آخرین محصولات

RCC cost per cubic feet/ cubic meter/ sq ft

Suppose we have 1000 sq ft area of slab of 5″ thick, using M20 grade of concrete with mix ratio 1: 1.5: 3, in which 1 part is cement, 1.5 part is sand and 3 part is aggregate.

International Concrete Abstracts Portal

Title: Seismic Evaluation of Column-to-Beam Strength Ratios in Reinforced Concrete Frames Author(s): Kara L. Dooley and Joseph M. Bracci Publication: Structural Journal Volume: 98 Issue: 6 Appears on pages(s): 843-851 Keywords: joint; reinforced concrete; strength. DOI: 10.14359/10751 Date: 11/1/2001 Abstract: Previous research efforts have …

CHAPTER 19 CONCRETE

Codes / Pakistan / 2021 Building Code of Pakistan ... 19 provides minimum accepted practices for the design and construction of buildings and structural components using concrete—both plain and reinforced. ... 10.3.1.1 — Maximum reinforcement ratio design of cross sections subject to flexure or axial loads, ...

Study on Pore Characteristics of Micro Concrete Based …

Title: Study on Pore Characteristics of Micro Concrete Based on Different Mixing Ratios Author(s): C. Jin, N. Jiang, H. Li, C. Liu, A. Cao, J. Wang, and X. Wen Publication: Materials Journal Volume: 121 Issue: 3 Appears on pages(s): 17-28 Keywords: fractal dimension; porosity; recycled micro powder DOI: 10.14359/51740703 Date: 5/1/2024 Abstract: The use of …

General and Technical Specifications for (Buildings, …

Section 5 Plain and R einforced Concrete 5-1 – 5-46 5.1 Scope 5-1 5.2 Plain and Reinforced Cement Concrete 5-1 5.3 Concrete Form Work 5-37 5.4 Precast Cement Concrete 5-40 5.5 …

Concrete Footing Size Calculator

What is the ratio of concrete to footings? A common ratio is: 1 : 2 : 3. This represents: 1 part cement; 2 parts sand; 3 parts gravel; For a footing measuring 1 m × 1 m × 0.3 m (0.3 cubic …

(PDF) The Effect of Water-Binder Ratio and RHA on the …

In Pakistan, rice husk is being used as a food additive, and sometimes the by-product of rice husk is used in kilns as fuel. The rice husk used as fuel in kilns and other places generates huge amounts of RHA with no useful application. ... Results of Plain and RHA Concrete at 0.50 w/c Ratio The results of the tensile strength test of the ...

CHAPTER 19 CONCRETE

Nonstructural concrete shall have a minimum specified compressive strength, f´ c, of 2,500 psi (17.2 MPa) for Class F0; 3,000 psi (20.7 MPa) for Class F1; and 3,500 psi (24.1 MPa) for …

Classes of concrete (NHA general specifications, 1998)

Download scientific diagram | Classes of concrete (NHA general specifications, 1998) from publication: Economic geology of the carbonate rocks from Mesozoic Alpurai group, Peshawar basin, Pakistan ...

A comparative Analysis of Compressive Strength of …

Available in Pakistan Muhammad Muneer School of Civil Engineering, Chang'an University, Xian 710064,, China; ... used different brands of Portland cement to make concrete in 1:2:4 and 1:3:6 mix ratios, with curing times of 3, 7, 14, 21, and 28 days, respectively. No additives were employed in the

Concrete Mix Ratio: Ultimate Guide for Builders & DIY …

In order to create a durable concrete mix, it's essential to understand the basics of the concrete mix ratio. Simply put, a mix ratio refers to the proportion of different ingredients that are used to create concrete, including cement, sand, and aggregate. Basics of concrete mix ratio. First, let's discuss what a mix ratio is.

How to Calculate Rate Analysis For Concrete 1:2:4?

Here I am doing the total material cost calculation for the 1-meter cube of concrete of ratio 1:2:4 Cement = 1.57/(1+2+4) = 1.57/7 =0.22cum x 28.8 = 6.336 bags. Sand = 0.22 x 2 = 0.44 cum

Concrete grade: M25, M20, M15, M10 & M7.5, meaning, …

M20 concrete grade means, M refers to concrete mix, and numerical figure 20 represents its characteristics of compressive strength (fck) @28 Days curing that is 20MPa when tested with 15cm × 15cm × 15cm cube. It is prepared by taking mix ratio 1:1.5:3 (1 cement : 1 1/2 Sand : 3 …

5 Types of Concrete Used in Construction in Pakistan

Concrete differ based on their strength, texture, and mix ratio. Here's how to decide the type of concrete for your construction.

