


    CHAPTER 3 - PHYSICAL PROPERTIES OF STRUCTURAL LIGHTWEIGHT AGGREGATE 3.0 Introduction This chapter provides definitions, basic physical properties, ASTM Standards and Specifications. The methodology for determining the fractional parts of an aggregate particle, pores versus solids and interstitial voids in the bulk volume are shown. How

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    Exposed Aggregate Concrete Solutions

    READY Exposed concrete combines the strength, durability and affordability of concrete with the natural beauty of New Zealand’s spectacular riverbeds. Allied Concrete's range consists of a number of different locally sourced mixes that create their own natural look using different colour and sized pebbles. Suitable for driveways, patios, paths and pool …

    Reclaimed Concrete Material - Material Description

    Reclaimed concrete material can be used as an aggregate for cement-treated or lean concrete bases, a concrete aggregate, an aggregate for flowable fill, or an asphalt concrete aggregate. It can also be used as a bulk fill material on land or water, as a shore line protection material (rip rap), a gabion basket fill, or a granular aggregate for ...

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    On Aggregate Grading - National Ready Mixed Concrete Association

    combined aggregate had almost the same or higher void content as NWG combined aggregate. COnCrete perfOrmAnCe We next worked with Titan America Technical Services We also performed column segregation tests (a modified and Heidelberg/Lehigh Research Facility to investigate the effect of aggregate grading on concrete performance.

    Exposed Aggregate Concrete Sieve

    More Exposed Aggregate Concrete Sieve images


    CHAPTER 1 COMPONENTS OF CONCRETE Concrete is made up of two components, aggregates and paste. Aggregates are generally classi! ed into two groups, ! ne and coarse, and occupy about 60 to 80 percent of the volume of concrete. The paste is composed of cement, water, and entrained air and ordinarily constitutes 20 to 40 percent of the total volume.

    Technical Parameters:

    Technical Specifications:(Unless otherwise specified, the following parameters are typical values at room temperature 25 ℃)

    Parameter Condition Min. Typical Max. Unit
    Operating Parameters Power Supply Voltage① 12 36 V(DC)
    Quiescent current 24V power supply 25 30 mA
    Working temperature -40 85
    Performance Parameters Measurement range② -5.75 5.75 °
    Non- linearity③ VCC=24V
    Load resistance =200Ω
    ±0.1 %/FS
    Sensitivity 1.3827 1.3913 1.3999 mA/°
    Zero-point temperature drift -40 ~ +86-21-63353309"> ±0.002 ±0.004 °/℃
    Cross-axis sensitivity ±0.2 ±0.3 %
    Load resistance VCC=24V 600 Ω
    Zero-point output 11.713 12 12.287 mA
    Others Dimension 85*70*40 mm
    Cable length④ 0.4 0.5 0.6 m

    Remark 1 : The power supply has reverse connection protection. To ensure the product works normally, the power supply voltage should be within the allowable range. The recommended working voltage is 24 V.

    Remark 2 : The product should be installed horizontally.

    Remark 3 : Non-linearity indicates the deviation between the output curve and the best fitting line within the measurement range of the sensor.

    Remark 4 : Default cable length is 0.5 meters. If other cable length required, should specify it on PO.

    Wire connection definition:

    Pin Function Color
    1 Power supply positive pole BN(Brown)
    2 Y-axis output current WT(White)
    3 Power supply negative pole BU(Blue)
    4 X-axis output current BK(Black)
    5 GND GY(Grey)

    Working state and wire connection illustration

    System Components:


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