QSM Anchor Series

Standards

National
GB/T 14370
Highway
JT/T 329
Railway
TB/T 3193
CR
Q/CR 905
British
BS EN-13391
AASHTO
AASHTO LRFD BCS
European
EAD 160004

QSM Anchorage System

The system is composed of tension end anchorages (QSM anchorage, BM anchorage), fixed end anchorages (H-type, P-type, PT-type), connectors, and corrugated pipes. This anchorage system offers the following advantages: Wide application range for both pre-tensioned and post-tensioned prestressed concrete structures and components, capable of anchoring steel strands of grades 1,860-2,000MPa and below with diameters of φ12.7mm, φ15.24 (φ15.20)mm, φ17.80mm, and φ21.80mm. The QSM anchorage system is suitable for anchoring 1-55 steel strands, and delivers good self-anchoring performance, flush follow-up of wedge, excellent clamping performance, high anchoring efficiency coefficient, stable and reliable anchoring performance, and convenient construction operation.

Product Name	QSM Anchorage System
Applicable Strand	φ12.7 mm / φ15.24 mm / φ15.20 mm / φ17.80 mm / φ21.80 mm
Number of Strands	1-55 strands
Components	Tension-end anchorages, fixed-end anchorages, connectors, corrugated ducts, wedges, bearing plates, spiral reinforcement
Application	Pre-tensioned and post-tensioned prestressed concrete structures and components
Standards	GB/T 14370 / JT/T 329 / TB/T 3193 / Q/CR 905 / BS EN-13391 / AASHTO LRFD BCS / EAD 160004

QSM Anchorage System Assembly for anchoring 1–55 steel strands (φ12.7–φ21.8mm, 1,860–2,000MPa), offering excellent self-anchoring, high efficiency, and easy installation.

QSM Tension End Round Anchorage System

The system is composed of working anchor plate, working wedge, anchor bearing plate, corrugated pipe, spiral reinforcement, and steel strand. It can be used in pre-tensioned and post-tensioned prestressed concrete structures and components in conjunction with jacks of corresponding models primarily for the purpose of tensioning the prestressing tendons to achieve specified prestress levels and maintain such stresses throughout the component.

QSM15 Series Highway Tension-End Round Anchorage Technical Parameters

Model	No. of Strands	Anchor Plate	Bearing Plate		Spiral Reinforcement				Corrugated Duct	Tensioning Jack Model
Model	No. of Strands	ØE×F	ØA×B	ØC	ØI	Ød	L	Coils	ØD (I.D.)	Tensioning Jack Model
YM15-1	1	Ø50×48	--	--	Ø80	Ø8	30	4	--	--
YM15-2	2	Ø86×48	Ø130×110	Ø109	Ø115	Ø8	30	4	Ø50	YCW100C
YM15-3	3	Ø91×50	Ø130×110	Ø109	Ø120	Ø10	40	4	Ø50	YCW100C
YM15-4	4	Ø102×50	Ø145×120	Ø121	Ø140	Ø10	50	4	Ø50	YCW100C
YM15-5	5	Ø112×50	Ø180×130	Ø130	Ø150	Ø10	50	4	Ø55	YCW100C
YM15-6	6	Ø126×52	Ø180×150	Ø146	Ø170	Ø12	50	4	Ø70	YCW150C
YM15-7	7	Ø126×53	Ø180×150	Ø146	Ø170	Ø12	50	4	Ø70	YCW150C
YM15-8	8	Ø136×55	Ø195×160	Ø160	Ø190	Ø12	50	4	Ø80	YCW250C
YM15-9	9	Ø146×55	Ø208×160	Ø171	Ø200	Ø12	50	4	Ø80	YCW250C
YM15-10	10	Ø156×58	Ø220×180	Ø183	Ø205	Ø14	60	4	Ø90	YCW250C
YM15-11	11	Ø166×58	Ø235×190	Ø189	Ø205	Ø14	60	4	Ø90	YCW250C
YM15-12	12	Ø166×60	Ø235×190	Ø189	Ø230	Ø14	60	4	Ø90	YCW250C
YM15-13	13	Ø170×63	Ø235×190	Ø189	Ø230	Ø14	60	4	Ø90	YCW350C
YM15-14	14	Ø176×65	Ø250×210	Ø204	Ø240	Ø14	60	4	Ø90	YCW350C
YM15-15	15	Ø186×68	Ø265×245	Ø212	Ø260	Ø16	60	5	Ø90	YCW350C
YM15-16	16	Ø196×70	Ø265×245	Ø218	Ø260	Ø16	60	5	Ø90	YCW350C
YM15-17	17	Ø196×73	Ø275×265	Ø218	Ø280	Ø16	60	5	Ø90	YCW350C
YM15-18	18	Ø206×75	Ø285×280	Ø231	Ø280	Ø16	60	5	Ø100	YCW400C
YM15-19	19	Ø206×75	Ø285×280	Ø231	Ø280	Ø16	60	5	Ø100	YCW400C
YM15-20	20	Ø226×80	Ø300×290	Ø258	Ø290	Ø16	60	5	Ø120	YCW500C
YM15-21	21	Ø226×80	Ø300×290	Ø258	Ø290	Ø16	60	5	Ø120	YCW500C
YM15-22	22	Ø226×80	Ø300×290	Ø258	Ø290	Ø18	60	5	Ø120	YCW500C
YM15-23	23	Ø238×85	Ø330×300	Ø280	Ø330	Ø18	60	5	Ø120	YCW500C
YM15-24	24	Ø243×85	Ø330×300	Ø280	Ø330	Ø18	70	5	Ø120	YCW500C
YM15-25	25	Ø245×85	Ø330×300	Ø280	Ø330	Ø18	70	5	Ø120	YCW550C
YM15-26	26	Ø245×90	Ø330×300	Ø280	Ø330	Ø18	70	5	Ø120	YCW550C
YM15-27	27	Ø245×90	Ø330×300	Ø280	Ø330	Ø18	70	5	Ø120	YCW550C

