Engineering & Technology
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Hi Everyone I’m working on an L-shaped RC building where a movement joint is required, primarily to accommodate thermal and shrinkage movements in RC flat slab. The two wings meet at a re-entrant corner, with the left wing skewed relative to the right wing by approx. 54°.The proposed solution is to provide a movement joint through the slabs, with Ancon ESDQ (available in the UK; lateral, rotational and longitudinal movement allowed)dowels across the joint. The design intent is: Transfer vertical shear only across the joint No transfer of in-plane axial force, shear, or moment Allow longitudinal, lateral, and rotational movement across the joint Dowels generally perpendi…
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I encountered an issue with reinforcement installation on a construction site and there was a discussion regarding the following detail: In first drawing, the top reinforcement mesh is placed on top of the U bars, while in another drawing it is below the U bars, meaning the U bars hold both the top and bottom mesh. Is it critical how this detail is executed? Can the top mesh be placed on top of the U bars, or does it need to be under the U bars? Is it sufficient to ensure the proper overlap of bars only? The design standard being followed is Eurocode 2 (EC2).
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Hi there I am not an engineer but looking for advice please. We live in a 1950s council house in Lincolnshire, and we're looking at mounting an aerial rig in our front room for our 8 year old daughter. She currently weighs approx. 26kg and will be doing aerial hoop and silks (like in this video https://www.youtube.com/watch?v=rsm3YNWAs9k) Our proposed solution is to put a 2630mm, 42.4mm galvanised steel tube wall-to-wall, secured with M6x75 concrete bolts, as shown in the image below. The blue wall is a supporting interior brick wall. My main concern is the other side, where the bay window is. My understanding is that this is steel reinforced concrete lintel. I am concern…
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Definition of BIM: Building information modelling (BIM) is a digital representation of physical and functional characteristics of a facility. A BIM is a shared knowledge resource for information about a facility forming a reliable basis for decisions during its life-cycle; defined as existing from earliest conception to demolition. BIM benefits: Faster drafting without loss of cost and quality High level of customization and flexibility Optimization of schedule and cost Seamless coordination and collaboration Conflict detection and risk mitigation Easy maintenance of building life cycle Here is the nice info-graphic whic…
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Hi, how i can define lane and vehicle in sap2000?
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1. BIM will be the backbone of future Construction Building Information Modeling is taking over the industry globally at the speed of light. In the UK, for example, the industry adoption rate has boomed from 13% in 2010 to 39% in only two years and many countries are introducing initiatives such as national BIM recommendations to push the adoption forward. It is reasonable to expect this trend to continue as the construction industry recovers from recession and as BIM continues its path towards becoming an industry requirement. Whether you are studying structural engineering, construction engineering or architecture, expect BIM to be a major factor and competitive advanta…
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How to improve the basic of engineering mechanics in the study of civil engineering?
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By building up environment Civil Engineers play with nature... Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works like roads, bridges, canals, dams, and buildings. Why Become a Civil Engineer? 1. Civil engineers create the world around us Civil engineers are the unsung heroes of the engineering world. Yet this jack-of-all-trades discipline is an incremental part of creating everything from tall skyscrapers and complex stadiums to bridges, railways and tunnels. As a civil engineer, your work influences where people work, relax, learn and live.…
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Definition of Water Consumption (W.C) It is the amount of water consumed by a community in one day. It is usual to express water consumption in litres/capita/day. Average water consumption is usually 150 to 600 lpcd. Classification of W.C according to Use No. Purpose Use Quantity 1 Domestic Sanitary, Drinking, Washing, Bathing, Cooking, Gardening etc. ~ 50-250 lpcd 2 Commercial and Industrial Markets, Office buildings, Dental clinics, Private Schools, Garages, Workshops etc. ~ 12.2 cube m/1000 sq. m of floor are…
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Sewer design requires prior knowledge of soil and site conditions to determine overburden loads that will be placed on buried pipes. Total Load = Backfill Load + Live Load Backfill Load (W): It depends upon following factors: Trench Width (B) Depth of Burial i.e, depth of fill above pipe (H) Unit Weight of Fill Material (w) Frictional Characteristics of Backfill Live Load : Live Loads on the Surface rarely influence design of sanitary sewer because of their Great Depth and Small Size. Backfill Load on Sewers Backfill load on buried pipes can be calculated using Marston's equation. W = CwB2 W = Load on t…
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The geological work performed by rivers may be placed under three heads: Erosion, Transport and Deposition. Rivers are active agents of erosion, especially in times of floods. They carry away much material and redeposit some part of it farther downstream, the rest being transported to the sea. Some matter goes into solution in the river water. The finer particles remain in suspension and the coarse roll along the bed during floods and hence perform the work by abrading the channel of river. The work of erosion, performed by rivers, results in the widening and deepening of their valleys during their course of development. Stages of youth, maturity and old age may be d…
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What is Activated Sludge? It is a FLOC (i.e body of micro-organisms gathered in a crowd) produced in a raw or settled sewage by the growth of bacteria and other organisms in the presence of dissolved oxygen and accumulated in sufficient concentrations by returning floc previously formed. Activated Sludge Process Activated Sludge Process is the biological method for treatment of wastewater. It was devised by Arden and Lockett in 1914. In this process a mixture of sewage and activated sludge is agitated and aerated in an Aeration Tank. Bacteria present in the activated sludge aerobically metabolize the organic matter present in the influent. The organic matter …
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1. Introduction Earthquakes are vibrations of the earth caused by the rupture and sudden movement of rocks that have been strained beyond their elastic limits. If a strained rock breaks, it then snaps into a new position and, in the process of rebounding, generates vibrations called seismic waves. Land waves produced by an earthquake have been reported with heights of more than 0.5 m and wave lengths of 8 m. The period between the passages of wave crests can be as much as 10 seconds. The vibrations can continue for as long as an hour before the wave dies out. 2. Focus and Epicenter Earthquake waves are propagated in all directions from the center of orig…
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Recently, Computer and Structutes Inc. has announced the Open Application Programming Interface (OAPI) feature for its product SAP2000. With this feature user will be able to access SAP2000 by an external appplication with help of any supporting programming language (e.g Visual Basics). Here are the basics how this feature is utilized at professinal level: You create structural model in the custom (external) application. Send the info for structural model into SAP2000 with API (Use your favourite Programming Language). Access the desired features of SAP2000 and execute the analysis or design operations. Then retrieve analysis or design results from SAP2000 into custom app…
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what is meant by the term Base Net in surveying.
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