The Constructor

MARCH 27, 2012

Precast floor slabs: The main types of slabs are used in the precast frames are: Hollow cored slab Double tee slab Precast walls: Precast concrete walls serve two functions: Stability As walls or boxes surrounding staircases and lift shafts. Corner columns – not symmetrical at all.

Concrete 240

Concrete Foundation Materials Design 240

The Constructor

APRIL 2, 2012

This tie prevents the beam and the slab separating during the in-situ concrete screeding operation. Finally, in-situ concrete is poured. First, a rubber bearing is placed at the support point. When the slab is in position, a welded connection is made. Reinforcement is placed onto the top of the slab.

Concrete 223

Concrete Foundation Materials Design 223

The Constructor

NOVEMBER 15, 2011

He is the founder of The Constructor and works in a reputed construction company. Advertisement Hot Topics Recent Topics Most Viewed Most Discussed FOUR PHASES OF PROJECT MANAGEMENT WHAT IS PROJECT MANAGEMENT?

Construction 247

Construction Concrete Foundation Materials 247

The Constructor

SEPTEMBER 10, 2012

Reply Leave a Reply Click here to cancel reply Your name (Required) Your e-mail (Your email wont be published) (Required) Your website Notify me of followup comments via e-mail About The Author This blog is authored and maintained by Gopal Mishra. He is the founder of The Constructor and works in a reputed construction company.

Project Management 242

Project Management Management Concrete Foundation 242

The Constructor

MARCH 27, 2012

More efficiently, they can act compositely with the in-situ concrete. Indeed some beams, particularly in seismic areas are designed to act both compositely and non-compositely in the same span. Non-Composite Permanent Formwork: Non-composite precast permanent formwork is used to speed the erection process and assure quality finish.

Concrete 230

Concrete Construction Foundation Materials 230

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.

Concrete 181

Concrete Foundation Environment Materials 181

The Constructor

JANUARY 17, 2012

The complete pier segment is then used as an erection platform and launching base for all subsequent travelling formwork and concrete segment construction. Special formwork is positioned and cast-in-situ pier segment is begun. Cast-in-situ segments range between 3mm to 5m in length with formwork moving in tandem with each segment.

Construction 214

Construction Concrete Foundation Materials 214

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

Concrete 229

Concrete Design Foundation Materials 229

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.

Concrete 190

Concrete Construction Foundation Materials 190

The Constructor

MARCH 17, 2012

Prestressed Concrete Piles CLASSIFICATION OF PILES LOAD ON PILES NEGATIVE SKIN FRICTION ON PILES Can foundation Piles be welded, if yes what is the welding procedure to be followed? Tweet Loading GET LATEST TOPICS IN YOUR EMAIL- SUBSCRIBE NOW. Related posts: Advantages of Precast pile foundation over Cast-in-situ pile foundations?

Concrete 202

Concrete Foundation Materials Engineering 202

The Constructor

NOVEMBER 1, 2011

Sulphate attack in concrete foundation and cement mortar below ground level. Movement in walls above ground level and expansion and deterioration of cement mortar and concrete below ground level. Foundation near to drains where drains are running below foundation and / or drains lacking concrete cover.

Foundation 240

Foundation Concrete Construction Materials 240

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.

Concrete 250

Concrete Foundation Materials Design 250

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.

Concrete 229

Concrete Foundation Contract Materials 229

The Constructor

MARCH 26, 2012

Hybrid concrete construction can incorporate all the benefits of precasting, (e.g. Precast and in-situ concrete can be used together in many different ways to extend the design horizons for architects, engineers and contractors. economy, flexibility, moulability, continuity and robustness).

Concrete 214

Concrete Construction Foundation Materials 214

The Constructor

MARCH 23, 2012

Codes of practice impose limits on horizontal movement or sway. He is the founder of The Constructor and works in a reputed construction company. Advertisement Hot Topics Recent Topics Most Viewed Most Discussed FOUR PHASES OF PROJECT MANAGEMENT WHAT IS PROJECT MANAGEMENT?

Concrete 240

Concrete Foundation Structural Engineering Materials 240

The Constructor

MARCH 17, 2012

He is the founder of The Constructor and works in a reputed construction company. Advertisement Hot Topics Recent Topics Most Viewed Most Discussed FOUR PHASES OF PROJECT MANAGEMENT WHAT IS PROJECT MANAGEMENT?

Concrete 230

Concrete Foundation Materials Engineering 230

The Constructor

JANUARY 17, 2012

He is the founder of The Constructor and works in a reputed construction company. Advertisement Hot Topics Recent Topics Most Viewed Most Discussed FOUR PHASES OF PROJECT MANAGEMENT WHAT IS PROJECT MANAGEMENT?