YJM15 Series Railway Tension-End Round Anchorage Technical Parameters

Model	No. of Strands	Anchor Plate	Bearing Plate				Spiral Reinforcement				Duct Diameter	Tensioning Jack Model
Model	No. of Strands	ØE×F	A×A×B	Grouting Hole Position H	Mounting Hole Position C	Lower Opening ØG	ØD	Ød	L	Coils	Duct Diameter	Tensioning Jack Model
YJM15-2	2	Ø86×50	-	-	-	-	-	-	-	-	-	-
YJM15-3	3	Ø91×50	140×140×80	65	100	Ø60	Ø180	Ø10	40	3	Ø50	YCW100C
YJM15-4	4	Ø102×50	160×160×95	70	110	Ø65	Ø195	Ø10	40	4	Ø55	YCW100C
YJM15-5	5	Ø112×50	180×180×120	80	120	Ø70	Ø215	Ø12	50	4	Ø60	YCW100C
YJM15-6	6	Ø126×52	195×195×130	90	130	Ø75	Ø230	Ø12	50	4	Ø65	YCW150C
YJM15-7	7	Ø126×53	210×210×130	100	140	Ø75	Ø250	Ø12	50	4	Ø65	YCW150C
YJM15-8	8	Ø136×55	225×225×140	105	155	Ø85	Ø265	Ø16	55	5	Ø75	YCW250C
YJM15-9	9	Ø146×55	240×240×155	110	165	Ø90	Ø275	Ø16	55	5	Ø80	YCW250C
YJM15-10	10	Ø156×58	250×250×195	115	160	Ø95	Ø275	Ø16	55	5	Ø85	YCW250C
YJM15-11	11	Ø166×58	265×265×255	115	160	Ø95	Ø300	Ø16	55	5	Ø85	YCW250C
YJM15-12	12	Ø166×60	275×275×255	115	180	Ø95	Ø300	Ø16	55	6	Ø85	YCW250C
YJM15-13	13	Ø170×63	285×285×255	120	175	Ø100	Ø310	Ø16	55	6	Ø90	YCW350C
YJM15-14	14	Ø176×65	300×300×260	140	210	Ø105	Ø335	Ø16	55	6	Ø95	YCW350C
YJM15-15	15	Ø186×68	310×310×280	150	220	Ø105	Ø335	Ø20	60	6	Ø95	YCW350C
YJM15-16	16	Ø196×70	320×320×295	155	240	Ø115	Ø360	Ø20	60	6	Ø105	YCW350C
YJM15-17	17	Ø196×73	330×330×295	180	240	Ø115	Ø360	Ø20	60	6	Ø105	YCW350C
YJM15-18	18	Ø206×75	340×340×300	165	245	Ø125	Ø380	Ø20	60	6	Ø115	YCW400C
YJM15-19	19	Ø206×75	345×345×300	165	245	Ø125	Ø380	Ø20	60	6	Ø115	YCW400C
YJM15-20	20	Ø226×80	355×355×330	170	250	Ø125	Ø400	Ø20	60	7	Ø115	YCW500C
YJM15-21	21	Ø226×80	365×365×380	170	250	Ø125	Ø400	Ø20	60	7	Ø115	YCW500C
YJM15-22	22	Ø230×85	365×365×382	170	250	Ø125	Ø400	Ø20	60	7	Ø115	YCW500C
YJM15-23	23	Ø246×90	370×370×440	184	280	Ø130	Ø400	Ø20	60	7	Ø120	YCW550C
YJM15-24	24	Ø246×90	375×375×465	184	280	Ø130	Ø405	Ø22	65	7	Ø120	YCW550C
YJM15-25	25	Ø252×100	375×375×465	184	280	Ø130	Ø405	Ø22	65	7	Ø120	YCW550C
YJM15-26	26	Ø252×100	380×380×475	184	280	Ø135	Ø410	Ø22	65	7	Ø125	YCW600C
YJM15-27	27	Ø252×100	380×380×475	184	280	Ø135	Ø410	Ø22	65	7	Ø125	YCW600C

