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<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2021-05-21T00:19:12.5266924+00:00 -->
<!-- Version            : 5.0.1.617 -->
<!-- Package ID         : 2d4518056561437fa4f7c2717ed32ff5 -->
<!-- Copyright (c) 2021 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="exp_AggregatesProcessingPlants" name="AggregatesProcessingPlants" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_SegmentReportingInformationProportionateConsolidationOfJointVenturesRevenuesAndOperatingEarnings" name="SegmentReportingInformationProportionateConsolidationOfJointVenturesRevenuesAndOperatingEarnings" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_SalesRevenueFromJointVenture" name="SalesRevenueFromJointVenture" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_CementMember" name="CementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_ConcreteAndAggregatesMember" name="ConcreteAndAggregatesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_WhollyOwnedOperationsMember" name="WhollyOwnedOperationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_SalesVolume" name="SalesVolume" type="num:massItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_EarningsBeforeInterestAndTaxes" name="EarningsBeforeInterestAndTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_DisposalGroupIncludingDiscontinuedOperationAssets" name="DisposalGroupIncludingDiscontinuedOperationAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="exp_DeferredTaxLiabilitiesStateIncomeTaxes" name="DeferredTaxLiabilitiesStateIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_DeferredTaxLiabilitiesDepletableAssets" name="DeferredTaxLiabilitiesDepletableAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_DeferredTaxLiabilitiesRightOfUseAsset" name="DeferredTaxLiabilitiesRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_DeferredTaxAssetsDepletableAssets" name="DeferredTaxAssetsDepletableAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="exp_DeferredTaxAssetsLeaseLiability" name="DeferredTaxAssetsLeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="exp_TaxCreditCarryforwardTerm" name="TaxCreditCarryforwardTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_IncomeTaxLineItems" name="IncomeTaxLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_IncomeTaxTable" name="IncomeTaxTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_UnrecognizedTaxBenefitsPayments" name="UnrecognizedTaxBenefitsPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="exp_IncomeTaxBenefitCarrybackUnderCARESActOf2020Aid" name="IncomeTaxBenefitCarrybackUnderCARESActOf2020Aid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_NetOperatingLossesCarrybackTermDueToCARESActOf2020Aid" name="NetOperatingLossesCarrybackTermDueToCARESActOf2020Aid" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_ContingentLiabilityForPerformanceBondsRequiredByStatesMunicipalitiesAndRelatedAgencies" name="ContingentLiabilityForPerformanceBondsRequiredByStatesMunicipalitiesAndRelatedAgencies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_PercentageOfExpectedNaturalGasUsage" name="PercentageOfExpectedNaturalGasUsage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_EmployeeStockAwardsMember" name="EmployeeStockAwardsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_LongTermCompensationPlanMember" name="LongTermCompensationPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_PerformanceVestingStockOptionsMember" name="PerformanceVestingStockOptionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_TimeVestingStockOptionsMember" name="TimeVestingStockOptionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_PerformanceVestingRestrictedStockMember" name="PerformanceVestingRestrictedStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_TimeVestingRestrictedStockMember" name="TimeVestingRestrictedStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_RestrictedStockAndRestrictedStockUnitMember" name="RestrictedStockAndRestrictedStockUnitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_PercentageOfAverageReturnOnInvestedCapitalOnShareBasedCompensationArrangement" name="PercentageOfAverageReturnOnInvestedCapitalOnShareBasedCompensationArrangement" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_ReducedPercentageOfSharesEarnedInStockOptionPlan" name="ReducedPercentageOfSharesEarnedInStockOptionPlan" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_SharesEarned" name="SharesEarned" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_RangeOneMember" name="RangeOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_RangeTwoMember" name="RangeTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_RangeThreeMember" name="RangeThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_ReducedPercentageOfRestrictedShares" name="ReducedPercentageOfRestrictedShares" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingDate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_DefinedBenefitPlanSaleOfBusiness" name="DefinedBenefitPlanSaleOfBusiness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_DefinedBenefitPlanPlanAssetsSaleOfBusiness" name="DefinedBenefitPlanPlanAssetsSaleOfBusiness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="exp_DefinedBenefitPlanOtherAssets" name="DefinedBenefitPlanOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="exp_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossTaxImpact" name="DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossTaxImpact" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="exp_OtherSecuritiesMember" name="OtherSecuritiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_DefinedBenefitPlanEmployeeVestingRequirementNew" name="DefinedBenefitPlanEmployeeVestingRequirementNew" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_MultiemployerPensionPlansNumberOfEmployeesCovered" name="MultiemployerPensionPlansNumberOfEmployeesCovered" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_MultiEmployerPensionPlansNumberOfPlans" name="MultiEmployerPensionPlansNumberOfPlans" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="exp_LightMaterialsSectorMember" name="LightMaterialsSectorMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_BusinessDevelopmentAndSeparationCostsMember" name="BusinessDevelopmentAndSeparationCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_OutageAndPurchaseAccountingCostsMember" name="OutageAndPurchaseAccountingCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_PlantExpansionCostsMember" name="PlantExpansionCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="exp_CaresActMember" name="CaresActMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
