Goods high definition for Magnetic name badges for Colombia Manufacturer
Customized any size 15 years experience Quality & Reputation concerned Coating : NiCuNi , Zn , NiCuNi+Sn ,NiCuNi+Cr ,NiCuNi+ Au By air ( magnet power shelding package ); By sea ( plastic sack package )
Goods high definition for Magnetic name badges for Colombia Manufacturer Detail:
Customized any size
15 years experience
Quality & Reputation concerned
Coating : NiCuNi , Zn , NiCuNi+Sn ,NiCuNi+Cr ,NiCuNi+ Au
By air ( magnet power shelding package ); By sea ( plastic sack package )
Product detail pictures:
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Step by step tutorial: In structural engineering, a shear wall is a wall composed of braced panels (also known as shear panels) to counter the effects of lateral load acting on a structure. Wind and seismic loads are the most common loads braced wall lines are designed to counteract. Under several building codes, including the International Building Code (where it is called a braced wall line) and Uniform Building Code, all exterior wall lines in wood or steel frame construction must be braced. Depending on the size of the building some interior walls must be braced as well.
A more traditional method is to use let-in diagonal wood bracing throughout the wall line, and a newer alternative is let-in metal T-bracing but these methods may not be viable for buildings with many door and window openings and may not meet seismic or high wind zone codes.
Such walls can be either load bearing or non-load bearing.
Shear walls are a type of structural system that provides lateral resistance to a building or structure. They resist in-plane loads that are applied along its height. The applied load is generally transferred to the wall by a diaphragm or collector or drag member. They are built in wood, concrete, and CMU (masonry).
Plywood is the conventional material used in the construction of shear walls, but with advances in technology and modern building methods, there are other prefabricated options which have made it possible to inject shear assemblies into narrow walls that fall at either side of an opening in a shear wall. Sheet steel and steel-backed shear panels in the place of structural plywood in shear walls has proved to be far stronger in seismic resistance.
Nonplanar Shear Walls: Due to functional requirements, the designer may choose non planar sections like C,L as opposed to the planar sections like rectangular/bar bell sections. Nonplanar sections require 3D analysis and are a research area.
Holdown (hold-down, hold down) or tie-down in structural engineering refers to the steel device or hardware that is installed at the end of a plywood shear wall. The holdowns provide uplift resistance against the overturning moment imposed on the wall due to “in-plane” lateral load applied at the top of the wall. 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.
At the bottom, the holdown is connected to the concrete foundation or structural slab by an embedded or epoxied anchor bolt. At the top, the holdown is connected to a wood post with screws, nails or bolts.
Today we play with Molten Lead found on Metal Detecting most of it was old fishing weights and some car battery lead
Final product will be a LEAD BAR OR LEAD INGOT – DMMD Story
After a little bit of research over the internet and checking other videos on Youtube for making a metal foundry, I found that I could buy refractory materials for stoves from any local Hardware store.
From start to the moment we started the furnace 2 days passed because I decided to use mostly dry materials and only a thin layer of plaster on top.
As fuel I’m using charcoal briquettes that usually burn at 400 ºC and can reach over 1000ºC with some extra oxygen trough a blower.
On our first attempt we succeeded to melt aluminum and this won’t be all, stay tuned for part to when we will try to melt brass which has a higher melting point.
Burning charcoal in a foundry can reach temperatures over 1000ºC, which means that it should be always supervised and it should not be used indoors or by children. This project should only be attempted with adequate knowledge and training and always with proper protective safety gear, and also in a safety area far from any buildings or other flammable materials. The sparks flying from the foundry can start fires, and the fumes may be toxic. If you want to start a project like this proceed with caution and use common sense. Be advised that using the content of this video will be at your own risk.
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Video: Nikon D7100 DSLR, 35 mm lens
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RetroFuture Clean Kevin MacLeod (incompetech.com)
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