Footing Bar Bending Schedule (BBS) – Estimation of Steel Quantity
The Constructor
OCTOBER 19, 2018
Bar bending schedule (BBS) of an concrete footing provides the reinforcement details and the total steel quantity required for the footing.
ADVANTAGES OF BAR BENDING SCHEDULE
The Constructor
NOVEMBER 18, 2014
Bar bending schedule provides details of reinforcement cutting and bending length. Advantages of bar bending schedule when used along with. Concrete Technology How To Guide Reinforcement Guide reinforcement Reinforcement Estimation'
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BAR BENDING SCHEDULE FOR RCC BEAM
The Constructor
DECEMBER 11, 2014
Bar bending schedule provides the reinforcement calculation for reinforced concrete beam. How To Guide Reinforcement Guide Bar Bending Schedule RCC reinforcement Reinforcement Estimation' It provides details of reinforcement cutting length, type.
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Bar Bending Schedule(BBS)of Footing – Estimation of Steel Quantity
The Constructor
OCTOBER 19, 2018
The bar bending schedule(BBS) of an R.C.C footing provides the reinforcement details and the total steel quantity required for the footing.
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8 essential steps for effective project cost estimation and budgeting
Fieldwire
MARCH 5, 2024
Estimating project costs correctly and managing the budget accordingly are just as vital. All subcontractors make project cost estimation and budgeting errors. Follow these eight essential steps to estimate project costs and budget funds effectively to prevent grave miscalculations. Digital data lends itself to analytics.
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Have a beer on Viewpoint at World of Concrete, 2018
Viewpoint Construction Technology
JANUARY 8, 2018
Stop by the Viewpoint booths at World of Concrete for beer & demos! If you plan to be at World of Concrete in Las Vegas we hope you’ll stop by Viewpoint booths # C3302 & # C3308. Why should you visit Viewpoint’s booth at World of Concrete? Don’t miss the Field Time demo scheduled daily at 1:00 p.m.
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What Is Estimation of Residential Building | Types of Estimation for Residential Building
CivilJungle
MARCH 4, 2022
What Is Estimation of Residential Building? Estimation of a residential building is basically a “ Bottoms Up” or “Prime Cost” which performed an analysis in detail and finally produce a product. Estimation actually calculates all the necessary values with a lower rate and higher amount, this method helps the owner.
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What Is Estimate | Types of Estimate |Requirement Data for Estimation |Advantage of Estimate | Disadvantage of Estimate | Types of Cost Estimation
CivilJungle
FEBRUARY 5, 2021
What Is Estimate? The estimated or anticipated cost of the project is an estimate that is commonly calculated well before the project is taken up. The main goal of estimation is to encourage us to always understand the cost of work prior. Appropriate estimation is planned by detailed estimation in specific item wise.
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Bar Bending Schedule - Importance | advantages | Preparation
Civil Lead
JANUARY 23, 2020
What is Bar Bending Schedule (BBS)? Bar bending schedule is a list of reinforcement bars in a tabular form giving the particulars of bars, the shape of bending with sketches, length of each, total length and total weight. Usually, for each type of RCC work a schedule of bars is usually prepared. Lintel, Slab - 0.7 Beams - 1.0
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STRUCTURAL USES OF PRECAST CONCRETE
The Constructor
MARCH 25, 2012
Use of Precast Concrete in frames: There are two main types of precast building frame. Use of Precast Concrete for Floors: Each year the industry makes about 5 million square meters of precast floor slabs. Structural frames are mainly used for offices, car parks and retail developments.
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TYPES OF CRACKS IN CONCRETE BEAMS
The Constructor
NOVEMBER 8, 2011
Cracks in concrete beams due to increased shear stress 2. Cracks in concrete beams due to corrosion or insufficient concrete cover 3. Cracks parallel to main steel in case of corrosion in beams 4.
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REINFORCEMENT COVER AND PRE-CONCRETE CHECKS
The Constructor
MARCH 20, 2012
When the formwork is erected the concrete can be poured. When the concrete has reached the required strength the formwork can be poured. If the steel had been placed too close to the surface and the concrete had been poured then over time the steel may become exposed to moisture and corrosion will commence.
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TEMPERATURE EFFECTS ON CONCRETE
The Constructor
MARCH 21, 2012
The size of movement depends upon the change in temperature and the coefficient of thermal expansion o f concrete. The size of movement depends upon the change in temperature and the coefficient of thermal expansion o f concrete.
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BENEFITS OF USING STEEL FIBRES IN CONCRETE
The Constructor
JANUARY 1, 2012
The benefits of using steel fibres in concrete are as follows: 1. It is generally not possible to achieve the same area of reinforcement to area of concrete using steel fibres as compared to using a network of reinforcing bars of wires.
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Types of Concrete Blocks
CivilJungle
JANUARY 20, 2022
Introduction of Concrete Blocks. Concrete blocks are widely known as Concrete Masonry Unit (CMU) This type of concrete blocks have some advantages with compare to brick and stone masonry blocks. This concrete blocks may be solid in shape or hollow. Also, read: What Is Concrete | 31 Different Types of Concrete.
