Earthquake Test- Building Better Homes -- Improving Structural Engineering with Earthquake Simulator

Improving Structural Engineering with Earthquake Simulator January 1, 2007 — To develop designs that can survive extreme seismic events, and to devise retrofit solutions for older homes, civil engineers who specialize in structural design test realistic models of homes in earthquake simulators. They place the homes on two adjacent shake tables designed to move in three directions, creating realistic earthquake motions. Cameras and accelerometers measure the rate of movement. BUFFALO, NY -- Homes are made to withstand the test of time. But the ultimate test is one that can survive a large-scale earthquake. And simulating an earthquake in a lab helps improve homes in real quake zones. Most people don't ever want to experience an earthquake. "I experienced a very strong earthquake in 1997 in Athens," Ioannis Christovasilis, an Earthquake Structures Graduate Student at University at Buffalo in NY, tells DBIS. "I was a little bit frightened, yes." University at Buffalo Structural Engineer Andre Filiatrault says, "We had an aftershock, maybe a magnitude five ... That was pretty dicey. You felt the shaking work up." But today, Filiatrault is eager to watch an earthquake simulator shake this house to a magnitude 6.7 quake. The full-scale, fully furnished home is built like many in earthquake zones, but prone to damage. The test shows how much shaking a wood home can endure. Filiatrault says, "We shook this building past its so-called design level. We shook it to an extreme event ...

My Links : หมวดงานระบบไฟฟ้าและเครื่องกล Best Price โยธาท้องถิ่น Gold Necklace Concrete Structures

Structural Engineer

A typical day in the life of a young, female structural engineer.

Friends Link : Cuticle Care Rings Jewelry Laptop Black Friday Cheap Concrete Beam

Things Need To Consider In Trusses Inspection For Civil And Structural Engineer

When the design of trusses has been approved from engineer, trusses fabrication will commence. Upon completion of fabrication, trusses will deliver to site for construction. As a civil and structural engineer, one of the duties of engineer is to inspect the trusses.
Engineer has to ensure the trusses has been construction according to design drawing.

After trusses deliver to site, site agent or engineer needs to verify the quality of timber product. Timber has to be treated to avoid attack by termite. Normally the color of pressure treated wood is in green color. Whenever a section of timber is being cut, it will show that the green color will penetrate into certain depth of timber. Certificate of treated timber must be obtained from timber supplier. It needs for record purpose.

Then timber trusses have to check on the timber defect such as rotten timber, damage timber. Any defect found must be rejected immediately. The checking on timber is done by visual inspection. Whenever timber quality not to satisfaction, engineer can request for sample testing to any approved laboratory.

Timber sizing is important. Engineer needs to check the timber sizes. It to ensure that the sizes provided are according to trusses design sizes. It can carry out by using measuring tape. Sometime, it is impossible to insect every single item of timber. Therefore, engineer has to base on his best knowledge to have random sampling inspection. One of the ways is to inspection on the critical trusses such as big truss.

Engineer needs to check on trusses connection. There are two types of connection. First is gang nail plate and conventional bolts and nuts. For the later case, engineer must visually inspection the bolt holes. It is common that contractor simply drill holes for bolts. Unfortunately, some inexperience contractor drills the hole just near to edge of timber member (5-10mm from edge of member). This hole will easy loosen out from timber and affect the integrity of timber truss structure. The position of bolt holes on timber is important. It must according to trusses design.

Before erection of trusses to roof structure such as roof beams, the level of roof beams has to adjust to allow trusses to rest on roof beams. Inconsistency of roof level has to avoid.

After the trusses have been erected up to roof structure, engineer must ensure that the vertically of trusses have been achieved. Position of trusses such as trusses spacing must according to design drawing. Trusses supports are important. As for example, if a truss has four supports, engineer has to ensure that these four supports have been installed. It to ensure that roof loading has been transferred to roof structure. If roof level is inconsistency; in order to achieve supports condition for truss, some irresponsible contractor will use small element such as broken timber to insert between timber truss and roof structure. It is not a permanent structure. After the trusses have been erected, the broken timber will be loosen some days.

Truss to truss connection must has special precaution. Trusses have to connect by using MS plate or other proper structure. Nailing has to avoid in trusses.

Any change in timber structure arrangement need to has attention of designer. Do not allow any modification of trusses without approval from design office.

Whenever there is some dispute at site cannot be resolved, try to work it out at office. If contractor at site do not want to follow engineer instruction, do not argue with contractor. Else it may end up with quarrel; sometime with fighting. Therefore, leave the site immediately.

Tags : Body Moisturizing Cheap Computer Gifts audiobook on mp3 Baby Bath Tub Online Electronics Gifts

Lecture -1 Structural Analysis

Lecture Series on Structural Analysis II by Prof. P. Banerjee, Department of Civil Engineering, IIT Bombay For more Courses visit nptel.iitm.ac.in

See more : Civil Engineering Cheap Shipping Women's Sandals

What Are The Common Problems Encountered On Project Management Work-Civil And Structural Engineer?

Reading Level: Intermediate

One of the tasks of civil engineer is the project management. Wherever a project commence, it is starting of 'live' of project problem until it has been completed build. Below are some of common problems that civil engineer may faced:

1. Project commenced without acknowledgment of civil engineer. It is common especially for small scale of project; such as single unit of structure like bungalow. Engineer will only alert whenever problem is happened at site; and problem is unable to resolve it by contractor. Contractor will like to build it without interruption of engineer.