Deep Buried Anchorage System

The system is composed of steel sleeve, working wedge, working anchor plate, bolt, anchor bearing plate, spiral reinforcement, corrugated pipe, and steel strand. It can be used in pre-tensioned and post-tensioned prestressed concrete structural components in conjunction with jacks of corresponding models and customized extension sleeves primarily for the purpose of tensioning the prestressing tendons to achieve specified prestress levels and maintain such stresses throughout the component. Compared with ordinary anchorages, the deep buried anchorages have the advantage of saving materials.

15 Series Round Deep-Buried Anchorage Technical Parameters

Model	No. of Strands	Anchor Plate	Bearing Plate	Steel Sleeve				Spiral Reinforcement				Corrugated Duct
Model	No. of Strands	ØE×F	ØC×D	ØA	ØJ	L1	L2	Ød	H	ØK	Coils	ØG (I.D.)
SM15-3J	3	Ø91×50	Ø130×110	Contact QSM	--	--	Provided by customer	Ø10	40	Ø120	4	Ø50
SM15-4J	4	Ø102×50	Ø145×120	Contact QSM	--	--	Provided by customer	Ø10	50	Ø140	4	Ø50
SM15-5J	5	Ø112×50	Ø180×130	Contact QSM	--	--	Provided by customer	Ø10	50	Ø150	4	Ø55
SM15-6J	6	Ø126×52	Ø180×150	Contact QSM	--	--	Provided by customer	Ø12	50	Ø170	4	Ø70
SM15-7J	7	Ø126×53	Ø180×150	Contact QSM	--	--	Provided by customer	Ø12	50	Ø170	4	Ø70
SM15-8J	8	Ø136×55	Ø195×160	Contact QSM	--	--	Provided by customer	Ø12	50	Ø190	4	Ø80
SM15-9J	9	Ø146×55	Ø208×160	Contact QSM	--	--	Provided by customer	Ø12	50	Ø200	4	Ø80
SM15-10J	10	Ø156×58	Ø220×180	Contact QSM	--	--	Provided by customer	Ø14	60	Ø205	4	Ø90
SM15-11J	11	Ø166×58	Ø235×190	Contact QSM	--	--	Provided by customer	Ø14	60	Ø205	4	Ø90
SM15-12J	12	Ø166×60	Ø235×190	Contact QSM	--	--	Provided by customer	Ø14	60	Ø230	4	Ø90
SM15-13J	13	Ø170×63	Ø235×190	Contact QSM	--	--	Provided by customer	Ø14	60	Ø230	4	Ø90
SM15-14J	14	Ø176×65	Ø250×210	Contact QSM	--	--	Provided by customer	Ø14	60	Ø240	4	Ø90
SM15-15J	15	Ø186×68	Ø265×245	Contact QSM	--	--	Provided by customer	Ø16	60	Ø260	5	Ø90
SM15-16J	16	Ø196×70	Ø265×245	Contact QSM	--	--	Provided by customer	Ø16	60	Ø260	5	Ø90
SM15-17J	17	Ø196×73	Ø275×265	Contact QSM	--	--	Provided by customer	Ø16	60	Ø280	5	Ø90
SM15-18J	18	Ø206×75	Ø285×280	Contact QSM	--	--	Provided by customer	Ø16	60	Ø280	5	Ø100
SM15-19J	19	Ø206×75	Ø285×280	Contact QSM	--	--	Provided by customer	Ø16	60	Ø280	5	Ø100

