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Improving Global Quality of Life

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9 Needs and challenges <strong>of</strong> major industry sectors for future applications<br />

excessive fatigue damage and corrosion loss that went unchecked. To prevent this, considerable research<br />

is ongoing in the bridge health monitoring arena. A variety <strong>of</strong> sensors are available in the market that can<br />

be incorporated in a warning system to alert bridge owners to conduct timely maintenance, or in case <strong>of</strong><br />

imminent failure, to shut down a bridge to save lives.<br />

Nations will benefit by adopting and implementing appropriate, ready-to-go researched information and<br />

technologies, products, or processes that can result in economic or qualitative benefits. A comprehensive<br />

list <strong>of</strong> such items to meet the needs <strong>of</strong> all countries is not possible in this paper, but here are a few broad<br />

items that are considered as significant and have high potential for bridges, including welded steel bridges.<br />

<strong>Global</strong> Positioning System (GPS): GPS uses satellites that transmit signals continuously and has many<br />

highway applications including surveying pavement and bridge deck conditions, and inventorying<br />

highway assets. GPS <strong>of</strong>fers increased accuracy and reduces labour, time and costs.<br />

Accelerated construction: Accelerated construction is an approach to highway construction<br />

employing many techniques and technologies. This approach will bring to the attention <strong>of</strong> the<br />

highway community many innovations and research results currently available but not generally<br />

applied. Concepts and ideas must be defined if plans to implement them into highway engineering<br />

practice are to be fulfilled. Using accelerated construction techniques or technologies will<br />

accelerate the construction <strong>of</strong> highway projects with extended service lives to reduce user delay<br />

and community disruption.<br />

Prefabricated bridge elements and systems: Prefabricated bridge elements and systems may be<br />

manufactured on-site or <strong>of</strong>f-site, under controlled conditions, and brought to the job location<br />

ready to install. These systems minimise traffic impacts <strong>of</strong> bridge construction projects, improve<br />

construction zone safety, make construction less disruptive for the environment, increase quality<br />

and lower life-cycle costs. Using these systems reduces traffic and environmental impacts by<br />

minimising the need for lane closures, detours, and use <strong>of</strong> narrow lanes.<br />

The key is to reflect changing times and customer expectations that have broadened the job facing the<br />

welding industry. Today, the job is not just putting welded components together to build a bridge, but to find<br />

ways to join and erect the members rapidly to enhance mobility and productivity, which are the core <strong>of</strong> the<br />

transportation industry.<br />

The leadership in the welding community has been striving to identify critical performance gaps that must<br />

be addressed as short-term solutions and these must align with long-term strategic direction. This should<br />

help support welding needs <strong>of</strong> related industries in any country. For example, the following table identifies<br />

(a) Short-term technical elements and (b) Long-term strategic direction for meeting USA transportation<br />

needs for highways (from the Strategic Highway Research Programme Report 260). For success in meeting<br />

transportation needs, all partners and contributors, including welding pr<strong>of</strong>essionals, working to close<br />

short-term gaps and to meet long-term strategic goals must identify their respective needs and align them<br />

accordingly.<br />

Short - term performance gaps<br />

• Safety<br />

• Congestion<br />

• Environmental Streamlining &<br />

Stewardship<br />

Long - term strategic direction<br />

• Safety<br />

• Mobility and Productivity<br />

• Human & Natural Environment<br />

• National Security<br />

• Organisational Excellence<br />

Through Optimum Use and Innovation <strong>of</strong> Welding and Joining Technologies<br />

<strong>Improving</strong> <strong>Global</strong> <strong>Quality</strong> <strong>of</strong> <strong>Life</strong><br />

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