Reinforced Concrete Square Pile

TN E&C produces and supplies Reinforced concrete square pile for all large and small-scale transportation infrastructure projects in the South.

Concrete Pile

REINFORCE CONCRETE PILE

DIMENSION (mm x mm)	CONCRETE STRENGTH	PILE HEAD DETAILS (Mpa)	MAXIMUM LENGTH		MAIN BAR (mm)	STIRRUP STEEL	MAXIMUM AXIAL LOAD (SHORT BAR φ=1)	CONSTRUCTION LOAD ALLOWANCE
			BY DESIGN	MANUFACTURABLE
	30						71	56
	35		8				77	62
200x200	40	Plate-Box	8.5	8.5	4D14	R6	87	70
			8.5		4D16		106	85
	30		9		4D18		112	90
			9		4D16		115	92
250x250	35	Plate-Box	9.5	10	4D18	R6	121	97
			9.5		4D16		131	105
	40		10		4D18		137	110
					4D18		148	119
	30		10		4D20		155	124
			10.5		4D18		162	130
300x300	35	Plate-Box	11	12	4D20	R6	169	135
			11.5		4D18		185	148
	40		12		4D20		192	154
			10.5		4D20		198	159
			11		4D22		206	165
	30		11.5		8D20		234	187
			11		4D20		217	174
	35		11.5		4D22		225	180
350x350		Box-Chair	12	14	8D20	R6	253	202
					4D20		248	198
	40		12		4D22		256	205
			12.5		8D20		284	227
					4D22		255	204
			12		4D25		268	214
	30		12.5		8D22		299	239
			12		4D22		280	224
	35		12.5		4D25		293	234
400x400		Box-Chair	13	15	8D22	R6	323	258
					4D22		320	256
			13		4D25		333	266
	40		13.5		8D22		364	291
					12D22		399	319
	30		13.5		12D25		436	349
			13.5		12D22		430	344
450x450	35	Box-Chair	14	18	12D25	R8	467	374
			14.5		12D22		481	385
	40		15		12D25		519	415
					12D22		461	369
	30		14		12D25		499	400
			14		12D22		500	400
500x500	35	Box-Chair	14.5	18	12D25	R8	538	430
			15		12D22		563	451
	40	Box-Chair	15.5		12D25		601	481

PRESTRESSED CONCRETE PILE

DIMENSION (mm x mm)	CONCRETE STRENGTH (Mpa)	PILE HEAD DETAILS	MAXIMUM LENGTH		PRESTRESSED STEEL (mm)	STIRRUP STEEL	CRACK - BENDING MOMENT (t.m)	MAXIMUM AXIAL LOAD (SHORT BAR φ=1) (ton)	APPROPRIATE CONSTRUCTION LOAD (tấn)
			BY DESIGN (m)	MANUFACTURABLE (m)
200x200	50	Plate-box	10.0	11	4Φ 5.0	R6	≥ 0.71	87	70
	50		11.0		4Φ 7.1		≥ 0.87	84	67
	60		10.0		4Φ 5.0		≥ 0.75	105	84
	60		11.0		4Φ 7.1		≥ 0.91	101	81
250x250	50	Plate-box	12.0	13.5	4Φ 7.1	R6	≥ 1.43	136	108
	50		13.0		4Φ 9.0		≥ 1.71	130	104
	60		12.0		4Φ 7.1		≥ 1.51	163	130
	60		13.5		4Φ 9.0		≥ 1.79	158	126
300x300	50	Plate-box	14.0	17	4Φ 9.0	R6	≥ 2.56	194	155
			14.5		8Φ 7.1		≥ 2.78	190	152
			15.0		4Φ 10.7		≥ 2.92	188	150
			16.5		4Φ 12.7		≥ 3.52	179	143
	60		14.5		4Φ 9.0		≥ 2.70	233	186
			15.0		8Φ 7.1		≥ 2.93	230	184
			15.5		4Φ 10.7		≥ 3.07	228	182
			17.0		4Φ 12.7		≥ 3.67	218	175
350x350	50	Box-chair	14.5	17	4Φ 9.0	R6	≥ 3.67	269	215
			15.0		8Φ 7.1		≥ 3.94	265	212
			15.5		4Φ 10.7		≥ 4.11	263	210
			16.5		4Φ 12.7		≥ 4.84	254	203
	60		15.0		4Φ 9.0		≥ 3.90	323	258
			15.5		8Φ 7.1		≥ 4.17	319	255
			16.0		4Φ 10.7		≥ 4.34	317	254
			17.0		4Φ 12.7		≥ 5.07	308	246
400x400	50	Box-chair	16.0	19	4Φ 10.7	R6	≥ 5.60	350	280
			16.5		8Φ 9.0		≥ 6.33	341	273
			17.0		4Φ 12.7		≥ 6.44	340	272
			18.0		4Φ 15.24		≥ 7.49	328	262
	60		16.5		4Φ 10.7		≥ 5.95	420	336
			17.0		8Φ 9.0		≥ 6.67	412	329
			17.5		4Φ 12.7		≥ 6.79	411	329
			19.0		4Φ 15.24		≥ 7.84	398	319
450x450	50	Box-chair	17.5	19	4Φ 12.7	R8	≥ 8.41	438	351
	50		18.5		4Φ 15.24		≥ 9.61	426	341
	60		18.0		4Φ 12.7		≥ 8.90	528	422
	60		19.0		4Φ 15.24		≥ 10.11	515	412

Note:
Bearing capacity of piles may be manufactured than the indicated.figures in the table according to specific customer requirements

Concrete grade is calculated on cubic sample 15x15x15 (cm)

Design standards: TCVN 5574:2012 "Concrete / reinforced concrete structure – Design", 22TCN 272-05 "Bridge design", ACI 318 "Building code requirements for structural concrete".
Acceptance standards: TCVN 9115:2012 "Assembled concrete / reinforced concrete structure – Construction and acceptance", TCVN 4453-1995 “Monolithic concrete / reinforced concrete structures – Construction and acceptance", TCVN 9114:2012 "
Prestressed concrete product – Technical specifications and acceptance", TCVN 9394:2012 "Pile driving / pressing - Construction and acceptance", PCI MNL135-00 "Tolerance manual for precast and prestressed concete construction".

Prestressing steel: ASTM A416, JIS G3137, JIS G3536.
Reinforcing steel: TCVN 1651:2008 or equivalent.
Coarse aggregate: ASTM C33 or equivalent.
Fine aggregate (Natural sand, manufactured sand, or combination): ASTM C33 or equivalent.
Cement (Blended portland cement of PCB 40 or higher): TCVN 6260-2009 or equivalent.
Water: TCXDVN 4506:2012 “Water for mixing concrete and mortar - Technical specification”.
Admixture (Recognized by State Control Agencies, having suffcient technical certificates): ASTM C494.

Reinforced concrete piles:
Design: 35Mpa or 40Mpa or higher (cubic sample 15x15x15cm).
Prestressed concrete piles:
Design: 50Mpa or 60Mpa or higher (cubic sample 15x15x15cm).
At transfer of prestress: minimum 25Mpa(cubic sample 15x15x15cm).

At two lifting - hook points, the tolerance of supporting point versus lifting - hook position is not more than 25cm.

At two lifting - hook points, the tolerance of supporting point versus lifting - hook position is not more than 25cm.

BT6	Company name in abbreviated
0.35	Pile dimension
15.0M-N1	Pile length - Type of pile segment
TCT	Name of project
750	Pile number
X1	Casting workshop
08.03.12	Date of manufacture

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