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TYPES OF CRACKS IN REINFORCED CONCRETE SLABS
The Constructor
NOVEMBER 8, 2011
Cracks in reinforced concrete columns due to Steel Corrosion (cracks parallel to steel bars) 2. Cracks in reinforced concrete columns due to shrinkage of concrete 3. Cracks in reinforced concrete columns due to shrinkage of concrete 3. Cracks in reinforced concrete columns due to increased load on the slab 4.
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REDUCING DRYING SHRINKAGE IN CONCRETE
The Constructor
NOVEMBER 8, 2011
Upon wetting, concrete tends to expand. These moisture-induced volume changes are a characteristic of concrete. If the shrinkage of concrete could take place without any restraint, the concrete would not crack.
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TYPES OF CONCRETE MIX DESIGN
The Constructor
NOVEMBER 15, 2011
Nominal Mixes In the past the specifications for concrete prescribed the proportions of cement, fine and coarse aggregates. However, due to the variability of mix ingredients the nominal concrete for a given workability varies widely in strength.
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Digital Dryshack # 68: Scheduling Best Practices
Cassell Construction Estimating
MAY 17, 2014
15 Tips for Best-Practices Scheduling. While discussing scheduling with a client in Hawaii recently, I found myself repeating over and over, a variation of “…scheduling best practices include…” Hearing these words repeatedly set me to thinking that I hadn’t recently seen scheduling guidelines set out in a concise, straightforward document.
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100 FACTORS AFFECTING STRENGTH OF CONCRETE
The Constructor
MARCH 21, 2012
in dry conditions), it should be suitable for use in concrete. Aggregates: Quality of aggregates, its size, shape, texture, strength etc determines the strength of concrete. The presence of salts (chlorides and sulphates), silt and clay also reduces the strength of concrete.
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ACCEPTANCE CRITERIA FOR DESIGN MIX CONCRETE
The Constructor
NOVEMBER 20, 2011
The concrete shall be deemed to comply with the strength requirements if: a) every sample has a test strength not less than the characteristic value;or b) The strength of one or more samples though less than the characteristic value, is in each case not less than the greater of : 1) The characteristic strength minus 1.35
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PRECAST CONCRETE CLADDING CONSTRUCTION AND.
The Constructor
AUGUST 7, 2012
Advantages that make precast concrete cladding such an appealing option are: Durability: Assuming the panel design has been carried out with proper thought for rainwater flow over the surface of the building, it will weather well and not require frequent cleaning.
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PUMPED CONCRETE PUMP TYPES & SELECTION
The Constructor
NOVEMBER 28, 2011
This method is used where large quantity of concrete work is involved at greater height, where other means of transporting is not easy to do. This method is used where large quantity of concrete work is involved at greater height, where other means of transporting is not easy to do.
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Effective Marketing For Diverse Construction Job Categories
Construction Marketing
JANUARY 24, 2024
Construction Managers Oversee the entire construction process, coordinating tasks, schedules, and resources. Estimators Analyze project blueprints and specifications to estimate labor, materials, and equipment costs. Masons Build structures using bricks, concrete blocks, or other masonry materials.
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EXPOSURE CONDITIONS AFFECTING DURABILITY OF CONCRETE
The Constructor
AUGUST 10, 2012
These are the environments to which the concrete will be exposed during its working life. No Environment Exposure Conditions 1 Mild Concrete surfaces protected against weather or aggressive conditions, except those situated in coastal area. Table below shows exposure conditions of these environments.
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What Is Concrete Screed | Concrete Screed Specifications | Characteristics of Concrete Screed | Advantages & Disadvantages of Concrete Screed
CivilJungle
MAY 29, 2021
Introduction of Concrete Screed. A construction element which is available in a range of thickness to bring forth the installation surface of the concrete flooring to a considerable height & to produce a surface suitable for installing the desired flooring is called a concrete screed. What Is Concrete Screed?
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WHY WE TEST CONCRETE SRTRENGTH AFTER 28 DAYS?
The Constructor
NOVEMBER 25, 2011
WHY WE TEST CONCRETE SRTRENGTH AFTER 28 DAYS? Tweet Why do we test concrete compressive strength after 28 days? The table below shows the compressive strength gained by concrete after 1, 3, 7, 14 and 28 days with respect to the grade of concrete we use.
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What Is Concrete | Different Types of Concrete
CivilJungle
APRIL 26, 2020
What Is Concrete? Concrete is the final product resulting from mixing cement , aggregates (including sand), water, and mixtures. The first use of concrete was by the Roman Empire. The Pantheon is the largest unreinforced concrete dome in the world, built-in 120 A.D. Different Types of Concrete. Dry lean Concrete.
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PRESTRESSED CONCRETE OVER REINFORCED CONCRETE.
The Constructor
MARCH 23, 2012
There are two ways of overcoming this problem: Embed another material in the concrete which is strong in tension – reinforced concrete Remove the tension altogether – by arching or prestressing. In practice, reinforced concrete beams are designed on the assumption that cracks will occur under their service loads.
