The Constructor

JANUARY 1, 2012

The benefits of using steel fibres in concrete are as follows: 1. Steel Fibres are generally distributed throughout a given cross section whereas reinforcing bars or wires are placed only where required 2.

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Concrete Foundation Materials Design 244

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 coefficient of thermal expansion of concrete is influenced largely by the coefficient of thermal expansion of the aggregates since the aggregate occupies 70-80% of the volume of the concrete.

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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 increased load on the slab 4. Cracks in reinforced concrete columns due to sulphate attack 5.

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The Constructor

MARCH 19, 2012

Depending on how big or complicated the pour is, the inspection may just take few minutes or it could take hours.

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Concrete Inspections Foundation Materials 235

The Constructor

MARCH 20, 2012

From the diagram above, we can see how the process unfolds. When the binding has set, the steel bars are placed into position.

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The Constructor

NOVEMBER 8, 2011

This type of shrinkage is caused by the loss of moisture from the cement paste constituent, which can shrink by as much as 1% per unit length. Unfortunately, aggregate provides internal restraint that reduces the magnitude of this volume change to about 0.05%.

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The Constructor

AUGUST 7, 2012

They may be load bearing, or they may be just decorative to act as a façade. The techniques that are used in the manufacture of panels permit a variety of finishes that imitate virtually any type of architecture at a fraction of the cost.

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The Constructor

MARCH 21, 2012

in dry conditions), it should be suitable for use in concrete. Quality of Raw Materials: Cement: Provided the cement conforms with the appropriate standard and it has been stored correctly (i.e.

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Concrete Materials Foundation Design 230

The Constructor

AUGUST 10, 2012

These are the environments to which the concrete will be exposed during its working life. These are: Mild exposure Moderate exposure Severe exposure Very severe exposure, and Extreme exposure.

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Concrete Foundation Environment Materials 181

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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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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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.

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Concrete Foundation Materials Comparison 133

The Constructor

MARCH 22, 2012

Water within the hardened cement paste is forced to more as a result of the applied load. This movement of moisture is the primary cause of creep deformation. Some movement also occurs due to the propagation of microcracks. The movement due to creep can be greater than the elastic strain on loading.

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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.

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Concrete Foundation Materials Design 143

The Constructor

NOVEMBER 22, 2011

It has many advantages when compared to the normal conventional concrete. Fly ash is considered as one of the waste industrial product that cannot be easily disposed. It solves the problem of disposal of flyash and at the same time it reduces the cost of the construction.

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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. Expediency: The longer the repair is left, the more work has to be done, and the less likely that the repair will blend in.

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Concrete Portland Foundation Materials 247

The Constructor

MARCH 25, 2012

WHAT IS PRECAST CONCRETE? 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.

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Concrete Foundation Materials Contract 130

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.

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The Constructor

AUGUST 7, 2012

This allows a greater performance from the cladding panel than simple building enclosure.

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Concrete Foundation Maine Materials 223

The Constructor

NOVEMBER 17, 2011

The shells are most commonly flat plates and domes , but may also take the form of ellipsoids or cylindrical sections, or some combination thereof.

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Concrete Foundation Materials Design 212

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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Concrete Portland Foundation Materials 161

CivilJungle

MARCH 13, 2021

Mass Concrete: Large bridge piers , foundations , and such as dams like the massive structure , the mass concreting technique is used. For also, mass concrete strength , economy, uniformity, and other factors considered should take into account. The temperature shrinkage is the major problem in mass concrete work.

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Concrete Foundation Portland Materials 52

The Constructor

AUGUST 24, 2012

Cladding panels behave like wall panels and are therefore subjected to the same forces, i.e. axial compression, horizontal flexure due to wind, and in-plane and out-of-plane shear.

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Concrete Foundation Materials Contract 127

The Constructor

JANUARY 22, 2012

The stress strain curve of concrete lies between those of the aggregate and the cement paste. The aggregate is more rigid than the cement paste and will therefore deform less (i.e. have a lower strain) under the same applied stress.

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Concrete Foundation Materials Contract 137

The Constructor

AUGUST 18, 2012

The initial setting time should not be less than 1 hour and to be within 25% of the result with distilled water.

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Concrete Foundation Materials Contract 139

The Constructor

NOVEMBER 21, 2011

The concrete can be specified in two ways : a) by proportioning of the constituents /ingredients (nominal mix) b) by required strength (Design mix) Concrete is mixed by any two methods, based on requirement as per quality and quantity of concrete required.

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The Constructor

NOVEMBER 28, 2011

Procedure for measuring bulk density of concrete is as per IS 1199 – methods of sampling and analysis of concrete.

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CivilJungle

JUNE 22, 2021

Introduction of Concrete Repair Method. Concrete is one of the most widely used building materials in the construction industry all over the world. Concrete is a versatile construction material that possesses various advantages as compared to other construction materials. How to Select Suitable Method of Concrete Crack Repair?

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Concrete Materials Drawings Transportation 52

The Constructor

NOVEMBER 15, 2011

All of these elements are used by interior designers to develop a functional, safe, and aesthetically pleasing space for a building’s user. The work of an interior designer draws upon many disciplines including environmental psychology, architecture, product design, and traditional decoration (aesthetics and cosmetics).

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Software Software Design Concrete 114

CivilJungle

APRIL 22, 2022

What to Do If the Concrete Cube Fails After 28 Days? So, What To Do If Concrete Cube Falls after 24 days? There are many record and recovery choices if the concrete cell falls in the Test. There are many record and recovery choices if the concrete cell falls in the Test. Cube Test of Concrete.

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Concrete Modeling Overhead Documentation 52

Construction Specifier

AUGUST 13, 2020

Minimizing how often a brick is handled is important not only for chippage, but also for the productivity of a mason contractor, since the time spent on transportation logistics can quickly add up. This may be fine with the design intent, since as one architect explained, “that is part of the romance of brick…”. high x 405 mm (16 in.)

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Concrete Bargains Transportation Contractors 134

CivilJungle

FEBRUARY 9, 2021

Definition of Design Period: Design period could be defined as the number of years in the near future in which the supply will surpass the demand. Why Design Period Is Provided? The main reasons behind providing Design Periods are: It is prodigiously strenuous or unfeasible to produce frequent. Concrete Pipes.

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Design Foundation Roads Feasibility 52

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. Formwork is the term used to describe this mould. For most in-situ pours, the formwork is made of wood.

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The Constructor

NOVEMBER 11, 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 (..)

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America Concrete Foundation Airports 203

The Constructor

JANUARY 14, 2012

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 (..)

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The Constructor

NOVEMBER 16, 2011

There should be good transport facilities such as railway, bus service, for going to office, college, market, etc. The site should be in fully developed area or in the area which has potential of development. The site should command a good view of landscape such a hill, river, lake, etc.

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Residential Site Plans Concrete 240

The Constructor

MARCH 26, 2012

Hybrid concrete construction can incorporate all the benefits of precasting, (e.g. The different materials are used according to their strengths and weaknesses to provide simple, buildable and competitive high-quality structures that offer consistent performance. economy, flexibility, moulability, continuity and robustness).

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