BM Tension End Flat Anchorage System

BM15 Series Highway Tension-End Flat Anchorage Technical Parameters

Model	No. of Strands	Anchor Plate			Bearing Plate			Spiral Reinforcement					Flat Duct I.D. Size
Model	No. of Strands	F	G	H	A	B	C	I	J	Ød	L	Coils	D	E
BM15-2J	2	80	48	50	150	140	70	124	92	Ø8	50	4	50	22
BM15-3J	3	115	48	50	180	160	70	162	92	Ø8	50	4	60	22
BM15-4J	4	150	48	50	220	210	70	202	92	Ø8	50	4	70	22
BM15-5J	5	185	48	50	260	250	70	242	92	Ø8	50	5	90	22

QSM Fixed End P-Type Anchorage System

When post-tensioning stress needs to be directly transmitted to the beam end, the P-type anchorage system can be adopted. This system is composed of extrusion sleeve (including a triangular steel wire extrusion spring), fixed end anchor plate, constraining ring, spiral reinforcement, etc. The extrusion sleeve, extrusion spring, and steel strand are extruded and anchored using a GYJ-A extruder, with an associated ZB4-500 electric oil pump as power unit.

QSM15 Series Highway Fixed-End P-Type Anchorage Technical Parameters

Model	No. of Strands	Fixed-End Anchor Plate	Installation Distance		Corrugated Duct	Restraining Ring O.D.	Spiral Reinforcement
Model	No. of Strands	A×A	B(min)	C	ØD (I.D.)	ØE	ØI	Ød	L	Coils
QSM15P-1J	1	80	-	-	-	-	Ø80	Ø8	30	4
QSM15P-2J	2	100	180	85	Ø50	Ø68	Ø115	Ø8	30	4
QSM15P-3J	3	120	180	85	Ø50	Ø68	Ø120	Ø10	40	4
QSM15P-4J	4	140	240	110	Ø50	Ø73	Ø140	Ø10	50	4
QSM15P-5J	5	155	300	110	Ø55	Ø73	Ø150	Ø10	50	4
QSM15P-6J	6	170	380	110	Ø70	Ø90	Ø170	Ø12	50	4
QSM15P-7J	7	185	380	110	Ø70	Ø90	Ø170	Ø12	50	4
QSM15P-8J	8	195	420	110	Ø80	Ø100	Ø190	Ø12	50	4
QSM15P-9J	9	210	440	110	Ø80	Ø100	Ø200	Ø12	50	4
QSM15P-10J	10	220	460	120	Ø90	Ø114	Ø205	Ø14	60	4
QSM15P-11J	11	230	500	120	Ø90	Ø114	Ø205	Ø14	60	4
QSM15P-12J	12	240	500	120	Ø90	Ø114	Ø230	Ø14	60	4
QSM15P-13J	13	255	500	135	Ø90	Ø114	Ø230	Ø14	60	4
QSM15P-14J	14	255	560	135	Ø90	Ø114	Ø240	Ø14	60	4
QSM15P-15J	15	260	560	135	Ø90	Ø114	Ø260	Ø16	60	5
QSM15P-16J	16	270	560	135	Ø90	Ø114	Ø260	Ø16	60	5
QSM15P-17J	17	280	720	135	Ø90	Ø114	Ø280	Ø16	60	5
QSM15P-18J	18	285	720	135	Ø100	Ø120	Ø280	Ø16	60	5
QSM15P-19J	19	300	720	135	Ø100	Ø120	Ø280	Ø16	60	5
QSM15P-20J	20	300	720	135	Ø120	Ø146	Ø290	Ø16	60	5
QSM15P-21J	21	300	720	135	Ø120	Ø146	Ø290	Ø16	60	5
QSM15P-22J	22	325	720	135	Ø120	Ø146	Ø290	Ø18	60	5
QSM15P-23J	23	325	720	135	Ø120	Ø146	Ø330	Ø18	60	5
QSM15P-24J	24	325	720	135	Ø120	Ø146	Ø330	Ø18	70	5
QSM15P-25J	25	325	860	135	Ø120	Ø146	Ø330	Ø18	70	5
QSM15P-26J	26	325	860	135	Ø120	Ø146	Ø330	Ø18	70	5
QSM15P-27J	27	350	860	135	Ø120	Ø146	Ø330	Ø18	70	5

BM Fixed End P-Type Flat Anchorage System

BM15 Series Highway Fixed-End P-Type Flat Anchorage Parameters

Model	No. of Strands	Fixed-End Anchor Plate		Installation Distance	Restraining Ring Profile		Spiral Reinforcement					Flat Duct I.D.
Model	No. of Strands	A	B	Cmin	F	G	I	J	Ød	L	Coils	D	E
BM15P-2J	2	140	75	650	70	40	130	84	Ø6	50	4	50	22
BM15P-3J	3	180	75	650	80	40	170	84	Ø6	50	4.5	60	22
BM15P-4J	4	220	80	650	90	40	210	84	Ø6	50	5	70	22
BM15P-5J	5	260	80	650	110	40	250	84	Ø6	50	6	90	22

QSM Low Retraction Anchorage System

The low retraction anchorage is specially developed to address the excessive retraction ratio during tensioning and relaxation of short prestressed bundles, which leads to significant loss of effective permanent prestress. It is an anchorage with low retraction and high efficiency that can be widely used in vertical prestressed structures of bridges such as long-span prestressed concrete continuous beams and continuous rigid frames, prestressed structures for anchorage of side slope, and other structures with relatively short prestressing tendons. It is composed of low retraction anchor plate, low retraction nut, anchor bearing plate, wedge, and spiral reinforcement.

