BridgeMont Concrete Deck Motor Truck Scale

For two decades Weigh-Tronix has built premium truck scales that have become the performance benchmark for ruggedness and performance in heavy use applications. Now Weigh-Tronix has introduced a new class of truck scale, the BridgeMont. It is a scale for the majority of users, the people who require a scale they can count on, day in and day out.

BridgeMont designers asked new questions: How do you reduce the cost of truck scale ownership?

As they began the development of the new BridgeMont truck scale, Weigh-Tronix designers recognized that their strength was building truck scales with long service life. Now they needed to ask "How do we build the same quality into a scale for general use? How do we provide the product that gives long years of service without over building? What design choices do we make that will reduce the cost of truck scale ownership?"

Structural integrity, the biggest variable in cost of ownership.
Weigh-Tronix designers employed a technology called Finite Element Analysis (FEA) to the design of the BridgeMont to substantially reduce the cost of our standard truck scale without sacrificing structural integrity.

Weigh-Tronix engineers created computer generated models of each proposed design for the new BridgeMont Truck Scale. The FEA technology permitted them to measure critical stress factors on virtually every component of the scale, testing the new designs under worst case conditions. They could test the performance of the deck when it is improperly loaded, checking for potential damage and premature wear.

As a result they developed a new configuration for the deck that reduced the weight of the deck but maintained the strength. The FEA technology let designers model and pretest multiple designs, letting them make the most efficient use of structural steel and concrete.

The weighing surface of the BridgeMont Concrete Deck is a 5-inch concrete deck supported by BridgeMont'­s steel substructure and bottom deck plate. The substructure supports the concrete of the traffic area of the scale. When the scale is in use, the steel assumes all tension loading. The concrete assumes only compression load as it is meant to do. Shear studs in the deck plate bond the concrete to the steel elements providing a composite structure.

One of the unique choices designers made for the concrete version of the BridgeMont Truck Scale was to specify fiber mesh concrete for the deck. Fiber mesh concrete blends virgin polypropylene fiber with the concrete to strengthen the concrete, making it resistant to cracking and damage from temperature changes. BridgeMont Concrete Truck Scales with fiber mesh concrete have no need for rebar or wire mesh reinforcement for the poured concrete decks.

BridgeMont preserves the best elements of proven Weigh-Tronix design
BridgeMont installs anywhere. Depending on your state regulations, space requirements and environmental conditions, you can use it as a pit type scale, place it on a concrete slab, or simply set it on concrete piers.

BridgeMont employs Weigh-Tronix traditional link suspension. Each deck section is suspended from the Weigh Bars by a hardened steel link. This allows the deck to be self-centering. It compensates for expansion and contraction of the deck due to tem-perature changes. It eliminates the effects of torque and side loading.

The heart of the BridgeMont Steel Truck Scale is the Weigh Bar weight sensor. Weigh-Tronix machines Weigh Bars from high quality aircraft alloy steel bar stock. Each Weigh Bar goes through a three-step process of heat treating, quenching and then tempering. The process has two benefits. First, it increases the weight sensor­s resistance to corrosion. Secondly, it enhances the performance of the Weigh Bar; ensuring its high degree of repeatability by minimizing hysteresis. The Weigh Bar has proven to be the most dependable and long lasting electronic weight sensor in the industry.

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