Post Tension Concrete Anchor System round anchor flat anchor Mine Anchorage

Short Description:

Mainly used in highway bridges, railway bridges, urban interchanges, urban light rails, high-rise buildings, water conservancy and hydropower dams, port terminals, rock mass slope protection anchoring, foundation reinforcement, warehouse workshops, bridges and buildings reinforcement, pre-tensioned

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1)Production technology :
Hardness too high, brittle;
carburization controlled by heat treatment to make the core soft and surface hard , make it tough hardness.

2)Raw material: raw material quality ,internal organizational structure and chemical .

3)The angle suit for anchor head.

4)There are no rust and Debris （sand…) in the anchor head hole’s inside and teeth of wedge .at the same time the PC Strand no
rust.

Anchor head :

It’s the key part of prestressing tension systems, The flat anchor head is made by 40Cr high-quality carbon
construction steel.

Holes from 2 to 5 .

Size : 12.70mm ,15.24mm and 15.70mm .

Set: There are bearing plate ,reinforcement ring ,duct ,jack ,pump machines……

1. Round anchorage

Components for one full set	Anchor head+wedge+bearing plate+spiral reinforcement
Round anchorage	1-50 holes
Material of anchor head	40Cr
Material of wedge	20CrMnTi
Material of bearing plate	HP300
Material of spiral reinforcement	Q235
Surface treatment	anti-rust treatment
Package	in cartons or wooden boxes
Application field	post tension projects such as bridges, malls and roads

JM15 Series Tension End Set Design-JT Standard
AnchorageModel	Anchorage		Casting Plate(Round Type)		Strand Number
AnchorageModel	Diameter(φD)	Thickness(B)	Diameter(C)	Height(D)	Strand Number
JT15-01	48	48			1
JT15-02, 03	91	50	130	110	2, 3
JT15-04	102	50	145	120	4
JT15-05	112	50	160	130	5
JT15-06	126	52	180	150	6
JT15-07	126	52	180	150	7
JT15-08	136	55	195	160	8
JT15-09	146	55	208	160	9
JT15-10	156	58	220	180	10
JT15-11	166	58	235	190	11
JT15-12	166	60	235	190	12
JT15-13	170	63	235	190	13
JT15-14	176	65	250	210	14
JT15-15	186	68	265	245	15
JT15-16	196	70	265	245	16
JT15-17	196	73	275	265	17
JT15-18	206	75	285	280	18
JT15-19	206	75	285	280	19

2. Flat Anchor

Barrel raw material	40Cr
Wedge raw material	20CrMnTi ; 20CrMn5
Anchor hardness(HRB)	25-35
Wedge surface hardness	HRA79-84
Wedge core hardness	HR38-46
Carburization layer depth	0.35-0.6MM ; 0.6-0.8MM
Anchor efficiency coefficient	>0.95
With-draw of wedge after stressing	<6MM
Tempered	1-4
Retained Austenite	1-4
Inspection of appearance	Tooth shape without defect ,bad teeth ,Variant
Standard	GB/T2301-2004