Ductility And Reinforcement Ratio

Rho-b is the steel reinforcement ratio at which both steel and concrete reach their ultimate load carrying capacity simultaneously. In case provided steel ratio is MORE than rho-b, beam failure will be through failure of concrete in compression (non-ductile design). ... Pakistan. Phone: 2-261261 Ext:2605 Email: rafi-m@neduet.edu.pk. 1 ...

MIX Design of 3000 PSi Concrete in Pakistan

MIX Design of 3000 PSi concrete in Pakistan - Free download as PDF File (.pdf) or read online for free. MIX Design of 3000 PSi concrete in Pakistan

EFFECTS OF CLAY ON PROPERTIES OF CONCRETE

Pakistan. Its specific gravity is 3.15 and Blaine Fineness is 3,100 cm2/g. A natural sand with ... It was observed that water permeability of concrete increase with W/C ratio for constant clay content and mix ratio. It was also found form the Figures 12 to

The Plasticity Ratio of Concrete and It's Effect on the …

Title: The Plasticity Ratio of Concrete and It's Effect on the Ultimate Strength of Beamse Author(s): V. P. Jensen Publication: Journal Proceedings Volume: 39 Issue: Appears on pages(s): 565-584 Keywords: DOI: 10.14359/8644 Date: 6/1/1943 Abstract: The hypothesis is advanced that the stress-strain diagram for concrete under short-time loading may be idealized for …

FCCL.PK | Fauji Cement Co. Ltd. Financial Statements

Fauji Cement Co. Ltd. balance sheet, income statement, cash flow, earnings & estimates, ratio and margins. View FCCL.PK financial statements in full.

what are the correct CONCRETE MIXING RATIOS

One of the best mixture ratios for a concrete slab is 1 : 3 : 3 (cement : sand : stone), this will produce approximately a 3000 psi concrete mix. This mixing ratio is excellent for a shed slab, but it's also good for most …

PS:232-2015 (R)

This Pakistan Standard PS 232: 2013 (R) defines and covers the requirements for composition, manufacture, mechanical, physical, chemical properties and marking of Ordinary Portland …

Cement Concrete Calculator IS 456

Calculate cement concrete mix design or estimate how much cement concrete volume is required for your construction using our free online calculator. Know exactly how many bags, kg and ton of cement, sand and aggregate is needed …

Aggregates, Elastic-Modulus, and Poisson's Ratio of Concrete

Contact Us. Staff Directory. ACI World Headquarters 38800 Country Club Dr. Farmington Hills, MI 48331-3439 USA Phone: 1.248.848.3800 Fax: 1.248.848.3701

Concrete Design

Hello every one I have recently faced a problem in Etabs 2016. after designing a building and displaying: design -> concrete frame design -> display design info -> design output -> column P-M-M interaction ratio I find that in some columns, the ratio that is …

Art of Balancing the Conflicting Requirements

The most important factor governing the strength and durability of concrete is its water-to-cement ratio (w/c). All time dependent phenomena like creep, shrinkage and elastic …

How to Calculate the Quantity of Water for a Concrete Mix …

The water-cement ratio is a crucial factor that determines the strength and workability of concrete. It can vary based on the desired concrete properties and local conditions. For general-purpose concrete, a common W/C ratio is 0.5. W/C Ratio = 0.5 (for general-purpose concrete) Step 3: Calculate the Mass of Water (M_w)

Concrete Calculator

Concrete can be purchased in multiple forms, including in 60 or 80-pound bags, or delivered in large amounts by specialized concrete mixer trucks. Proper mixing is essential for the production of strong, uniform concrete. It involves mixing water, aggregate, cement, and any desired additives. Production of concrete is time-sensitive, and the ...

Effect of Superplasticizers to Enhance the Properties of Concrete

Concrete mixes with SP dosages of 0.8%, 1% and 1.2% by weight of cement were prepared along with a control mix (wa-ter/cement ratio of 0.55). After casting, the concrete samples underwent normal ...

Concrete Footing Size Calculator

What is the ratio of concrete to footings? A common ratio is: 1 : 2 : 3. This represents: 1 part cement; 2 parts sand; 3 parts gravel; For a footing measuring 1 m × 1 m × 0.3 m (0.3 cubic meters): Calculate material quantities:

Minimum Reinforcement Ratio!!!

Some of the observations made during extraction of results from ETABS (v 9.7.4), for design of reinforced concrete members, are being share in this article., 1) Minimum Eccentricity ETABS always considers the minimum eccentricity for selecting the design moment of columns irrespective of the probable behavior of the column, whether short or ...