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PRE-CONCRETE CHECKS FOR FORMWORK & RELEASE AGENTS
The Constructor
MARCH 19, 2012
Formwork pressures are function of height (including the height from which concrete is dropped into the forms) and are affected by concrete workability, rate of stiffening and rate of placing. Exceeding this limit may lead to unacceptable formwork deflections, loss of grout / concrete at joints, or even collapse.
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FEATURES OF PRECAST CONCRETE
The Constructor
MARCH 25, 2012
There is no grout loss, such as that from badly fitting formwork, which results in poor quality concrete like shown below. By careful selection of materials and finishing processes, a wide range of high quality finishes can be obtained.
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171 CONCRETE CREEP
The Constructor
MARCH 22, 2012
Following are the cases, which affect creep in concrete: When the aggregate volume is increased, creep will be less as the aggregate is more rigid than the cement paste. Water within the hardened cement paste is forced to more as a result of the applied load.
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CELLULAR LIGHTWEIGHT CONCRETE?FLY ASH BASED
The Constructor
NOVEMBER 22, 2011
It has many advantages when compared to the normal conventional concrete. The density is considerably reduced by using fly ash based cellular lightweight concrete than normal concrete and at the same time, the strength is not affected by appropriate design mix.
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224 CONCRETE CURING METHODS
The Constructor
NOVEMBER 21, 2011
Both the rate and degree of hydration, and the resulting strength of the final concrete, depend on the curing process that follows placing and consolidating the plastic concrete. This reaction, called hydration, produces a stone-like substance—the hardened cement paste.
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PRECAST CONCRETE PROCESS
The Constructor
MARCH 25, 2012
The following figures illustrate the precast concrete process: 1. The individual components are prefabricated off site then taken to site where they are erected. The individual components are prefabricated off site then taken to site where they are erected.
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The Best Concrete Sensor in 2020
Construction Junkie
JULY 16, 2020
A Review of Top Wired and Wireless Temperature and Strength Concrete Sensors. Concrete Construction Planning In a construction project, concrete is often on the critical path. Curing temperature is also important when it comes to mass concrete placements such as foundations. Giatec Scientific Inc.
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THIN SHELL CONCRETE STRUCTURE?TYPES & FORMS
The Constructor
NOVEMBER 17, 2011
Advantages of Concrete Shells Like the arch, the curved shapes often used for concrete shells are naturally strong structures, allowing wide areas to be spanned without the use of internal supports, giving an open, unobstructed interior.
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WHAT IS PRECAST CONCRETE?
The Constructor
MARCH 25, 2012
WHAT IS PRECAST CONCRETE? Tweet Precast concrete is cast under factory controlled conditions and not erected on site until it is fully hardened. Just like in-situ concrete, precast concrete can be plain, reinforced or prestressed concrete. No related posts.
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REPAIR OF POST CONCRETING DEFECTS IN STRUCTURES
The Constructor
MARCH 20, 2012
Cleanliness: when repairing concrete, care must be taken to remove any dirt or dust that will prevent the repair concrete bonding with the parent concrete. Cleanliness: when repairing concrete, care must be taken to remove any dirt or dust that will prevent the repair concrete bonding with the parent concrete.
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247 Download Bar Bending Schedule Of Box Culvert
Construction Cost Estimating
APRIL 21, 2017
Definition of Bar bending It is the method of bending reinforcing steel into shapes which are important for reinforced concrete construction. Definition of Bar bending schedule(BBS) Bar bending schedule alias schedule of bars refers to a list of reinforcement bars, a specified RCC work item that is shown in a tabular form for a smooth view.
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Bar Bending Schedule-BBS Civil Engineering Estimation And Casting
Construction Cost Estimating
DECEMBER 29, 2016
Bar bending schedule offers the reinforcement calculation for reinforced concrete beam. Here we will take one example for reinforcement quantity calculations for a concrete beam. Now we will calculate the length of reinforcement on the basis of shapes of reinforcement mandatory for reinforced concrete beam in above example.
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40 TESTS ON WATER FOR CONCRETE
The Constructor
AUGUST 18, 2012
Related posts: SELF COMPACTING CONCRETE WITH TESTS TESTS ON HARDENED CONCRETE CHEMICAL TESTS ON CONCRETE STRUCTURES COMMON TESTS ON THE FRESH CONCRETE Removing concrete slab to build wood deck but worried about water entering basement? Tweet Loading GET LATEST TOPICS IN YOUR EMAIL- SUBSCRIBE NOW.
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139 Construction Scheduling Techniques
Construction Cost Estimating
JANUARY 8, 2014
Construction cost estimator should create project scheduling to assign dates to project activities and to match the resources of materials, equipment and labour for organized project procedure. Proper scheduling eliminates problems that can arise due to production limitation.
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COMPOSITION OF REACTIVE POWDER CONCRETE (RPC)
The Constructor
DECEMBER 17, 2011
It is new technique involved in the civil engineering.Reactive powder concrete in made by replacing the conventional sand and aggregate by grounded quartz less than300 micron size, silica fume, synthesized precipitated silica ,steel fibers about 1 cm in length and 180 micron in diameter.
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