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Technical-Economic Indexes Comparison between Aluminum Alloy Template and Other Templates

　　According to the analysis and comparison in the table, the lump-sum investment for aluminum alloy template is higher, but its amortization expense is lower than others. The salvage value of aluminum alloy building template is high, so its advantage in fully allocated cost is more evident.

S/N	Item	Aluminum alloy template	63 model low alloy steel template	Built-up steel template	All steel template	Heavy steel frame plywood template	Light steel frame plywood template	Wood template
1	Surfacing material	3.15+0mm thick aluminum plate	3+0mm thick steel plate	2.3~2.5mm thick steel plate	5~6mm thick steel plate	18mm thick film faced plywood	15 mm thick film faced plywood	15mm thick film faced plywood
2	Template thickness(mm)	54	63	55	86	120	120	15
3	Template weight (Kg/m²)	18.5~20	38	35~40	80~85	56~68	40~42	10.5
4	Bearing capacity (KN/m²)	30	30	30	60	60	50	30
5	Estimated price of template (yuan/m²)	700	304	280	700	680	450	50
6	Turnover frequency (time)	300	200	100	250	200	150	8
7	Amortization expense/ m² (Yuan/time)	2.5	1.52	2.80	2.80	3.40	3.00	6.25
8	Construction difficulty	Easy	Easy	Easier	Difficult	Difficult	Easy	Easy
9	Maintenance expense	Low	Low	Lower	High	High	High	Low
10	Construction efficiency	High	High	Low	Higher	Low	Higher	Low
11	Application scope	Wall, column, girder, slab, bridge	Wall, column, girder, slab, bridge	Foundation, Wall, column, girder, slab	Wall	Wall, column, girder, slab, bridge	Wall, column, girder, slab, bridge	Wall, column, girder, slab, bridge
12	Quality of concrete surface	Flat and glabrous to meet the fishing and decoration facing requirement.	The surface is flat and glabrous to meet the requirements of common facing.	Rough surface and low precision.	The surface is flat and glabrous to meet the requirements of common facing.	Flat and glabrous to meet the fishing and decoration facing requirement.	Flat and glabrous to meet the fishing and decoration facing requirement.	Rough surface
13	Recycling value	High	Middle	Middle	Middle	Low	Low	Low
14	Dependence on hoist machinery	No	No	No	Yes	Yes	Yes	No
15	Others	Upkeep is covered in amortization expense.	Upkeep is covered in amortization expense.	Upkeep is covered in amortization expense.	Upkeep is covered in amortization expense.	Amortization expense plus 4 times of faceplate	Amortization expense plus 4 times of faceplate	Upkeep is covered in amortization expense.

It has wide application scope. Aluminum alloy building templates are applicable for wall templates, horizontal floor-slabs, columns, girders, climbing forms, and bridge templates, etc.