Appendix B – Laboratory Test Results Template

benesch

Appendix B · Laboratory TestingSummary of Laboratory Test Results

Lab report no.LR-001

ProjectExample Siding Extension — Embankment Widening	Benesch project no.000000.00	Client railroad[Railroad]	Report date__/__/____
Laboratory[Laboratory name]	Accreditation[e.g., AASHTO re:source; USACE]	Tested by[Name]	Reviewed by[Name], P.E.

Test results EXAMPLE ENTRIES

Table B-1. Index properties and classificationUSCS per ASTM D2487; NP = non-plastic
Boring	Sample	Depth (ft)	USCS	Gradation (D6913 / D1140)			Atterberg limits (D4318)			w (%)	γ_d (pcf)	G_s	Tests / remarks
Boring	Sample	Depth (ft)	USCS	Gravel %	Sand %	Fines %	LL	PL	PI	w (%)	γ_d (pcf)	G_s	Tests / remarks
B-1	SS-1	2.5–4.0	SM	2	71	27	NP	NP	NP	12.4	—	—	D2216, D6913
B-1	SS-3	7.5–9.0	CL	0	18	82	42	20	22	24.1	—	—	D2216, D4318, D1140
B-1	ST-1	10.0–12.0	CH	0	8	92	68	28	40	38.5	78.2	—	D2216, D4318, D7263
B-3	ST-1	18.0–20.0	CH	0	6	94	71	29	42	42.1	76.5	2.72	D854, D2435

Table B-2. Strength and compressibilityReport specimen quality (Δe/e₀) for each undisturbed specimen
Boring	Sample	Depth (ft)	Test (ASTM)	Undrained		Effective stress		Consolidation (D2435)					Remarks
Boring	Sample	Depth (ft)	Test (ASTM)	s_u (tsf)	ε_f (%)	c′ (psf)	φ′ (°)	C_c	C_r	σ′_p (tsf)	c_v (ft²/day)	C_α	Remarks
B-1	ST-1	10.0–12.0	D2850 (UU)	0.24	—	—	—	—	—	—	—	—	σ₃ = 0.5 tsf
B-3	ST-1	18.0–20.0	D2435	—	—	—	—	0.59	0.14	1.50	0.15	—	Casagrande σ′_p
B-6	ST-1	12.0–14.0	D4767 (CU)	—	—	200	31	—	—	—	—	—	3-point, with pore pressure

Table B-3. Compaction, CBR and resilient modulusRC = relative compaction
Source / location	Material	Test (ASTM)	Moisture–density			Bearing / stiffness			Remarks
Source / location	Material	Test (ASTM)	γ_d,max (pcf)	w_opt (%)	Effort	Soaked CBR (%)	Swell (%)	M_r (psi)	Remarks
Borrow-1	CL fill	D1557	118.2	14.0	Modified	24.3	—	—	CBR at 95% RC, 96-hr soak (D1883)
Borrow-2	SM fill	D1557	126.5	10.5	Modified	51.8	—	—	CBR at 95% RC, 96-hr soak (D1883)
TP-3 subgrade	CL natural	D1557	116.8	15.2	Modified	12.6	—	4,200	M_r at 95% RC (AASHTO T 307)

Notes

“—” = test not performed. Blank rows are provided for additional samples.
Test methods: moisture D2216; gradation D6913 / D1140; Atterberg limits D4318; specific gravity D854; unit weight D7263; UU triaxial D2850; CU triaxial D4767; consolidation D2435; compaction D698 / D1557; CBR D1883; resilient modulus AASHTO T 307.
Report the ASTM edition used and any deviations from the standard. Individual test data sheets and curves are attached behind this summary.
Results apply only to the samples tested.

Tested by / date

Laboratory manager / date

Reviewed by (P.E.) / date

QC duplicate check (10%)

Appendix B — Laboratory Test Results Table TemplateAlfred Benesch & Company · Geotechnical EngineeringSheet ___ of ___