Construction 206

Construction Concrete Foundation Design 206

The Constructor

NOVEMBER 16, 2011

Home News Videos Tips Building Building Bye Laws Building Materials Aggregates Cement Wood Building Tips Buildings Green Buildings Flooring Formwork/Shuttering Paints & Decoratives Skyscrappers Smart Materials Concrete Concrete Admixtures Concrete Cracks Crack Repair Concrete Durability Concrete Properties Concrete Types Fibre reinforced Fire Proof (..)

Residential 240

Residential Site Plans Concrete 240

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.

Concrete 235

Concrete Inspections Foundation Materials 235

The Constructor

AUGUST 16, 2012

Adequate care should be taken by the contractor while laying and compacting the rubble soling to see that concrete surfaces in contact with soling are not damaged. After compaction, give the required slope or level and dense sub-base and the surface should present clean look. Tweet Loading GET LATEST TOPICS IN YOUR EMAIL- SUBSCRIBE NOW.

Foundation 203

Foundation Concrete Materials Design 203

The Constructor

NOVEMBER 10, 2011

He is the founder of The Constructor and works in a reputed construction company. Advertisement Hot Topics Recent Topics Most Viewed Most Discussed FOUR PHASES OF PROJECT MANAGEMENT WHAT IS PROJECT MANAGEMENT?

Airports 203

Airports Concrete Foundation Materials 203

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.

Concrete 240

Concrete Design Foundation Materials 240

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.

Concrete 240

Concrete Transportation Foundation Design 240

The Constructor

NOVEMBER 27, 2011

This method is also used to find out 28 days compressive strength of concrete in 28 hours. (As As per IS 9013-1978-Method of making, curing and determining compressive strength of accelerated cured concrete test specimens). (As

Concrete 218

Concrete Foundation Materials Design 218

The Constructor

MARCH 19, 2012

When concrete is fresh and in its liquid state it must be restrained within a mould in order for it to set in its required shape. A smooth outer surface provides the main support for the concrete as it sets. Concrete is approximately 2.4 Formwork is the term used to describe this mould. This is normally made of plywood.

Concrete 223

Concrete Foundation Materials Design 223

The Constructor

MARCH 18, 2012

Concrete is capable of conducting and electric current and acts as the electrolyte with the circuit being completed by the bar through which the electrons can flow. provided by good quality concrete produces a protective layer around the steel preventing the flow of current. However the highly alkaline environment (pH about 12.8)

Concrete 235

Concrete Foundation Materials Design 235

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.

Concrete 171

Concrete Foundation Materials Design 171

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.

Concrete 230

Concrete Materials Foundation Design 230

The Constructor

JANUARY 14, 2012

He is the founder of The Constructor and works in a reputed construction company.

Concrete 203

Concrete Foundation Materials Contract 203

The Constructor

NOVEMBER 15, 2011

vi) The bottom of all trenches should be well rammed before placing the concrete in position. 2) The axial lines (center lines) of the trenches are marked with the help of profiles, sighting rails, strings and pegs. (3) 2) The axial lines (center lines) of the trenches are marked with the help of profiles, sighting rails, strings and pegs. (3)

Foundation 189

Foundation Concrete Materials Design 189

The Constructor

JANUARY 17, 2012

Reply Leave a Reply Click here to cancel reply Your name (Required) Your e-mail (Your email wont be published) (Required) Your website Notify me of followup comments via e-mail About The Author This blog is authored and maintained by Gopal Mishra. He is the founder of The Constructor and works in a reputed construction company.

Construction 209

Construction Concrete Foundation Materials 209

The Constructor

NOVEMBER 26, 2011

IS 1130 Marble (Block, Slab and Tiles) IS 4101 (Part-I) Code of practice for external facing and veneers: Stone facing IS 3316 Specification for structural granite IS 14223 (Part-I) Polished building stones (Part –I) Granite Tweet Loading GET LATEST TOPICS IN YOUR EMAIL- SUBSCRIBE NOW.

Concrete 197

Concrete Foundation Materials Design 197

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.

Concrete 130

Concrete Foundation Materials Contract 130

The Constructor

NOVEMBER 27, 2011

hardened concrete). hardened concrete). hardened concrete). hardened concrete). hardened concrete). Procedure as per IS 516 – Methods of tests for strength of concrete 1. Also read Compressive Strength Test for Concrete Cubes for calculations and results.

Concrete 169

Concrete Foundation Materials Design 169

The Constructor

NOVEMBER 19, 2011

Tweet Loading GET LATEST TOPICS IN YOUR EMAIL- SUBSCRIBE NOW. He is the founder of The Constructor and works in a reputed construction company. Advertisement Hot Topics Recent Topics Most Viewed Most Discussed FOUR PHASES OF PROJECT MANAGEMENT WHAT IS PROJECT MANAGEMENT?

Concrete 177

Concrete Foundation Engineering Design 177

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.

Concrete 139

Concrete Foundation Materials Contract 139

The Constructor

JANUARY 14, 2012

He is the founder of The Constructor and works in a reputed construction company.

Concrete 203

Concrete Foundation Materials Contract 203