Madeh Izat Hamakareem - Answers
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Why a Continuous RCC beam should be designed as a Tee beam for Span moments and as a Rectangular Beam for Support Moments?
Madeh Izat Hamakareem
In the regions of a positive moment, a portion of the slab works with the beam (both under compression force), so that part should be included in the beam design. However, negative moments develop cracks at the upper part of the beam. So, the cracked part of the concrete section is neglected in theRead more
In the regions of a positive moment, a portion of the slab works with the beam (both under compression force), so that part should be included in the beam design. However, negative moments develop cracks at the upper part of the beam. So, the cracked part of the concrete section is neglected in the design, and the lower portion is in compression which is rectangular.
See lessWhat is the function of geogrid in supporting slopes with shotcrete?
Madeh Izat Hamakareem
Geogrids are used to reinforce soil to increase its tensile strength, and hence transfer forces to larger areas of the soil. The geogrid application are retaining walls, steepened slopes, bridge abutments, embankments, and subbase below roads. To read more bout Geogrids- Types, Functions, ApplicatioRead more
Geogrids are used to reinforce soil to increase its tensile strength, and hence transfer forces to larger areas of the soil. The geogrid application are retaining walls, steepened slopes, bridge abutments, embankments, and subbase below roads.
To read more bout Geogrids- Types, Functions, Applications, and Advantages in Construction, Please visit the following link:
https://theconstructor.org/building/geogrids-types-functions-applications-advantages/15190/
The purpose of welded wire mesh in shotcrete is to increase tensile strength and structural support.
To read more about shotcrete concrete, Please click the link below:
https://theconstructor.org/concrete/shotcrete-sprayed-concrete-gunite-materials-uses/16079/
See lessWhich Type of Cement is used for Pile Foundation?
Madeh Izat Hamakareem
Any type of cement can be used as long as the design and durability requirements of the concrete used to construct the pile are met. For instance, if the sulfate attack is expected, it is desirable to select sulfate resistance cement because it produces concrete that withstand sulfate attack. As a rRead more
Any type of cement can be used as long as the design and durability requirements of the concrete used to construct the pile are met. For instance, if the sulfate attack is expected, it is desirable to select sulfate resistance cement because it produces concrete that withstand sulfate attack. As a result, the produced concrete would durable.
You can visit the following link to read more about Applications of Different Types of Cement for Concrete Construction:
https://theconstructor.org/building/applications-cement-types-concrete/7686/
The ACI code 318-18 provides the design and durability requirements of concrete.
Design Requirements of Concrete Based on ACI 318-19
https://theconstructor.org/concrete/design-requirements-concrete/39004/
Concrete Durability Requirements Based on ACI-318-19
https://theconstructor.org/concrete/concrete-durability-requirements/39036/
See lessWhat is the Minimum Grade of Concrete for Precast Construction?
Madeh Izat Hamakareem
It depends on the structural member. For example, The American Concrete Institute (ACI 318-19) specifies minimum concrete strength for precast pile as 28MPa. The code also provides minimum strength for other structural members. You can also visit: https://theconstructor.org/concrete/design-requiremeRead more
It depends on the structural member. For example, The American Concrete Institute (ACI 318-19) specifies minimum concrete strength for precast pile as 28MPa. The code also provides minimum strength for other structural members. You can also visit:
https://theconstructor.org/concrete/design-requirements-concrete/39004/
See lessWhat is the Possibility of Footing Failure with Reduced Cement Content?
Madeh Izat Hamakareem
This problem needs an adequate investigation to determine the weakness of the foundation, and then specify remedial options if needed. The strength of the foundation should be evaluated, then structural designer can check the load-carrying capacity of the foundation, and ultimately decided whether rRead more
This problem needs an adequate investigation to determine the weakness of the foundation, and then specify remedial options if needed.
The strength of the foundation should be evaluated, then structural designer can check the load-carrying capacity of the foundation, and ultimately decided whether remedial measures are needed or not.
Adequate quantity of cement content ensures sufficient alkalinity and cement paste volume to fill spaces between compacted aggregate particles. So, durability issues may also arise in the future.
The remedial measures are determined based on the mat foundation weaknesses and conditions. Hamidul Ahasan, Shajal Khan, Ahmedul Hassan, Raquib Ahsan, and Mehedi Ahmed Ansary published an article under the title Use of Jet Grouting in Retrofitting of a RMG Factory Building in Chittagong,
Bangladesh. They discussed a repair method to increase the load-carrying capacity of the mat foundation that supports four-story building.
See lessWhen is scarification needed for road work?
Madeh Izat Hamakareem
Scarification is carried to remove unacceptable asphalt that does not meet standard specifications, remove irregularities, bumps, or ruts on the road before resurfacing it.
Scarification is carried to remove unacceptable asphalt that does not meet standard specifications, remove irregularities, bumps, or ruts on the road before resurfacing it.
See lessWhat is CC concrete or Concrete Cloth?
Madeh Izat Hamakareem
Concrete cloth (CC) is an innovative technology that combines flexibility of geotextile fabric with durability of hardened concrete. It is composed of dry concrete mix, reinforcing fiber matrix, fabric top surface, and PVC bottom coating. A hardened concrete cloth is thin and durable which has manyRead more
Concrete cloth (CC) is an innovative technology that combines flexibility of geotextile fabric with durability of hardened concrete. It is composed of dry concrete mix, reinforcing fiber matrix, fabric top surface, and PVC bottom coating. A hardened concrete cloth is thin and durable which has many applications.
For more details on the Concrete cloth, please visit the following link:
https://theconstructor.org/concrete/concrete-cloth-properties-applications-process/17070/
See lessWhen should we opt for continuous footing?
Madeh Izat Hamakareem
A continuous footing, which is also called strip footing or wall footing, is used to support walls along their length. Sufficient overhangs are provided to ensure adequate footing bearing area. Continuous footing is usually placed concentrically beneath walls. However, when a wall is adjacent to a pRead more
A continuous footing, which is also called strip footing or wall footing, is used to support walls along their length. Sufficient overhangs are provided to ensure adequate footing bearing area.
Continuous footing is usually placed concentrically beneath walls. However, when a wall is adjacent to a property line, a continuous footing that is eccentric on one side would be required.
To analyze and design reinforced concrete wall footing based on ACI 318-19, please visit the following link:
https://theconstructor.org/geotechnical/analysis-design-wall-footing/38457/
See less