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2. Precast concrete lifting anchor system - Wikipedia

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

   When selecting an anchor, consider the element formwork and the ease of placement and securing of the anchor prior and during the pouring of the concrete. For example, some of the anchors shown in figures 4-6, can be placed into thin wall elements as the anchor chair maintains the position relative to the element thickness.

3. Pike pole - Wikipedia

   en.wikipedia.org/wiki/Pike_pole

   The pole's original use in the fire service was to pull down walls and neighboring buildings to stop a fire's spread. Modern firefighting pike poles are usually of fiberglass, between 4 feet to 12 feet long, and used to search for fires hidden behind walls and ceilings, to pull items from intense heat and flames, and to ventilate structures by ...

4. Anchor bolt - Wikipedia

   en.wikipedia.org/wiki/Anchor_bolt

   Cyclic Crack (also named “crack movement”): RC primary structure undergoes in severe damage condition [24] (i.e. cracking) and the most un-favorable case for anchor performance is when the crack plane contains the anchor's axis and the anchor is loaded by a positive axial force (constant during crack cycles).

5. Filler (materials) - Wikipedia

   en.wikipedia.org/wiki/Filler_(materials)

   Filler can have a negative or positive effect on fatigue resistance depending on the filler type and shape. In general fillers create small discontinuities in the matrix. This can contribute to crack initiation point. If the filler is brittle fatigue resistance will be low, whereas if the filler is very ductile the composite will be fatigue ...

6. Digging bar - Wikipedia

   en.wikipedia.org/wiki/Digging_bar

   Using digging bars to move rocks A girl and a man dig a hole with a heavy digging bar to plant a tree. Common uses of digging bars include breaking up clay, concrete, frozen ground, and other hard materials, moving or breaking up tree roots and obstacles, and making holes in the ground for fence posts.

7. AOL Mail

   mail.aol.com

   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!

8. Lewis (lifting appliance) - Wikipedia

   en.wikipedia.org/wiki/Lewis_(lifting_appliance)

   A lewis (sometimes called a lewisson) is one of a category of lifting devices used by stonemasons to lift large stones into place with a crane, chain block, or winch. It is inserted into a specially prepared hole, or seating , in the top of a stone, preferably above its centre of mass .

9. Lift slab construction - Wikipedia

   en.wikipedia.org/wiki/Lift_slab_construction

   In Latin America, contractors have started to use a form of lift slab construction where load-bearing concrete walls are raised at the same time as the floor slabs. Both the wall panels and the floor slabs are cast on the ground. The walls are attached to the slabs through hinges formed by plastic ropes.