2. Even though civil engineer aware about the construction work, some of un- responsible contractor will try to do some work in the time that engineer is unable to present. As for example; contractor carry out the concreting work after office hour especially in the evening, nighttime and public holiday. Once concreted, engineer is unable to inspect it.

3. Whenever construction started, un-experience contractor will do work by referring to civil engineering drawings without read in-conjunction with other professional drawing such as architecture, mechanical and electrical drawings. As a result, there will be a number of hacking during or after completion of structural works. It incurred a number of arguments and costs.

4. Even though an inexperience contractor is read engineering drawings, somehow contractor is build to their own knowledge; especially from contractor previous project. If previously contractor had been built a number of pad footing foundation, contractor obtain a piling foundation project. The contractor will try to change it to pad footing foundation by his own knowledge. Or even in pad footing foundation, contractor will change pad footing to smaller size. It will end up with structural problem.

5. Some irresponsible contractor will ignore engineer instruction. Contractor will build to his own knowledge. Contractor will always persuade client that contractor is builder. Contractor tells client that he is more site experience than civil engineer. Engineer has not much site building experience. Most of the time, client will agree with contractor because contractor shown client with physical construction works and engineer without much of physical product. These will continue until problem happened and unable to resolve by contractor. Finally, they will seek for engineer advice.

6. Contractor perform cost cutting on project work. Now days, project cost is very competitive. In order to obtain a project by bidding, some contractor may lower down the bidding cost to below the cost. When project is awarded, contractor will perform unnecessary cost cutting. This will endanger client.

7. When client is contractor and contractor is client, civil engineer will be in difficult position on dealing with client and contractor. There will be always in conflict of interest.

These problems may faced by civil engineer. How to overcome them will mainly base on engineer experience. Junior engineer shall not advice to send them to resolve these matters. Anyway, junior engineer shall be in guidance of senior engineer whenever problems are being solved.

Tags : Skin Care Cheap Prices by SccP for you. Best Selling Products We Review It !!! Dining Room Furniture

Utilization of Structural Design in Structural Engineering

Structural design is one of the most important parts in structural engineering. Structural engineering is used in large number of industrial areas. These areas include construction of residential buildings, dams, shop designing etc. Here structural design plays a vital role to accomplish these tasks effortlessly.

It can be identified as a process used for construction of buildings or other structures. In this process, "engineering mechanics" is used so that these structures can resist load. Structural design mainly focuses on giving them maximum stability. Now when the structural design gets completed, one will have a feasible solution in the form of a secure and economic designed structure.

Structural design needs great amount of planning and concentration. Structural/Civil engineers deeply observe the situation and make a strategy in order to make structures strong enough to withstand loads and other external forces. They plan it according to engineering mechanics and give these structures strong integrity and safety. Some of the main areas of concern are:

o Stability against loads/external forces
o Reliability/Safety
o Strength/Potential.

In structural engineering, structural design is responsible for building's support. It takes care of building parts like:

o Beams
o Walls
o Columns, Floors etc.

Then it simply calculates how to maximize the strength of a building structure by utilizing available materials. It also takes care of what factors can affect the strength of the buildings.

Now the next step is to decide which construction technique should be used. This construction technique should be unique, easy to implement and economic. Also it should follow safety measures of the construction industry. If implemented properly, it saves ample of time and thus helps your business do better and better.

This is how structural design is used in structural engineering. It simply uses structural and civil engineering concepts and makes buildings/structures strong and accurate enough for business purpose.

Friends Link : Wonderful Rings from a great selection of jewelry Civil Engineering Pile Load Test Rainforce Steel Soil Foxy

Introduction to Structural Engineering and Steel Design

An introductory video of building construction and steel construction

Shallow Foundation Piers and Marine Structures Concrete Beam

Structural Engineering Lessons - EMS by MISPOTACH

EMS is Electric Monopole Structure. This is simply calculation how to determine steel thickness of EMS and it is compared with concrete addition...ENJOY it :p

Civil Engineering

Structural Civil Engineering

Structural civil engineering is involved in one of many areas under construction. They have the task of designing buildings and machinery. The primary objective of a structural engineer is to provide a structure, design, regardless of the type that is built with strong integrity, when a lot of attention to be paid to the reliability and safety of the works.

What kinds of things you need to build structural and civil engineering? Thousands of things that are specificallymain elements that contain a lot of planning, design and attention to detail. For example, one of the leading structural engineers design machines, like cranes or more pieces of medical equipment or furniture. A structural engineer may also build different vehicles such as boats, space ships, aircraft and large trucks.

However, construction and structural engineering in the construction industry has to do with tunnels, dams, walls or other walls,Bridges and buildings. You are responsible for systems and components that support the relevant structures. There are many elements that go in the development of the structural system of a building or an ideal location for that matter. They have great voices that the ability to resist collapse on design, maintain security in mind. Things must fall on his head, for example, also provide the building for a business or residence.

Structural Civil Engineering is responsiblesupport for all aspects of a building. I mean, are responsible for the design of floors, columns and beams responsibility. You need to decide which materials can be used and the viability of these materials. They are also responsible for defining, such as energy, heat and humidity inside the building and its materials and interact.

They continue to assume responsibility for determining the efficiency of the structure to water, can withstand wind, earthquakes, tsunamis, structural weight andSabotage or violence. In essence, the structural integrity is based on high, the knowledge and skills of those involved in construction and Civil Engineering.

Reclamation