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2. Simpson Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Simpson_Manufacturing_Company

   Simpson Manufacturing Company is a leading building materials manufacturer in the United States that produces structural connectors, fasteners, anchors, and products for new construction and retrofitting. The company was founded by Barclay Simpson in Oakland in 1956, as a successor to his father's window screen company. [1]

3. Precast concrete lifting anchor system - Wikipedia

   en.wikipedia.org/wiki/Precast_concrete_lifting...

   The anchor selection, together with additional reinforcement, and rigging arrangements is influenced by: - The dead weight of the element - The number of anchors in the element and the configuration of the anchor - Capacity of the anchor at the specific concrete compressive strengths at time of lift - The dynamic loads applied during lifting ...

4. Anchor bolt - Wikipedia

   en.wikipedia.org/wiki/Anchor_bolt

   In this case, concrete base material might be undamaged. Pull-out: the anchor is pulled out from the drilled hole partially damaging the surrounding concrete. When the concrete is damaged the failure is also indicated as pull-through. Concrete cone: after reaching the load-bearing capacity a cone shape is formed.

5. Hold down (structural engineering) - Wikipedia

   en.wikipedia.org/wiki/Hold_down_(structural...

   A hold-down may also refer to clamping device used to anchor a pipe to a structural steel element or concrete floor or allow movement of the pipe in an axial direction. [1] At the bottom, the hold down is connected to the concrete foundation or structural slab by an embedded or epoxied anchor bolt. At the top, the hold down is connected to a ...

6. Prestressed concrete - Wikipedia

   en.wikipedia.org/wiki/Prestressed_concrete

   Post-tensioned concrete is a variant of prestressed concrete where the tendons are tensioned after the surrounding concrete structure has been cast. [ 1 ] : 25 The tendons are not placed in direct contact with the concrete, but are encapsulated within a protective sleeve or duct which is either cast into the concrete structure or placed ...

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!