QSM15L Round Connector Anchorage System

This system is composed of connector, extrusion sleeve, wedge, anchor bearing plate, spiral reinforcement, constraining ring, protective cover, corrugated pipe, steel strand, etc. There are two structure types (single-strand structure and multi-strand structure). The product of single-strand structure is used for splicing the prestressing tendons, while the product of multi-strand structure is used for splicing prestressed bundles primarily in the construction of continuous beams.

QSM15L Round Connector Anchorage Parameters

Model	A	B	ØC	Duct I.D. ØD	Restraining Ring O.D. ØE
QSM15L-2A/3	660	195	Ø155	Ø50	Ø68
QSM15L-4/5A	730	221	Ø181	Ø55	Ø73
QSM15L-6/7	748	239	Ø199	Ø70	Ø90
QSM15L-8A/9A	801	261	Ø221	Ø80	Ø100
QSM15L-10A/13	845	281	Ø241	Ø90	Ø114
QSM15L-14	888	291	Ø251	Ø90	Ø114
QSM15L-15A/16/17	950	315	Ø275	Ø90	Ø114
QSM15L-18/19	985	323	Ø283	Ø100	Ø120
QSM15L-20/21/22	976	341	Ø301	Ø120	Ø146
QSM15L-23/24/25/26/27	1091	375	Ø335	Ø120	Ø146

BM15L Flat Connector Anchorage System

This system is composed of connector, extrusion sleeve, wedge, anchor bearing plate, spiral reinforcement, constraining ring, protective cover, corrugated pipe, steel strand, etc. There are two structure types (single-strand structure and multi-strand structure). The product of single-strand structure is used for splicing prestressed reinforcements, while the product of multi-strand structure is used for splicing prestressed bundles primarily in the construction of continuous beams.

QSM Fixed End PT-Type Anchorage System

The compact structure of QSM fixed end PT-type anchorage makes it ideal for applications with spatial constraints. It effectively increases the prestressing application length while preventing direct bonding between the prestressed strand and concrete at the fixed end, thereby reducing corrosion risk of steel strand. This anchorage eliminates the need for embedded construction and facilitates load monitoring during the tensioning process.

QSM Fixed End H-Type Anchorage System

The QSM fixed end H-type anchorage system enables post-tensioning stress to be directly transmitted to the concrete. It is composed of a section of steel strand with a pyriform self-anchoring head, a reinforcement bracket for supporting the pyriform self-anchoring head, spiral reinforcement, a constraining ring, and a corrugated pipe, etc. The pyriform self-anchoring head of the steel strand is formed by extrusion using a special YH3 embossing machine, with an associated ZB4-500 electric oil pump as power unit.

JLM Finish Rolled Rebar Anchorage

JLM series finish rolled rebar anchorages are mainly used for tensioning and anchoring finish rolled rebars with diameters of 25mm and 32mm. They should be tensioned with YCW60B or YCW80B jacks, ZB4-500 electric oil pumps, and special tool connectors.

Low Retraction Prestressed Anchor Cable System for Bridges

According to different steel strand specifications, the low retraction prestressed anchor cable system for bridges can be divided into 13 Series (with φ12.7mm steel strands), Series 15 (with φ15.24mm steel strands), 18 Series (with φ17.8mm steel strands), 22 Series (with φ21.8mm steel strands), and 29 Series (with φ28.6mm steel wires), etc. The 22 Series and 29 Series are mainly recommended. The anchor cable system consists of tension end anchorages, cable bodies, and fixed end anchorages.

Ground Anchor

The ground anchor, also known as slope anchor, is mainly used for reinforcement of some slopes, tunnels and foundation pits. The ground anchor that is composed of a tension end and auxiliary components is classified into two major types (tension-dispersed type and pressure-dispersed type) by the type of fixed end; the tension end comprises anchor plate, wedge, anchor bearing plate (steel bearing plate), spiral reinforcement and other components, while the fixed end components vary according to the type of ground anchor.